Fair Value Measurement of Assets and Liabilities - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Fair Value Disclosures [Abstract]
Collateral dependent loans, charge-offs	$ 1,100,000	$ 0
Collateral dependent loans amortized cost	101,700,000
Specific valuation allowance allocations	57,000,000.0
Reported net carrying amount of collateral dependent loans	$ 44,700,000
Valuation of loan servicing rights, prepayment rate	13.90%
Valuation of loan servicing rights, discount rate	9.60%
Loan servicing rights	$ 1,500,000
Net impairment (net recovery)	109,000	24,000
Foreclosed assets measured at fair value upon initial recognition	6,400,000
Foreclosed asset charge-offs	$ 926,000	$ 788,000