Quarterly report pursuant to Section 13 or 15(d)

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

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Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Available-for-sale Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value $ 154,054 $ 105,157
Realized (losses) gains (9,419) (12,042)
Unrealized (losses) gains 0 0
Total gains (losses) included in net income (9,419) (12,042)
Other comprehensive income (loss) 1,351 3,319
Purchases 7,468 7,468
Sales 0 0
Settlements 0 0
Gross transfers into level 3 159,211 272,925
Gross transfers out of level 3 (95,455) (159,617)
End of period level 3 fair value 217,210 217,210
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period 0 0
Change in unrealized gains or losses for the period included in other comprehensive (loss) income for assets held at the end of the reporting period 1,351 (166)
Mortgage Servicing Rights [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value 2,014,370 1,993,440
Realized (losses) gains (70,407) (107,767)
Unrealized (losses) gains (182,025) (333,639)
Total gains (losses) included in net income (252,432) (441,406)
Other comprehensive income (loss) 0 0
Purchases 43,710 264,522
Sales 0 (289)
Settlements (4,822) (15,441)
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 1,800,826 1,800,826
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period (181,020) (327,632)
Change in unrealized gains or losses for the period included in other comprehensive (loss) income for assets held at the end of the reporting period $ 0 $ 0