Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2018
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 $ 153,424 $ 153,141
Realized (losses) gains 0 0
Unrealized (losses) gains 0 0
Total gains (losses) included in net income 0 0
Other comprehensive (loss) income (424) (141)
Purchases 0 0
Sales 0 0
Settlements (113,000) (113,000)
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 40,000 40,000
Servicing Contracts [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value 1,450,261 1,086,717
Realized (losses) gains (42,089) (107,359)
Unrealized (losses) gains 62,680 209,610
Total gains (losses) included in net income 20,591 102,251
Other comprehensive (loss) income 0 0
Purchases 201,197 480,462
Sales 4 (395)
Settlements (8,029) (5,011)
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 1,664,024 1,664,024
Loans Receivable [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value 28,351 29,940
Realized (losses) gains 167 (41)
Unrealized (losses) gains 129 901
Total gains (losses) included in net income 296 860
Other comprehensive (loss) income 0 0
Purchases 0 0
Sales 0 0
Settlements (1,566) (3,719)
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 27,081 27,081
Other Comprehensive Income (Loss) [Member] | Available-for-sale Securities [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
Other Comprehensive Income (Loss) [Member] | Servicing Contracts [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
Other Comprehensive Income (Loss) [Member] | Loans Receivable [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
Other Income (Loss) [Member] | Available-for-sale Securities [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
Other Income (Loss) [Member] | Servicing Contracts [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 62,275 201,666
Other Income (Loss) [Member] | Loans Receivable [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 $ 127 $ 806