Fair Value Measurements - Nonrecurring (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Assets and liabilities measured at fair value
Valuation allowance	$ 16,700,000
Carrying value of other real estate owned	1,561,000	$ 2,356,000	$ 1,624,000	$ 1,912,000	$ 1,877,000	$ 2,474,000
OREO Valuation allowance	856,000	1,179,000	$ 920,000	$ 1,165,000	$ 1,296,000	$ 1,643,000
Impaired Loans [Member]
Assets and liabilities measured at fair value
Valuation allowance		18,500,000
Impaired Loans [Member] | Reported Value Measurement [Member]
Assets and liabilities measured at fair value
Increase (decrease) of specific allocations within the provision for loan losses		2,700,000
Fair Value, Measurements, Nonrecurring [Member]
Assets and liabilities measured at fair value
Total	52,915,000	15,494,000
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member]
Assets and liabilities measured at fair value
Total	51,354,000	13,138,000
Valuation allowance	16,700,000	5,400,000
Increase (decrease) of specific allocations within the provision for loan losses	11,300,000
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] | Reported Value Measurement [Member]
Assets and liabilities measured at fair value
Total	68,100,000
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
Outstanding balance	2,500,000	3,700,000
OREO Valuation allowance	856,000	1,200,000
OREO participations	131,000	131,000
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets and liabilities measured at fair value
Total	52,915,000	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	51,354,000	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