Quarterly report pursuant to Section 13 or 15(d)

LOAN SALES AND SECURITIZATIONS - Residential Mortgage Portfolio, MSRs Amortization Method (Details)

v3.7.0.1
LOAN SALES AND SECURITIZATIONS - Residential Mortgage Portfolio, MSRs Amortization Method (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Servicing Asset at Amortized Cost, Balance [Roll Forward]          
Fair value, end of period $ 224,656   $ 224,656   $ 225,578
Residential Mortgage          
Servicing Asset at Amortized Cost, Balance [Roll Forward]          
Carrying value, beginning of period 177,812 $ 127,275 172,466 $ 143,133  
New servicing assets created 8,218 7,277 17,853 13,386  
Impairment (charge) / recovery (2,806) (7,295) (1,007) (23,635)  
Amortization and other (6,733) (5,965) (12,821) (11,592)  
Carrying value, end of period 176,491 121,292 176,491 121,292  
Fair value, end of period $ 177,138 $ 121,464 $ 177,138 $ 121,464  
Residential Mortgage | Amortization method          
Servicing Asset at Amortized Cost, Balance [Roll Forward]          
Weighted-average life (years) 7 years 1 month 6 years 1 month 7 years 1 month 6 years 1 month