Borrowings - Summary of Information Related to Borrowings (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
FHLB advances	$ 0	$ 30,000,000
Total borrowings		30,000,000
Maximum amount at any month-end during the year	42,575,000	40,000,000
Annual average balance outstanding	$ 23,385,000	$ 15,419,000
Annual average interest rate paid	0.83%	0.47%
Annual interest rate at end of period	0.00%	0.48%