10-K Filing

SLM Corp CIK: 1032033 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0001628280-18-002138`
Period End Date	20171231
Filing Date	20180223
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	slm-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 70 Income Statement 173 Cash Flow Statement 167 Stockholders Equity 19 Comprehensive Income 21

Balance Sheet 70 line items

Line Item	Tag	Value	Unit	Period
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$247.61M	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$211.41M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.42B	USD	Point-in-time
Loans held for investment	`LoansandLeasesReceivableAllowanceGross`	$251.47M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.36B	USD	Point-in-time
Loans held for investment	`LoansandLeasesReceivableAllowanceGross`	$184.70M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.53B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.92B	USD	Point-in-time
Preferred stock, stated value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Available-for-sale investments at fair value (cost of $247,607 and $211,406, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$244.09M	USD	Point-in-time
Preferred stock, stated value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Available-for-sale investments at fair value (cost of $247,607 and $211,406, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$208.60M	USD	Point-in-time
Loans held for investment (net of allowance for losses of $251,475 and $184,701, respectively)	`LoansAndLeasesReceivableNetReportedAmount`	$18.57B	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Loans held for investment (net of allowance for losses of $251,475 and $184,701, respectively)	`LoansAndLeasesReceivableNetReportedAmount`	$15.14B	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Restricted cash and investments	`RestrictedCashAndInvestments`	$53.72M	USD	Point-in-time
Restricted cash and investments	`RestrictedCashAndInvestments`	$101.84M	USD	Point-in-time
Other interest-earning assets	`OtherInterestEarningAssets`	$49.11M	USD	Point-in-time
Other interest-earning assets	`OtherInterestEarningAssets`	$21.59M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.12B	shares	Point-in-time
Accrued interest receivable	`InterestReceivable`	$766.11M	USD	Point-in-time
Accrued interest receivable	`InterestReceivable`	$967.48M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.12B	shares	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$87.06M	USD	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$89.75M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	436.60M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	443.50M	shares	Point-in-time
Accumulated other comprehensive loss tax benefit	`TaxEffectForAccumulatedOtherComprehensiveIncome`	$1.70M	USD	Point-in-time
Tax indemnification receivable	`IncomeTaxReceivable`	$168.01M	USD	Point-in-time
Tax indemnification receivable	`IncomeTaxReceivable`	$259.53M	USD	Point-in-time
Accumulated other comprehensive loss tax benefit	`TaxEffectForAccumulatedOtherComprehensiveIncome`	$-5.36M	USD	Point-in-time
Common stock held in treasury	`TreasuryStockShares`	11.10M	shares	Point-in-time
Other assets	`OtherAssets`	$84.85M	USD	Point-in-time
Other assets	`OtherAssets`	$52.15M	USD	Point-in-time
Common stock held in treasury	`TreasuryStockShares`	7.70M	shares	Point-in-time
Total assets	`Assets`	$21.78B	USD	Point-in-time
Total assets	`Assets`	$18.53B	USD	Point-in-time
Deposits	`Deposits`	$15.51B	USD	Point-in-time
Deposits	`Deposits`	$13.44B	USD	Point-in-time
Long-term borrowings	`LongTermDebt`	$3.28B	USD	Point-in-time
Long-term borrowings	`LongTermDebt`	$2.17B	USD	Point-in-time
Income taxes payable, net	`TaxesPayableCurrentAndNoncurrent`	$102.28M	USD	Point-in-time
Income taxes payable, net	`TaxesPayableCurrentAndNoncurrent`	$184.32M	USD	Point-in-time
Upromise member accounts	`Upromiserelatedliability`	$256.04M	USD	Point-in-time
Upromise member accounts	`Upromiserelatedliability`	$243.08M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$141.93M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$179.31M	USD	Point-in-time
Total liabilities	`Liabilities`	$19.31B	USD	Point-in-time
Total liabilities	`Liabilities`	$16.19B	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 443.5 million and 436.6 million shares issued, respectively	`CommonStockValue`	$88.69M	USD	Point-in-time
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 443.5 million and 436.6 million shares issued, respectively	`CommonStockValue`	$87.33M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.18B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.22B	USD	Point-in-time
Accumulated other comprehensive income (loss) (net of tax expense (benefit) of $1,696 and ($5,364), respectively)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$2.75M	USD	Point-in-time
Accumulated other comprehensive income (loss) (net of tax expense (benefit) of $1,696 and ($5,364), respectively)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-8.67M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$868.18M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$595.32M	USD	Point-in-time
Total SLM Corporation stockholders equity before treasury stock	`StockholdersEquityAttributabletoParentExcludingTreasuryStock`	$2.41B	USD	Point-in-time
Total SLM Corporation stockholders equity before treasury stock	`StockholdersEquityAttributabletoParentExcludingTreasuryStock`	$2.58B	USD	Point-in-time
Less: Common stock held in treasury at cost: 11.1 million and 7.7 million shares, respectively	`TreasuryStockValue`	$107.64M	USD	Point-in-time
Less: Common stock held in treasury at cost: 11.1 million and 7.7 million shares, respectively	`TreasuryStockValue`	$67.48M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.47B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.35B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$18.53B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$21.78B	USD	Point-in-time

Income Statement 173 line items

Line Item	Tag	Value	Unit	Period
Loans	`InterestAndFeeIncomeLoansAndLeases`	$1.06B	USD	Annual
Loans	`InterestAndFeeIncomeLoansAndLeases`	$1.41B	USD	Annual
Loans	`InterestAndFeeIncomeLoansAndLeases`	$817.12M	USD	Annual
Investments	`InterestAndDividendIncomeSecuritiesAvailableForSale`	$10.25M	USD	Annual
Investments	`InterestAndDividendIncomeSecuritiesAvailableForSale`	$8.29M	USD	Annual
Investments	`InterestAndDividendIncomeSecuritiesAvailableForSale`	$9.16M	USD	Annual
Cash and cash equivalents	`CashAndInvestmentsInterestIncomeLoss`	$3.75M	USD	Annual
Cash and cash equivalents	`CashAndInvestmentsInterestIncomeLoss`	$15.51M	USD	Annual
Cash and cash equivalents	`CashAndInvestmentsInterestIncomeLoss`	$7.60M	USD	Annual
Total interest income	`InterestAndDividendIncomeOperating`	$1.08B	USD	Annual
Total interest income	`InterestAndDividendIncomeOperating`	$831.12M	USD	Annual
Total interest income	`InterestAndDividendIncomeOperating`	$1.44B	USD	Annual
Deposits	`InterestExpenseDeposits`	$148.41M	USD	Annual
Deposits	`InterestExpenseDeposits`	$116.39M	USD	Annual
Deposits	`InterestExpenseDeposits`	$223.69M	USD	Annual
Interest expense on short-term borrowings	`InterestExpenseShortTermBorrowings`	$6.49M	USD	Annual
Interest expense on short-term borrowings	`InterestExpenseShortTermBorrowings`	$7.32M	USD	Annual
Interest expense on short-term borrowings	`InterestExpenseShortTermBorrowings`	$6.34M	USD	Annual
Interest expense on long-term borrowings	`InterestExpenseLongTermDebt`	$5.74M	USD	Annual
Interest expense on long-term borrowings	`InterestExpenseLongTermDebt`	$78.05M	USD	Annual
Interest expense on long-term borrowings	`InterestExpenseLongTermDebt`	$30.18M	USD	Annual
Total interest expense	`InterestExpense`	$128.62M	USD	Annual
Total interest expense	`InterestExpense`	$308.08M	USD	Annual
Total interest expense	`InterestExpense`	$185.91M	USD	Annual
Net interest income	`InterestIncomeExpenseNet`	$309.19M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$702.50M	USD	Annual
Net interest income	`InterestIncomeExpenseNet`	$891.34M	USD	Annual
Net interest income	`InterestIncomeExpenseNet`	$245.43M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$223.28M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$269.89M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$209.86M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$268.08M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$282.06M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$212.77M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$1.13B	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$25.30M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$43.23M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$185.76M	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$159.41M	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$32.60M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$55.32M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$50.22M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$54.93M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$41.78M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$90.06M	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$41.79M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$170.97M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$181.49M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$731.93M	USD	Annual
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$253.87M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$612.44M	USD	Annual
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$227.13M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$242.78M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$943.46M	USD	Annual
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$177.26M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$202.21M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$219.68M	USD	1 Quarter
Gains on sales of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$135.36M	USD	Annual
Gains on sales of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	-	USD	Annual
Gains on sales of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$230.00K	USD	Annual
(Losses) gains on derivatives and hedging activities, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-8.27M	USD	Annual
(Losses) gains on derivatives and hedging activities, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-958.00K	USD	Annual
(Losses) gains on derivatives and hedging activities, net	`GainLossOnDerivativeInstrumentsNetPretax`	$5.30M	USD	Annual
Other income	`NoninterestIncomeOtherOperatingIncome`	$41.94M	USD	Annual
Other income	`NoninterestIncomeOtherOperatingIncome`	$5.36M	USD	Annual
Other income	`NoninterestIncomeOtherOperatingIncome`	$13.23M	USD	1 Quarter
Other income	`NoninterestIncomeOtherOperatingIncome`	$-21.07M	USD	1 Quarter
Other income	`NoninterestIncomeOtherOperatingIncome`	$11.35M	USD	1 Quarter
Other income	`NoninterestIncomeOtherOperatingIncome`	$10.63M	USD	1 Quarter
Other income	`NoninterestIncomeOtherOperatingIncome`	$21.60M	USD	1 Quarter
Other income	`NoninterestIncomeOtherOperatingIncome`	$4.46M	USD	1 Quarter
Other income	`NoninterestIncomeOtherOperatingIncome`	$69.54M	USD	Annual
Other income	`NoninterestIncomeOtherOperatingIncome`	$21.03M	USD	1 Quarter
Other income	`NoninterestIncomeOtherOperatingIncome`	$13.68M	USD	1 Quarter
Total non-interest income (loss)	`NoninterestIncome`	$182.59M	USD	Annual
Total non-interest income (loss)	`NoninterestIncome`	$68.82M	USD	Annual
Total non-interest income (loss)	`NoninterestIncome`	$-2.90M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$213.32M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$158.97M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$184.00M	USD	Annual
FDIC assessment fees	`FederalDepositInsuranceCorporationPremiumExpense`	$19.21M	USD	Annual
FDIC assessment fees	`FederalDepositInsuranceCorporationPremiumExpense`	$14.35M	USD	Annual
FDIC assessment fees	`FederalDepositInsuranceCorporationPremiumExpense`	$28.95M	USD	Annual
Other operating expenses	`OtherNoninterestExpense`	$182.20M	USD	Annual
Other operating expenses	`OtherNoninterestExpense`	$175.77M	USD	Annual
Other operating expenses	`OtherNoninterestExpense`	$206.35M	USD	Annual
Total operating expenses	`OperatingExpenses`	$98.04M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$118.55M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$385.41M	USD	Annual
Total operating expenses	`OperatingExpenses`	$349.10M	USD	Annual
Total operating expenses	`OperatingExpenses`	$99.71M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$116.14M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$111.25M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$102.68M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$94.78M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$92.89M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$448.62M	USD	Annual
Acquired intangible asset amortization expense	`AcquiredIntangibleAssetsAmortizationExpense`	$469.00K	USD	Annual
Acquired intangible asset amortization expense	`AcquiredIntangibleAssetsAmortizationExpense`	$1.48M	USD	Annual
Acquired intangible asset amortization expense	`AcquiredIntangibleAssetsAmortizationExpense`	$906.00K	USD	Annual
Restructuring and other reorganization expenses	`RestructuringCharges`	-	USD	Annual
Restructuring and other reorganization expenses	`RestructuringCharges`	-	USD	Annual
Restructuring and other reorganization expenses	`RestructuringCharges`	$5.40M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$449.09M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$386.31M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$355.97M	USD	Annual
Income before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$439.06M	USD	Annual
Income before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$491.46M	USD	Annual
Income before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$414.44M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$66.19M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$51.01M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$44.71M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$34.55M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$164.78M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$43.12M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$40.62M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$202.53M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$47.56M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$38.88M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$164.11M	USD	Annual
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$274.28M	USD	Annual
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.14M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.03M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$5.14M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$5.58M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$5.24M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$21.20M	USD	Annual
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$19.59M	USD	Annual
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.97M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$5.32M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$15.71M	USD	Annual
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$5.51M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$89.37M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$51.65M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$73.34M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$66.64M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$229.12M	USD	Annual
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$64.74M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$60.78M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$43.87M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$273.22M	USD	Annual
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$51.96M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$254.69M	USD	Annual
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.15	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.17	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.63	USD	Annual
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.12	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.15	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.21	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.54	USD	Annual
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.10	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.60	USD	Annual
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.14	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareBasic`	$0.12	USD	1 Quarter
Average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	427.88M	shares	Annual
Average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	425.57M	shares	Annual
Average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	431.22M	shares	Annual
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.59	USD	Annual
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.53	USD	Annual
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.17	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.10	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.62	USD	Annual
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.12	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.15	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.20	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.15	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.12	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	`EarningsPerShareDiluted`	$0.14	USD	1 Quarter
Average common and common equivalent shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	438.55M	shares	Annual
Average common and common equivalent shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	432.92M	shares	Annual
Average common and common equivalent shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	432.23M	shares	Annual

Cash Flow Statement 167 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$274.28M	USD	Annual
Provisions for credit losses	`ProvisionForDoubtfulAccounts`	$90.06M	USD	Annual
Provisions for credit losses	`ProvisionForDoubtfulAccounts`	$159.41M	USD	Annual
Provisions for credit losses	`ProvisionForDoubtfulAccounts`	$185.76M	USD	Annual
Deferred tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-58.75M	USD	Annual
Deferred tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-77.23M	USD	Annual
Deferred tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-88.73M	USD	Annual
Amortization of brokered deposit placement fee	`AmortizationofBrokeredDepositPlacement`	$10.13M	USD	Annual
Amortization of brokered deposit placement fee	`AmortizationofBrokeredDepositPlacement`	$10.51M	USD	Annual
Amortization of brokered deposit placement fee	`AmortizationofBrokeredDepositPlacement`	$9.37M	USD	Annual
Amortization of ABCP Facility upfront fee	`AmortizationofABCPUpfrontFee`	$1.23M	USD	Annual
Amortization of ABCP Facility upfront fee	`AmortizationofABCPUpfrontFee`	$2.34M	USD	Annual
Amortization of ABCP Facility upfront fee	`AmortizationofABCPUpfrontFee`	$1.32M	USD	Annual
Amortization of deferred loan origination costs and fees, net	`AmortizationOfDeferredLoanOriginationFeesNet`	$-3.75M	USD	Annual
Amortization of deferred loan origination costs and fees, net	`AmortizationOfDeferredLoanOriginationFeesNet`	$-8.26M	USD	Annual
Amortization of deferred loan origination costs and fees, net	`AmortizationOfDeferredLoanOriginationFeesNet`	$-5.81M	USD	Annual
Net amortization of discount on investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-2.04M	USD	Annual
Net amortization of discount on investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-1.72M	USD	Annual
Net amortization of discount on investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-2.08M	USD	Annual
Loss (income) on tax indemnification receivable	`InterestIncomeonTaxIndemnificationReceivable`	$5.40M	USD	Annual
Loss (income) on tax indemnification receivable	`InterestIncomeonTaxIndemnificationReceivable`	$12.28M	USD	Annual
Loss (income) on tax indemnification receivable	`InterestIncomeonTaxIndemnificationReceivable`	$-31.89M	USD	Annual
Depreciation of premises and equipment	`Depreciation`	$11.17M	USD	Annual
Depreciation of premises and equipment	`Depreciation`	$7.44M	USD	Annual
Depreciation of premises and equipment	`Depreciation`	$9.59M	USD	Annual
Amortization of acquired intangibles	`AmortizationOfIntangibleAssets`	$469.00K	USD	Annual
Amortization of acquired intangibles	`AmortizationOfIntangibleAssets`	$1.48M	USD	Annual
Amortization of acquired intangibles	`AmortizationOfIntangibleAssets`	$906.00K	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$21.60M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$22.94M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$27.90M	USD	Annual
Unrealized losses (gains) on derivative and hedging activities, net	`UnrealizedGainLossOnDerivatives`	$-7.25M	USD	Annual
Unrealized losses (gains) on derivative and hedging activities, net	`UnrealizedGainLossOnDerivatives`	$2.50M	USD	Annual
Unrealized losses (gains) on derivative and hedging activities, net	`UnrealizedGainLossOnDerivatives`	$-2.26M	USD	Annual
Gains on sale of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$135.36M	USD	Annual
Gains on sale of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	-	USD	Annual
Gains on sale of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$230.00K	USD	Annual
Other adjustments to net income, net	`OtherNoncashIncomeExpense`	$306.00K	USD	Annual
Other adjustments to net income, net	`OtherNoncashIncomeExpense`	$-5.84M	USD	Annual
Other adjustments to net income, net	`OtherNoncashIncomeExpense`	$-3.52M	USD	Annual
Net decrease in loans held for sale	`NetIncreaseDecreaseinLoansHeldforSale`	-	USD	Annual
Net decrease in loans held for sale	`NetIncreaseDecreaseinLoansHeldforSale`	-	USD	Annual
Net decrease in loans held for sale	`NetIncreaseDecreaseinLoansHeldforSale`	$55.00K	USD	Annual
Origination of loans held for sale	`Originationofloansheldforsale`	$55.00K	USD	Annual
Origination of loans held for sale	`Originationofloansheldforsale`	-	USD	Annual
Origination of loans held for sale	`Originationofloansheldforsale`	-	USD	Annual
Increase in accrued interest receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$377.65M	USD	Annual
Increase in accrued interest receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$703.08M	USD	Annual
Increase in accrued interest receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$582.36M	USD	Annual
Decrease (increase) in restricted cash and investments, net	`IncreaseDecreaseInRestrictedCashForOperatingActivities`	$3.56M	USD	Annual
Decrease (increase) in restricted cash and investments, net	`IncreaseDecreaseInRestrictedCashForOperatingActivities`	$737.00K	USD	Annual
Decrease (increase) in restricted cash and investments, net	`IncreaseDecreaseInRestrictedCashForOperatingActivities`	$-4.25M	USD	Annual
Decrease in other interest-earning assets	`PaymentsForProceedsFromOtherInterestEarningAssets`	$-5.73M	USD	Annual
Decrease in other interest-earning assets	`PaymentsForProceedsFromOtherInterestEarningAssets`	$-17.63M	USD	Annual
Decrease in other interest-earning assets	`PaymentsForProceedsFromOtherInterestEarningAssets`	$-27.53M	USD	Annual
Decrease in tax indemnification receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-59.63M	USD	Annual
Decrease in tax indemnification receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-59.63M	USD	Annual
Decrease in tax indemnification receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-59.63M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$47.16M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$72.92M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$18.07M	USD	Annual
(Decrease) increase in income tax payable, net	`IncreaseDecreaseinincometaxpayabletorelatedparty`	$62.95M	USD	Annual
(Decrease) increase in income tax payable, net	`IncreaseDecreaseinincometaxpayabletorelatedparty`	$-20.65M	USD	Annual
(Decrease) increase in income tax payable, net	`IncreaseDecreaseinincometaxpayabletorelatedparty`	$-19.69M	USD	Annual
Increase in accrued interest payable	`IncreaseDecreaseInInterestPayableNet`	$14.30M	USD	Annual
Increase in accrued interest payable	`IncreaseDecreaseInInterestPayableNet`	$3.74M	USD	Annual
Increase in accrued interest payable	`IncreaseDecreaseInInterestPayableNet`	$303.00K	USD	Annual
(Decrease) increase in payable due to entity that is a subsidiary of Navient	`IncreaseDecreaseInDueToRelatedParties`	$553.00K	USD	Annual
(Decrease) increase in payable due to entity that is a subsidiary of Navient	`IncreaseDecreaseInDueToRelatedParties`	$-6.77M	USD	Annual
(Decrease) increase in payable due to entity that is a subsidiary of Navient	`IncreaseDecreaseInDueToRelatedParties`	$-593.00K	USD	Annual
Increase (decrease) in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-14.73M	USD	Annual
Increase (decrease) in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$14.56M	USD	Annual
Increase (decrease) in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$2.17M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$-452.91M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$-455.85M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$-359.35M	USD	Annual
Total net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-202.58M	USD	Annual
Total net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-166.91M	USD	Annual
Total net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-85.06M	USD	Annual
Loans acquired and originated	`StudentLoansacquiredandoriginated`	$5.24B	USD	Annual
Loans acquired and originated	`StudentLoansacquiredandoriginated`	$4.70B	USD	Annual
Loans acquired and originated	`StudentLoansacquiredandoriginated`	$4.37B	USD	Annual
Net proceeds from sales of loans held for investment	`Netproceedsfromsalesofstudentloansheldforinvestment`	$9.52M	USD	Annual
Net proceeds from sales of loans held for investment	`Netproceedsfromsalesofstudentloansheldforinvestment`	$1.55B	USD	Annual
Net proceeds from sales of loans held for investment	`Netproceedsfromsalesofstudentloansheldforinvestment`	$6.99M	USD	Annual
Proceeds from claim payments	`ProceedsfromClaimpayments`	$111.58M	USD	Annual
Proceeds from claim payments	`ProceedsfromClaimpayments`	$64.87M	USD	Annual
Proceeds from claim payments	`ProceedsfromClaimpayments`	$49.15M	USD	Annual
Net decrease in loans held for investment	`Netincreasedecreaseinloansheldforinvestment`	$-1.33B	USD	Annual
Net decrease in loans held for investment	`Netincreasedecreaseinloansheldforinvestment`	$-2.07B	USD	Annual
Net decrease in loans held for investment	`Netincreasedecreaseinloansheldforinvestment`	$-913.00M	USD	Annual
Increase in restricted cash and investment - variable interest entities	`IncreaseinRestrictedCashandInvestmentsinVariableInterestEntities`	$52.37M	USD	Annual
Increase in restricted cash and investment - variable interest entities	`IncreaseinRestrictedCashandInvestmentsinVariableInterestEntities`	$22.44M	USD	Annual
Increase in restricted cash and investment - variable interest entities	`IncreaseinRestrictedCashandInvestmentsinVariableInterestEntities`	$22.18M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecurities`	$55.77M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecurities`	$78.33M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecurities`	$64.11M	USD	Annual
Proceeds from sales and maturities of available-for-sale securities	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$33.73M	USD	Annual
Proceeds from sales and maturities of available-for-sale securities	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$38.72M	USD	Annual
Proceeds from sales and maturities of available-for-sale securities	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$40.04M	USD	Annual
Total net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.85B	USD	Annual
Total net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.33B	USD	Annual
Total net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.21B	USD	Annual
Brokered deposit placement fee	`Cashpaidforbrokereddepositplacementfee`	$12.20M	USD	Annual
Brokered deposit placement fee	`Cashpaidforbrokereddepositplacementfee`	$4.10M	USD	Annual
Brokered deposit placement fee	`Cashpaidforbrokereddepositplacementfee`	$4.37M	USD	Annual
Net increase (decrease) increase in certificates of deposit	`Netincreasedecreaseinbrokeredcertificatesofdeposit`	$-434.74M	USD	Annual
Net increase (decrease) increase in certificates of deposit	`Netincreasedecreaseinbrokeredcertificatesofdeposit`	$611.64M	USD	Annual
Net increase (decrease) increase in certificates of deposit	`Netincreasedecreaseinbrokeredcertificatesofdeposit`	$1.58B	USD	Annual
Net increase in other deposits	`NetincreaseinMMDAdeposits`	$2.41B	USD	Annual
Net increase in other deposits	`NetincreaseinMMDAdeposits`	$324.52M	USD	Annual
Net increase in other deposits	`NetincreaseinMMDAdeposits`	$508.39M	USD	Annual
Issuance costs for collateralized borrowings	`RepaymentsOfSecuredDebt`	$2.09M	USD	Annual
Issuance costs for collateralized borrowings	`RepaymentsOfSecuredDebt`	-	USD	Annual
Issuance costs for collateralized borrowings	`RepaymentsOfSecuredDebt`	-	USD	Annual
Borrowings collateralized by loans in securitization trusts - issued	`BorrowingsCollateralizedByLoansInTrustIssued`	$1.44B	USD	Annual
Borrowings collateralized by loans in securitization trusts - issued	`BorrowingsCollateralizedByLoansInTrustIssued`	$1.78B	USD	Annual
Borrowings collateralized by loans in securitization trusts - issued	`BorrowingsCollateralizedByLoansInTrustIssued`	$620.68M	USD	Annual
Borrowings collateralized by loans in securitization - repaid	`BorrowingsCollateralizedByLoansInTrustRepaid`	$41.98M	USD	Annual
Borrowings collateralized by loans in securitization - repaid	`BorrowingsCollateralizedByLoansInTrustRepaid`	$534.90M	USD	Annual
Borrowings collateralized by loans in securitization - repaid	`BorrowingsCollateralizedByLoansInTrustRepaid`	$187.69M	USD	Annual
Borrowings under ABCP Facility	`ProceedsFromIssuanceOfCommercialPaper`	$376.32M	USD	Annual
Borrowings under ABCP Facility	`ProceedsFromIssuanceOfCommercialPaper`	$300.00M	USD	Annual
Borrowings under ABCP Facility	`ProceedsFromIssuanceOfCommercialPaper`	$1.21B	USD	Annual
Issuance costs for unsecured debt offering	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Issuance costs for unsecured debt offering	`PaymentsOfDebtIssuanceCosts`	$1.06M	USD	Annual
Issuance costs for unsecured debt offering	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Repayment of borrowings under ABCP Facility	`RepaymentsOfCommercialPaper`	$300.00M	USD	Annual
Repayment of borrowings under ABCP Facility	`RepaymentsOfCommercialPaper`	$876.50M	USD	Annual
Repayment of borrowings under ABCP Facility	`RepaymentsOfCommercialPaper`	$710.00M	USD	Annual
Fees paid - ABCP Facility	`NetIncreaseDecreaseinUpfrontLoanFees`	$-1.45M	USD	Annual
Fees paid - ABCP Facility	`NetIncreaseDecreaseinUpfrontLoanFees`	$-2.34M	USD	Annual
Fees paid - ABCP Facility	`NetIncreaseDecreaseinUpfrontLoanFees`	$-1.28M	USD	Annual
Unsecured debt issued	`ProceedsFromIssuanceOfUnsecuredDebt`	-	USD	Annual
Unsecured debt issued	`ProceedsFromIssuanceOfUnsecuredDebt`	-	USD	Annual
Unsecured debt issued	`ProceedsFromIssuanceOfUnsecuredDebt`	$197.00M	USD	Annual
Redemption of Series A Preferred Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Redemption of Series A Preferred Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	$-165.00M	USD	Annual
Redemption of Series A Preferred Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Preferred stock dividends paid	`PaymentsOfDividends`	$19.59M	USD	Annual
Preferred stock dividends paid	`PaymentsOfDividends`	$21.20M	USD	Annual
Preferred stock dividends paid	`PaymentsOfDividends`	$15.71M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.99B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.99B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$3.04B	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-384.45M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-497.43M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$56.44M	USD	Annual
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$2.42B	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$2.36B	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$1.53B	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$1.92B	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$2.42B	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$2.36B	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$1.53B	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$1.92B	USD	Point-in-time
Interest	`InterestPaid`	$111.56M	USD	Annual
Interest	`InterestPaid`	$169.85M	USD	Annual
Interest	`InterestPaid`	$269.02M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$282.28M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$271.72M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$205.70M	USD	Annual
Income taxes refunded	`ProceedsFromIncomeTaxRefunds`	$1.40M	USD	Annual
Income taxes refunded	`ProceedsFromIncomeTaxRefunds`	$25.15M	USD	Annual
Income taxes refunded	`ProceedsFromIncomeTaxRefunds`	$86.00K	USD	Annual

Stockholders Equity 19 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.47B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.35B	USD	Point-in-time
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$274.28M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$11.42M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$7.39M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-4.67M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$300.35M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$257.71M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$269.62M	USD	Annual
Redemption of Series A Preferred Stock (in shares)	`StockRepurchasedDuringPeriodShares`	3.36M	shares	Annual
Redemption of Series A Preferred Stock (in shares)	`StockRepurchasedDuringPeriodShares`	3.35M	shares	Annual
Redemption of Series A Preferred Stock (in shares)	`StockRepurchasedDuringPeriodShares`	3.01M	shares	Annual
Issuance of common shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	5.96M	shares	Annual
Issuance of common shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	6.83M	shares	Annual
Issuance of common shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	5.87M	shares	Annual
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.47B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.35B	USD	Point-in-time

Comprehensive Income 21 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$274.28M	USD	Annual
Unrealized losses on investments	`UnrealizedGainLossOnInvestments`	$-2.21M	USD	Annual
Unrealized losses on investments	`UnrealizedGainLossOnInvestments`	$-1.79M	USD	Annual
Unrealized losses on investments	`UnrealizedGainLossOnInvestments`	$-716.00K	USD	Annual
Unrealized gains (losses) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$-5.22M	USD	Annual
Unrealized gains (losses) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$19.20M	USD	Annual
Unrealized gains (losses) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$13.76M	USD	Annual
Total unrealized gains (losses)	`OtherComprehensiveIncomeLossBeforeTax`	$-7.43M	USD	Annual
Total unrealized gains (losses)	`OtherComprehensiveIncomeLossBeforeTax`	$18.48M	USD	Annual
Total unrealized gains (losses)	`OtherComprehensiveIncomeLossBeforeTax`	$11.97M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$7.06M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$4.58M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$-2.76M	USD	Annual
Other comprehensive income (losses), net of tax (expense) benefit	`OtherComprehensiveIncomeLossNetOfTax`	$11.42M	USD	Annual
Other comprehensive income (losses), net of tax (expense) benefit	`OtherComprehensiveIncomeLossNetOfTax`	$7.39M	USD	Annual
Other comprehensive income (losses), net of tax (expense) benefit	`OtherComprehensiveIncomeLossNetOfTax`	$-4.67M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$300.35M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$257.71M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$269.62M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.