Fair Value Measurement of Assets and Liabilities - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent loans charge offs	$ 2,100,000	$ 4,500,000
Collateral dependent impaired loans, recorded investment	114,800,000	104,400,000
Specific valuation allowance allocations	$ 66,900,000	$ 69,100,000
Valuation of loan servicing rights, prepayment rate	12.90%
Valuation of loan servicing rights, discount rate	9.00%
Discount adjustment of the appraisals of foreclosed assets	0.00%
Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount adjustment of the appraisals of foreclosed assets		1.50%
Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount adjustment of the appraisals of foreclosed assets		22.00%
Non-recurring fair value measurements: | Fair Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Reported net carrying amount of impaired loans	$ 47,900,000	$ 35,200,000
Loan servicing rights	$ 0	$ 15,603,000