10-K Filing

SLM Corp CIK: 1032033 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0001628280-19-002283`
Period End Date	20181231
Filing Date	20190228
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	slm-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 72 Income Statement 163 Cash Flow Statement 160 Stockholders Equity 20 Comprehensive Income 21

Balance Sheet 72 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.53B	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$182.32M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.56B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.92B	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$247.61M	USD	Point-in-time
Available-for-sale investments at fair value (cost of $182,325 and $247,607, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$176.25M	USD	Point-in-time
Loans held for investment	`LoansandLeasesReceivableAllowanceGross`	$251.47M	USD	Point-in-time
Available-for-sale investments at fair value (cost of $182,325 and $247,607, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$244.09M	USD	Point-in-time
Loans held for investment	`LoansandLeasesReceivableAllowanceGross`	$341.12M	USD	Point-in-time
Preferred stock, stated value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Preferred stock, stated value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Loans held for investment (net of allowance for losses of $341,121 and $251,475, respectively)	`LoansAndLeasesReceivableNetReportedAmount`	$22.27B	USD	Point-in-time
Loans held for investment (net of allowance for losses of $341,121 and $251,475, respectively)	`LoansAndLeasesReceivableNetReportedAmount`	$18.57B	USD	Point-in-time
Restricted cash	`RestrictedCashAndInvestments`	$122.79M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Restricted cash	`RestrictedCashAndInvestments`	$101.84M	USD	Point-in-time
Restricted cash	`RestrictedCashAndInvestments`	$53.72M	USD	Point-in-time
Other interest-earning assets	`OtherInterestEarningAssets`	$21.59M	USD	Point-in-time
Other interest-earning assets	`OtherInterestEarningAssets`	$27.16M	USD	Point-in-time
Accrued interest receivable	`InterestReceivable`	$967.48M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Accrued interest receivable	`InterestReceivable`	$1.19B	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.20	USD	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$105.50M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.12B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.12B	shares	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$89.75M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxReceivable`	$41.57M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxReceivable`	-	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	443.50M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	449.90M	shares	Point-in-time
Accumulated other comprehensive loss tax benefit	`TaxEffectForAccumulatedOtherComprehensiveIncome`	$1.70M	USD	Point-in-time
Accumulated other comprehensive loss tax benefit	`TaxEffectForAccumulatedOtherComprehensiveIncome`	$3.44M	USD	Point-in-time
Tax indemnification receivable	`TaxIndemnificationReceivable`	$168.01M	USD	Point-in-time
Tax indemnification receivable	`TaxIndemnificationReceivable`	$39.21M	USD	Point-in-time
Common stock held in treasury	`TreasuryStockShares`	14.20M	shares	Point-in-time
Other assets	`OtherAssets`	$103.69M	USD	Point-in-time
Other assets	`OtherAssets`	$84.85M	USD	Point-in-time
Common stock held in treasury	`TreasuryStockShares`	11.10M	shares	Point-in-time
Total assets	`Assets`	$26.64B	USD	Point-in-time
Total assets	`Assets`	$21.78B	USD	Point-in-time
Deposits	`Deposits`	$15.51B	USD	Point-in-time
Deposits	`Deposits`	$18.94B	USD	Point-in-time
Long-term borrowings	`LongTermDebt`	$4.28B	USD	Point-in-time
Long-term borrowings	`LongTermDebt`	$3.28B	USD	Point-in-time
Income taxes payable, net	`TaxesPayableCurrentAndNoncurrent`	$102.28M	USD	Point-in-time
Income taxes payable, net	`TaxesPayableCurrentAndNoncurrent`	-	USD	Point-in-time
Upromise member accounts	`Upromiserelatedliability`	$243.08M	USD	Point-in-time
Upromise member accounts	`Upromiserelatedliability`	$213.10M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$179.31M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$224.95M	USD	Point-in-time
Total liabilities	`Liabilities`	$19.31B	USD	Point-in-time
Total liabilities	`Liabilities`	$23.67B	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: 449.9 million and 443.5 million shares issued, respectively	`CommonStockValue`	$88.69M	USD	Point-in-time
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 449.9 million and 443.5 million shares issued, respectively	`CommonStockValue`	$89.97M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.22B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.27B	USD	Point-in-time
Accumulated other comprehensive income (net of tax expense of $3,436 and $1,696, respectively)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$2.75M	USD	Point-in-time
Accumulated other comprehensive income (net of tax expense of $3,436 and $1,696, respectively)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$10.62M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$868.18M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.34B	USD	Point-in-time
Total SLM Corporation stockholders equity before treasury stock	`StockholdersEquityAttributabletoParentExcludingTreasuryStock`	$2.58B	USD	Point-in-time
Total SLM Corporation stockholders equity before treasury stock	`StockholdersEquityAttributabletoParentExcludingTreasuryStock`	$3.12B	USD	Point-in-time
Less: Common stock held in treasury at cost: 14.2 million and 11.1 million shares, respectively	`TreasuryStockValue`	$142.59M	USD	Point-in-time
Less: Common stock held in treasury at cost: 14.2 million and 11.1 million shares, respectively	`TreasuryStockValue`	$107.64M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.97B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.47B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$26.64B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$21.78B	USD	Point-in-time

Income Statement 163 line items

Line Item	Tag	Value	Unit	Period
Loans	`InterestAndFeeIncomeLoansAndLeases`	$1.89B	USD	Annual
Loans	`InterestAndFeeIncomeLoansAndLeases`	$1.06B	USD	Annual
Loans	`InterestAndFeeIncomeLoansAndLeases`	$1.41B	USD	Annual
Investments	`InterestAndDividendIncomeSecuritiesAvailableForSale`	$6.16M	USD	Annual
Investments	`InterestAndDividendIncomeSecuritiesAvailableForSale`	$9.16M	USD	Annual
Investments	`InterestAndDividendIncomeSecuritiesAvailableForSale`	$8.29M	USD	Annual
Cash and cash equivalents	`CashAndInvestmentsInterestIncomeLoss`	$15.51M	USD	Annual
Cash and cash equivalents	`CashAndInvestmentsInterestIncomeLoss`	$34.50M	USD	Annual
Cash and cash equivalents	`CashAndInvestmentsInterestIncomeLoss`	$7.60M	USD	Annual
Total interest income	`InterestAndDividendIncomeOperating`	$1.08B	USD	Annual
Total interest income	`InterestAndDividendIncomeOperating`	$1.44B	USD	Annual
Total interest income	`InterestAndDividendIncomeOperating`	$1.94B	USD	Annual
Deposits	`InterestExpenseDeposits`	$389.35M	USD	Annual
Deposits	`InterestExpenseDeposits`	$148.41M	USD	Annual
Deposits	`InterestExpenseDeposits`	$223.69M	USD	Annual
Interest expense on short-term borrowings	`InterestExpenseShortTermBorrowings`	$5.83M	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`	$127.11M	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`	$522.29M	USD	Annual
Total interest expense	`InterestExpense`	$308.08M	USD	Annual
Total interest expense	`InterestExpense`	$185.91M	USD	Annual
Net interest income	`InterestIncomeExpenseNet`	$269.89M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$1.13B	USD	Annual
Net interest income	`InterestIncomeExpenseNet`	$309.19M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$268.08M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$382.87M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$282.06M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$356.63M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$340.95M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$332.61M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$1.41B	USD	Annual
Net interest income	`InterestIncomeExpenseNet`	$891.34M	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$70.05M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$54.93M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$53.93M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$159.41M	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$185.76M	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$50.22M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$55.32M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$25.30M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$244.86M	USD	Annual
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$63.27M	USD	1 Quarter
Less: provisions for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$57.62M	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`	$286.59M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$325.25M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$277.68M	USD	1 Quarter
Net interest income after provisions for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$1.17B	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`	$219.68M	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`	$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`	$278.68M	USD	1 Quarter
Gains on sales of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$2.06M	USD	Annual
Gains on sales of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	-	USD	Annual
Gains on sales of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$230.00K	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	$-1.55M	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	1 Quarter
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	$-1.55M	USD	1 Quarter
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	1 Quarter
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	1 Quarter
Losses on derivatives and hedging activities, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-958.00K	USD	Annual
Losses on derivatives and hedging activities, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-87.00K	USD	Annual
Losses on derivatives and hedging activities, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-8.27M	USD	Annual
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$-80.70M	USD	1 Quarter
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$11.35M	USD	1 Quarter
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$6.45M	USD	1 Quarter
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$-52.32M	USD	Annual
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$9.64M	USD	1 Quarter
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$5.36M	USD	Annual
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$12.29M	USD	1 Quarter
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$-21.07M	USD	1 Quarter
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$4.46M	USD	1 Quarter
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$69.54M	USD	Annual
Other (loss) income	`NoninterestIncomeOtherOperatingIncome`	$10.63M	USD	1 Quarter
Total non-interest (loss) income	`NoninterestIncome`	$-51.90M	USD	Annual
Total non-interest (loss) income	`NoninterestIncome`	$-2.90M	USD	Annual
Total non-interest (loss) income	`NoninterestIncome`	$68.82M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$184.00M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$213.32M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$252.35M	USD	Annual
FDIC assessment fees	`FederalDepositInsuranceCorporationPremiumExpense`	$32.79M	USD	Annual
FDIC assessment fees	`FederalDepositInsuranceCorporationPremiumExpense`	$19.21M	USD	Annual
FDIC assessment fees	`FederalDepositInsuranceCorporationPremiumExpense`	$28.95M	USD	Annual
Other operating expenses	`OtherNoninterestExpense`	$206.82M	USD	Annual
Other operating expenses	`OtherNoninterestExpense`	$271.84M	USD	Annual
Other operating expenses	`OtherNoninterestExpense`	$183.11M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$386.31M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$556.98M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$449.09M	USD	Annual
Income before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$559.33M	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`	$164.11M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$71.85M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$40.07M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$-53.67M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$44.45M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$40.62M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$51.01M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$41.00M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$66.19M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$44.71M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$202.53M	USD	Annual
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$487.48M	USD	Annual
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$5.58M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$4.20M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.97M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$4.12M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.40M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$21.20M	USD	Annual
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.92M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$15.71M	USD	Annual
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.03M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$3.14M	USD	1 Quarter
Preferred stock dividends	`PreferredStockDividendsIncomeStatementImpact`	$15.64M	USD	Annual
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$89.37M	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`	$143.31M	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`	$99.75M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$471.84M	USD	Annual
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`	$73.34M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$122.86M	USD	1 Quarter
Net income attributable to SLM Corporation common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$105.91M	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.17	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.15	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$1.08	USD	Annual
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.24	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.54	USD	Annual
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.63	USD	Annual
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.21	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.10	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.33	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.23	USD	1 Quarter
Basic earnings per common share attributable to SLM Corporation	`EarningsPerShareBasic`	$0.28	USD	1 Quarter
Average common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	435.05M	shares	Annual
Average common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	431.22M	shares	Annual
Average common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	427.88M	shares	Annual
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.23	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.62	USD	Annual
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.17	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.53	USD	Annual
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.28	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.10	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.24	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.33	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.15	USD	1 Quarter
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$1.07	USD	Annual
Diluted earnings per common share attributable to SLM Corporation	`EarningsPerShareDiluted`	$0.20	USD	1 Quarter
Average common and common equivalent shares outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	438.55M	shares	Annual
Average common and common equivalent shares outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	439.68M	shares	Annual
Average common and common equivalent shares outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	432.92M	shares	Annual

Cash Flow Statement 160 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$487.48M	USD	Annual
Provisions for credit losses	`ProvisionForDoubtfulAccounts`	$185.76M	USD	Annual
Provisions for credit losses	`ProvisionForDoubtfulAccounts`	$159.41M	USD	Annual
Provisions for credit losses	`ProvisionForDoubtfulAccounts`	$244.86M	USD	Annual
Deferred tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-63.30M	USD	Annual
Deferred tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-58.75M	USD	Annual
Deferred tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-88.73M	USD	Annual
Amortization of brokered deposit placement fee	`AmortizationofBrokeredDepositPlacement`	$9.37M	USD	Annual
Amortization of brokered deposit placement fee	`AmortizationofBrokeredDepositPlacement`	$13.05M	USD	Annual
Amortization of brokered deposit placement fee	`AmortizationofBrokeredDepositPlacement`	$10.13M	USD	Annual
Amortization of Secured Borrowing Facility upfront fee	`AmortizationofABCPUpfrontFee`	$1.23M	USD	Annual
Amortization of Secured Borrowing Facility upfront fee	`AmortizationofABCPUpfrontFee`	$1.32M	USD	Annual
Amortization of Secured Borrowing Facility upfront fee	`AmortizationofABCPUpfrontFee`	$1.13M	USD	Annual
Amortization of deferred loan origination costs and loan premium/(discounts), net	`AmortizationOfDeferredLoanOriginationFeesNet`	$-10.90M	USD	Annual
Amortization of deferred loan origination costs and loan premium/(discounts), net	`AmortizationOfDeferredLoanOriginationFeesNet`	$-5.81M	USD	Annual
Amortization of deferred loan origination costs and loan premium/(discounts), net	`AmortizationOfDeferredLoanOriginationFeesNet`	$-8.26M	USD	Annual
Net amortization of discount on investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-1.71M	USD	Annual
Net amortization of discount on investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-2.08M	USD	Annual
Net amortization of discount on investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-2.04M	USD	Annual
Reduction of tax indemnification receivable	`InterestIncomeonTaxIndemnificationReceivable`	$-31.89M	USD	Annual
Reduction of tax indemnification receivable	`InterestIncomeonTaxIndemnificationReceivable`	$12.28M	USD	Annual
Reduction of tax indemnification receivable	`InterestIncomeonTaxIndemnificationReceivable`	$-92.81M	USD	Annual
Depreciation of premises and equipment	`Depreciation`	$13.83M	USD	Annual
Depreciation of premises and equipment	`Depreciation`	$9.59M	USD	Annual
Depreciation of premises and equipment	`Depreciation`	$11.17M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$27.90M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$31.52M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$22.94M	USD	Annual
Unrealized losses (gains) on derivative and hedging activities, net	`UnrealizedGainLossOnDerivatives`	$1.35M	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`	$-2.26M	USD	Annual
Gains on sale of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$2.06M	USD	Annual
Gains on sale of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	-	USD	Annual
Gains on sale of loans, net	`LoansAndLeasesReceivableGainLossOnSalesNet`	$230.00K	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	$-1.55M	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	1 Quarter
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	$-1.55M	USD	1 Quarter
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	1 Quarter
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	Annual
Losses on sales of securities, net	`GainLossOnSalesOfMortgageBackedSecuritiesMBS`	-	USD	1 Quarter
Other adjustments to net income, net	`OtherNoncashIncomeExpense`	$-7.45M	USD	Annual
Other adjustments to net income, net	`OtherNoncashIncomeExpense`	$-4.43M	USD	Annual
Other adjustments to net income, net	`OtherNoncashIncomeExpense`	$-6.30M	USD	Annual
Increase in accrued interest receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$703.08M	USD	Annual
Increase in accrued interest receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$864.46M	USD	Annual
Increase in accrued interest receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$582.36M	USD	Annual
(Increase) decrease in other interest-earning assets	`PaymentsForProceedsFromOtherInterestEarningAssets`	$-27.53M	USD	Annual
(Increase) decrease in other interest-earning assets	`PaymentsForProceedsFromOtherInterestEarningAssets`	$-5.73M	USD	Annual
(Increase) decrease in other interest-earning assets	`PaymentsForProceedsFromOtherInterestEarningAssets`	$5.57M	USD	Annual
Decrease in tax indemnification receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-35.99M	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`	$72.65M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$47.44M	USD	Annual
Increase in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$69.78M	USD	Annual
Decrease in income tax payable, net	`IncreaseDecreaseinincometaxpayabletorelatedparty`	$-20.65M	USD	Annual
Decrease in income tax payable, net	`IncreaseDecreaseinincometaxpayabletorelatedparty`	$-79.69M	USD	Annual
Decrease in income tax payable, net	`IncreaseDecreaseinincometaxpayabletorelatedparty`	$-19.69M	USD	Annual
Increase in accrued interest payable	`IncreaseDecreaseInInterestPayableNet`	$3.74M	USD	Annual
Increase in accrued interest payable	`IncreaseDecreaseInInterestPayableNet`	$14.30M	USD	Annual
Increase in accrued interest payable	`IncreaseDecreaseInInterestPayableNet`	$25.98M	USD	Annual
Increase in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$15.20M	USD	Annual
Increase in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$15.39M	USD	Annual
Increase in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$1.30M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$-590.22M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$-460.09M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$-449.35M	USD	Annual
Total net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-171.16M	USD	Annual
Total net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-199.02M	USD	Annual
Total net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-102.74M	USD	Annual
Loans acquired and originated	`StudentLoansacquiredandoriginated`	$4.70B	USD	Annual
Loans acquired and originated	`StudentLoansacquiredandoriginated`	$5.24B	USD	Annual
Loans acquired and originated	`StudentLoansacquiredandoriginated`	$6.49B	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`	$44.83M	USD	Annual
Net proceeds from sales of loans held for investment	`Netproceedsfromsalesofstudentloansheldforinvestment`	$6.99M	USD	Annual
Proceeds from claim payments	`ProceedsfromClaimpayments`	$64.87M	USD	Annual
Proceeds from claim payments	`ProceedsfromClaimpayments`	$54.66M	USD	Annual
Proceeds from claim payments	`ProceedsfromClaimpayments`	$49.15M	USD	Annual
Net decrease in loans held for investment	`Netincreasedecreaseinloansheldforinvestment`	$-2.07B	USD	Annual
Net decrease in loans held for investment	`Netincreasedecreaseinloansheldforinvestment`	$-3.08B	USD	Annual
Net decrease in loans held for investment	`Netincreasedecreaseinloansheldforinvestment`	$-1.33B	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$55.77M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$15.88M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$78.33M	USD	Annual
Proceeds from sales and maturities of available-for-sale securities	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$77.90M	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`	$-3.25B	USD	Annual
Total net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.31B	USD	Annual
Total net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.16B	USD	Annual
Brokered deposit placement fee	`Cashpaidforbrokereddepositplacementfee`	$25.79M	USD	Annual
Brokered deposit placement fee	`Cashpaidforbrokereddepositplacementfee`	$12.20M	USD	Annual
Brokered deposit placement fee	`Cashpaidforbrokereddepositplacementfee`	$4.37M	USD	Annual
Net increase (decrease) in certificates of deposit	`Netincreasedecreaseinbrokeredcertificatesofdeposit`	$2.53B	USD	Annual
Net increase (decrease) in certificates of deposit	`Netincreasedecreaseinbrokeredcertificatesofdeposit`	$-434.74M	USD	Annual
Net increase (decrease) in certificates of deposit	`Netincreasedecreaseinbrokeredcertificatesofdeposit`	$1.58B	USD	Annual
Net increase in other deposits	`NetincreaseinMMDAdeposits`	$508.39M	USD	Annual
Net increase in other deposits	`NetincreaseinMMDAdeposits`	$2.41B	USD	Annual
Net increase in other deposits	`NetincreaseinMMDAdeposits`	$918.42M	USD	Annual
Issuance costs for collateralized borrowings	`RepaymentsOfSecuredDebt`	-	USD	Annual
Issuance costs for collateralized borrowings	`RepaymentsOfSecuredDebt`	$2.09M	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`	$1.89B	USD	Annual
Borrowings collateralized by loans in securitization trusts - repaid	`BorrowingsCollateralizedByLoansInTrustRepaid`	$187.69M	USD	Annual
Borrowings collateralized by loans in securitization trusts - repaid	`BorrowingsCollateralizedByLoansInTrustRepaid`	$534.90M	USD	Annual
Borrowings collateralized by loans in securitization trusts - repaid	`BorrowingsCollateralizedByLoansInTrustRepaid`	$888.64M	USD	Annual
Borrowings under Secured Borrowing Facility	`ProceedsFromIssuanceOfCommercialPaper`	$300.00M	USD	Annual
Borrowings under Secured Borrowing Facility	`ProceedsFromIssuanceOfCommercialPaper`	$300.00M	USD	Annual
Borrowings under Secured Borrowing Facility	`ProceedsFromIssuanceOfCommercialPaper`	$376.32M	USD	Annual
Repayment of borrowings under Secured Borrowing Facility	`RepaymentsOfCommercialPaper`	$300.00M	USD	Annual
Repayment of borrowings under Secured Borrowing Facility	`RepaymentsOfCommercialPaper`	$300.00M	USD	Annual
Repayment of borrowings under Secured Borrowing Facility	`RepaymentsOfCommercialPaper`	$876.50M	USD	Annual
Fees paid - Secured Borrowing Facility	`NetIncreaseDecreaseinUpfrontLoanFees`	$-1.28M	USD	Annual
Fees paid - Secured Borrowing Facility	`NetIncreaseDecreaseinUpfrontLoanFees`	$-1.45M	USD	Annual
Fees paid - Secured Borrowing Facility	`NetIncreaseDecreaseinUpfrontLoanFees`	$-1.10M	USD	Annual
Issuance costs for unsecured debt offering	`PaymentsOfDebtIssuanceCosts`	$1.06M	USD	Annual
Issuance costs for unsecured debt offering	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Issuance costs for unsecured debt offering	`PaymentsOfDebtIssuanceCosts`	-	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`	$-165.00M	USD	Annual
Redemption of Series A Preferred Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Redemption of Series A Preferred Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Preferred stock dividends paid	`PaymentsOfDividends`	$21.20M	USD	Annual
Preferred stock dividends paid	`PaymentsOfDividends`	$15.64M	USD	Annual
Preferred stock dividends paid	`PaymentsOfDividends`	$15.71M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.99B	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$4.40B	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$3.04B	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-336.33M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-471.69M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.05B	USD	Annual
Cash, cash equivalents and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.64B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.68B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.44B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.97B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.64B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.68B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.44B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.97B	USD	Point-in-time
Interest	`InterestPaidNet`	$472.46M	USD	Annual
Interest	`InterestPaidNet`	$269.02M	USD	Annual
Interest	`InterestPaidNet`	$169.85M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$271.72M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$228.07M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$282.28M	USD	Annual
Income taxes refunded	`ProceedsFromIncomeTaxRefunds`	$1.40M	USD	Annual
Income taxes refunded	`ProceedsFromIncomeTaxRefunds`	$86.00K	USD	Annual
Income taxes refunded	`ProceedsFromIncomeTaxRefunds`	$13.45M	USD	Annual
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.64B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.68B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.44B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.97B	USD	Point-in-time

Stockholders Equity 20 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.97B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.47B	USD	Point-in-time
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$487.48M	USD	Annual
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$7.01M	USD	Annual
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$7.39M	USD	Annual
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$11.42M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$257.71M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$300.35M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$494.49M	USD	Annual
Reclassification resulting from the adoption of ASU No. 2017-12	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$165.00K	USD	Point-in-time
Redemption of Series A Preferred Stock	`StockRepurchasedDuringPeriodShares`	3.35M	shares	Annual
Redemption of Series A Preferred Stock	`StockRepurchasedDuringPeriodShares`	3.09M	shares	Annual
Redemption of Series A Preferred Stock	`StockRepurchasedDuringPeriodShares`	3.36M	shares	Annual
Issuance of common shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	6.39M	shares	Annual
Issuance of common shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	5.96M	shares	Annual
Issuance of common shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	6.83M	shares	Annual
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.97B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.47B	USD	Point-in-time

Comprehensive Income 21 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$288.93M	USD	Annual
Net income	`ProfitLoss`	$250.33M	USD	Annual
Net income	`ProfitLoss`	$487.48M	USD	Annual
Unrealized losses on investments	`UnrealizedGainLossOnInvestments`	$-716.00K	USD	Annual
Unrealized losses on investments	`UnrealizedGainLossOnInvestments`	$-2.56M	USD	Annual
Unrealized losses on investments	`UnrealizedGainLossOnInvestments`	$-1.79M	USD	Annual
Unrealized gains (losses) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$11.91M	USD	Annual
Unrealized gains (losses) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$13.76M	USD	Annual
Unrealized gains (losses) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$19.20M	USD	Annual
Total unrealized gains (losses)	`OtherComprehensiveIncomeLossBeforeTax`	$11.97M	USD	Annual
Total unrealized gains (losses)	`OtherComprehensiveIncomeLossBeforeTax`	$18.48M	USD	Annual
Total unrealized gains (losses)	`OtherComprehensiveIncomeLossBeforeTax`	$9.35M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$7.06M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$2.33M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$4.58M	USD	Annual
Other comprehensive income (losses), net of tax (expense) benefit	`OtherComprehensiveIncomeLossNetOfTax`	$7.01M	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`	$11.42M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$257.71M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$300.35M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$494.49M	USD	Annual

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