Quarterly report pursuant to Section 13 or 15(d)

LOAN SALES AND SECURITIZATIONS - Small Business Association Portfolio, MSRs Amortization Method (Details)

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LOAN SALES AND SECURITIZATIONS - Small Business Association Portfolio, MSRs Amortization Method (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Servicing Asset at Amortized Cost, Balance [Roll Forward]          
Fair value, end of period $ 180,938   $ 180,938   $ 189,237
Small Business Association (SBA) Loan          
Servicing Asset at Amortized Cost, Balance [Roll Forward]          
Carrying value, beginning of period 19,612 $ 18,272 19,747 $ 18,536  
New servicing assets created 1,879 1,684 5,259 4,980  
Amortization and other (1,745) (1,594) (5,260) (5,154)  
Carrying value, end of period 19,746 18,362 19,746 18,362  
Fair value, end of period $ 24,065 $ 20,906 $ 24,065 $ 20,906  
Weighted-average life (years) 3 years 4 months 3 years 4 months 3 years 3 months 18 days 3 years 4 months