Quarterly report pursuant to Section 13 or 15(d)

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

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LOAN SALES AND SECURITIZATIONS - Small Business Association Portfolio, MSRs Amortization Method Key Assumptions (Details)
3 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Small Business Association (SBA) Loan | Amortization method    
Servicing Asset at Amortized Cost [Line Items]    
Spread over forward interest rate swap rates, actual 0.00% 0.00%