Borrowings - Information related to borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Federal Funds Purchased
Debt Instrument [Line Items]
Maximum outstanding during the year FHLB advances	$ 4,982	$ 4,559
Balance outstanding at end of year FHLB advances	0
Average amount outstanding during the year FHLB advances	$ 55	$ 91
Average interest rate during the year FHLB advances	0.05%	1.65%
Average interest rate at end of year FHLB advances	0.00%	0.00%
FHLB advances
Debt Instrument [Line Items]
Maximum outstanding during the year FHLB advances	$ 0	$ 51,000
Balance outstanding at end of year FHLB advances	0
Average amount outstanding during the year FHLB advances	$ 0	$ 27,785
Average interest rate during the year FHLB advances	0.00%	2.17%
Average interest rate at end of year FHLB advances	0.00%	0.00%
PPPLF.
Debt Instrument [Line Items]
Maximum outstanding during the year FHLB advances	$ 41,529	$ 45,120
Balance outstanding at end of year FHLB advances	0	41,529
Average amount outstanding during the year FHLB advances	$ 5,601	$ 28,857
Average interest rate during the year FHLB advances	0.35%	0.35%
Average interest rate at end of year FHLB advances	0.00%	0.35%