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Borrowings - Additional Information (Details) - USD ($)		3 Months Ended
	Oct. 01, 2021	Mar. 31, 2022	Dec. 31, 2021
Short Term Debt [Line Items]
Federal Funds Purchased		$ 0	$ 0
Securities Sold under Agreements to Repurchase, Total		62,000	46,000
Federal Home Loan Bank, Advances, Maturities Summary, Due in Next Twelve Months, Total		10,100,000	10,000,000.0
Long-term Federal Home Loan Bank advances		0	0
Long-term borrowings total		$ 10,671,000	10,653,000
Subordinated Debt [Member]
Short Term Debt [Line Items]
Maturity date	Oct. 01, 2031
Interest rate, description		The Notes bear interest at a rate of 3.50% per annum for the first five years, after which the interest rate will be reset quarterly to a benchmark interest rate per annum which, subject to certain conditions provided in the Notes, will be equal to the then current three-month term Secured Overnight Financing Rate (“SOFR”) plus 275 basis points.
Variable rate, description		three-month term Secured Overnight Financing Rate (“SOFR”) plus 275 basis points
Interest rate	3.50%
Variable interest rate	2.75%
Investment into capital surplus	$ 5,000,000
Long-term borrowings total		$ 10,671,000	$ 10,700,000
Private Placement [Member] | Subordinated Debt [Member]
Short Term Debt [Line Items]
Principal amount	$ 11,000,000.0
Minimum [Member]
Short Term Debt [Line Items]
Maturity Period of Federal Funds		1 day
Maximum [Member]
Short Term Debt [Line Items]
Maturity Period of Federal Funds		4 days

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