Borrowed Funds and Subordinated Debentures - Summary of Interest Rate Swaps (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($)
AOCI (loss) gain on cash flow derivative instruments
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in OCI	$ 1,029	$ (1,264)	$ (1,195)
Loss reclassified from AOCI into interest expense	(450)	(319)
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Cash collateral pledged	1,300	1,500
Notional amount	40,000	80,000
Fair value	$ 408	$ (1,026)
Weighted average pay rate	0.98%	1.19%
Weighted average receive rate	0.19%	0.89%
Weighted average maturity in years	2 years 4 months 13 days	2 years 2 months 12 days
Number of contracts | contract	2	5