Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
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 $ 105,157
Realized (losses) gains (2,623)
Unrealized (losses) gains 0
Total gains (losses) included in net income (2,623)
Other comprehensive income (loss) 1,968
Purchases 0
Sales 0
Settlements 0
Gross transfers into level 3 113,714
Gross transfers out of level 3 (64,162)
End of period level 3 fair value 154,054
Available-for-sale Securities [Member] | Other Comprehensive Income (Loss) [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period (447)
Available-for-sale Securities [Member] | Other Income (Loss) [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period 0
Mortgage Servicing Rights [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning of period level 3 fair value 1,993,440
Realized (losses) gains (37,360)
Unrealized (losses) gains (151,614)
Total gains (losses) included in net income (188,974)
Other comprehensive income (loss) 0
Purchases 220,812
Sales (289)
Settlements (10,619)
Gross transfers into level 3 0
Gross transfers out of level 3 0
End of period level 3 fair value 2,014,370
Mortgage Servicing Rights [Member] | Other Comprehensive Income (Loss) [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period 0
Mortgage Servicing Rights [Member] | Other Income (Loss) [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period $ (151,516)