Quarterly report pursuant to Section 13 or 15(d)

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

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LOAN SALES AND SECURITIZATIONS - Residential Mortgage Portfolio, MSRs Amortization Method (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Servicing Asset at Amortized Cost, Balance [Roll Forward]      
Fair value, end of period $ 168,648   $ 189,237
Residential Mortgage      
Servicing Asset at Amortized Cost, Balance [Roll Forward]      
Carrying value, beginning of period 143,133 $ 132,813  
New servicing assets created 6,109 6,454  
Servicing assets acquired 0 0  
Impairment (charge) / recovery (16,340) (7,990)  
Amortization and other (5,627) (5,823)  
Carrying value, end of period 127,275 125,454  
Fair value, end of period $ 127,516 $ 125,691  
Residential Mortgage | Amortization method      
Servicing Asset at Amortized Cost, Balance [Roll Forward]      
Weighted-average life (years) 6 years 6 months 5 years 8 months