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, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Servicing Asset at Amortized Cost, Balance [Roll Forward]          
Fair value, end of period $ 229,746   $ 229,746   $ 225,578
Small Business Association (SBA) Loan          
Servicing Asset at Amortized Cost, Balance [Roll Forward]          
Carrying value, beginning of period 23,113 $ 19,612 21,080 $ 19,747  
New servicing assets created 3,591 1,879 9,187 5,259  
Amortization and other (1,923) (1,745) (5,486) (5,260)  
Carrying value, end of period 24,781 19,746 24,781 19,746  
Fair value, end of period $ 28,822 $ 24,065 $ 28,822 $ 24,065  
Weighted-average life (years) 3 years 4 months 3 years 4 months 3 years 3 months 18 days 3 years 4 months