Annual report pursuant to Section 13 and 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) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
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 $ 153,141 $ 0
Realized (losses) gains (2,538) 0
Unrealized (losses) gains 0 0
Total gains (losses) included in net income (2,538) 0
Other comprehensive (loss) income (1,960)  
Purchases 17,861 153,000
Sales 0 0
Settlements (153,000) 0
Gross transfers into level 3 91,653 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 105,157 153,141
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 (1,818) 141
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
Servicing Contracts [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value 1,086,717 693,815
Realized (losses) gains (149,242) (97,372)
Unrealized (losses) gains 80,209 6,339
Total gains (losses) included in net income (69,033) (91,033)
Other comprehensive (loss) income 0 0
Purchases 988,283 499,886
Sales (637) (355)
Settlements (11,890) (15,596)
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 1,993,440 1,086,717
Servicing Contracts [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 0
Servicing Contracts [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 $ 68,518 $ 5,870