Fair Value of Financial Instruments - Balances and Levels of Assets Measured at Fair Value on Non-recurring Basis (Details) - Non-recurring Basis - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financial assets:
Other real estate owned	$ 1,836	$ 6,308
Collateral dependent loans	3,087	5,477
Commercial and industrial
Financial assets:
Collateral dependent loans	11
Construction
Financial assets:
Collateral dependent loans	601	606
Residential real estate: | Residential line of credit
Financial assets:
Collateral dependent loans	311	592
Commercial real estate: | Owner occupied
Financial assets:
Collateral dependent loans	2,140	729
Commercial real estate: | Non-owner occupied
Financial assets:
Collateral dependent loans		3,526
Consumer and other
Financial assets:
Collateral dependent loans	24	24
Quoted prices in active markets for identical assets (liabilities) (level 1)
Financial assets:
Other real estate owned	0	0
Collateral dependent loans	0	0
Quoted prices in active markets for identical assets (liabilities) (level 1) | Commercial and industrial
Financial assets:
Collateral dependent loans	0
Quoted prices in active markets for identical assets (liabilities) (level 1) | Construction
Financial assets:
Collateral dependent loans	0	0
Quoted prices in active markets for identical assets (liabilities) (level 1) | Residential real estate: | Residential line of credit
Financial assets:
Collateral dependent loans	0	0
Quoted prices in active markets for identical assets (liabilities) (level 1) | Commercial real estate: | Owner occupied
Financial assets:
Collateral dependent loans	0	0
Quoted prices in active markets for identical assets (liabilities) (level 1) | Commercial real estate: | Non-owner occupied
Financial assets:
Collateral dependent loans		0
Quoted prices in active markets for identical assets (liabilities) (level 1) | Consumer and other
Financial assets:
Collateral dependent loans	0	0
Significant other observable inputs (level 2)
Financial assets:
Other real estate owned	0	0
Collateral dependent loans	0	0
Significant other observable inputs (level 2) | Commercial and industrial
Financial assets:
Collateral dependent loans	0
Significant other observable inputs (level 2) | Construction
Financial assets:
Collateral dependent loans	0	0
Significant other observable inputs (level 2) | Residential real estate: | Residential line of credit
Financial assets:
Collateral dependent loans	0	0
Significant other observable inputs (level 2) | Commercial real estate: | Owner occupied
Financial assets:
Collateral dependent loans	0	0
Significant other observable inputs (level 2) | Commercial real estate: | Non-owner occupied
Financial assets:
Collateral dependent loans		0
Significant other observable inputs (level 2) | Consumer and other
Financial assets:
Collateral dependent loans	0	0
Significant unobservable inputs (level 3)
Financial assets:
Other real estate owned	1,836	6,308
Collateral dependent loans	3,087	5,477
Significant unobservable inputs (level 3) | Commercial and industrial
Financial assets:
Collateral dependent loans	11
Significant unobservable inputs (level 3) | Construction
Financial assets:
Collateral dependent loans	601	606
Significant unobservable inputs (level 3) | Residential real estate: | Residential line of credit
Financial assets:
Collateral dependent loans	311	592
Significant unobservable inputs (level 3) | Commercial real estate: | Owner occupied
Financial assets:
Collateral dependent loans	2,140	729
Significant unobservable inputs (level 3) | Commercial real estate: | Non-owner occupied
Financial assets:
Collateral dependent loans		3,526
Significant unobservable inputs (level 3) | Consumer and other
Financial assets:
Collateral dependent loans	$ 24	$ 24