XML 54 R42.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value Measurement of Assets and Liabilities - Additional Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Fair Value Disclosures [Abstract]    
Collateral dependent loans, charge-offs   $ 938
Collateral dependent loans amortized cost $ 110,900  
Specific valuation allowance allocations 68,100  
Reported net carrying amount of collateral dependent loans $ 42,800  
Valuation of loan servicing rights, prepayment rate 17.00%  
Valuation of loan servicing rights, discount rate 9.60%  
Loan servicing rights $ 14,400