Fair Value Measurements - Nonrecurring (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets and liabilities measured at fair value
Valuation allowance	$ 17,600,000	$ 5,400,000
Valuation allowance	65,300,000	18,500,000
Increase (decrease) of specific allocations within the provision for loan losses		2,700,000
Carrying value of other real estate owned	1,561,000	2,356,000	$ 2,474,000	$ 5,004,000
OREO Valuation allowance	856,000	1,179,000	$ 1,643,000	$ 6,712,000
Fair Value, Measurements, Nonrecurring [Member]
Assets and liabilities measured at fair value
Total	49,261,000	15,494,000
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member]
Assets and liabilities measured at fair value
Total	47,700,000	13,138,000
Valuation allowance	65,300,000
Increase (decrease) of specific allocations within the provision for loan losses	12,200,000
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member]
Assets and liabilities measured at fair value
Total	1,561,000	2,356,000
Carrying value of other real estate owned	1,600,000	2,400,000
Purchase accounting adjustments	131,000	131,000
Outstanding balance	2,500,000	3,700,000
OREO Valuation allowance	856,000,000,000	1,200,000
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets and liabilities measured at fair value
Total	49,261,000	15,494,000
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Assets and liabilities measured at fair value
Total	47,700,000	13,138,000
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Real Estate Owned [Member]
Assets and liabilities measured at fair value
Total	$ 1,561,000	$ 2,356,000