Fair Value Measurements - Additional Quantitative Information (Details) $ in Thousands	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans evaluated individually	$ 15,380	$ 20,246
OREO	3,074	4,570
Non-recurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans evaluated individually	2,926	2,771
OREO	51	106
Bank property held for sale	10,103	10,676
Non-recurring basis | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans evaluated individually	2,926	2,771
OREO	51	106
Bank property held for sale	10,103	10,676
Non-recurring basis | Level 3 | Appraisal of collateral | Loans evaluated individually
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans evaluated individually	$ 2,926	$ 2,771
Non-recurring basis | Level 3 | Appraisal of collateral | Loans evaluated individually | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans evaluated individually (percent)	(50.0)	(30.0)
Non-recurring basis | Level 3 | Appraisal of collateral | Loans evaluated individually | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans evaluated individually (percent)	(100.0)	(100.0)
Non-recurring basis | Level 3 | Appraisal of collateral | Loans evaluated individually | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans evaluated individually (percent)	(55.1)	(37.0)
Non-recurring basis | Level 3 | Appraisal of collateral | OREO
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
OREO	$ 51	$ 106
Non-recurring basis | Level 3 | Appraisal of collateral | OREO | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
OREO (percent)	(33.0)	(25.0)
Non-recurring basis | Level 3 | Appraisal of collateral | OREO | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
OREO (percent)	(100.0)	(100.0)
Non-recurring basis | Level 3 | Appraisal of collateral | OREO | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
OREO (percent)	(67.9)	(54.5)
Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Bank property held for sale	$ 10,103	$ 10,676
Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Bank property held for sale (percent)	(0.7)	(6.2)
Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Bank property held for sale (percent)	(70.1)	(64.9)
Non-recurring basis | Level 3 | Appraisal of collateral or real estate listing price | Bank property held for sale | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Bank property held for sale (percent)	(41.3)	(42.8)