Fair Value of Financial Instruments and Fair Value Measurements - Quantitative Information for Financial Instruments Measured at Fair Value (Details) $ in Thousands	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	$ 246	$ 281
Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent impaired loans	426	1,837
Level 3 | Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent impaired loans	426	1,837
Other real estate owned	246	281
Other investments	$ 4,083	$ 4,255
Level 3 | Nonrecurring | Minimum | Measurement Input, Appraised Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent impaired loans, weighted average discount range	0.25	0.25
Other real estate owned, weighted average discount range	0	0
Level 3 | Nonrecurring | Maximum | Measurement Input, Appraised Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent impaired loans, weighted average discount range	1	1
Other real estate owned, weighted average discount range	0.20	0.20