Consolidated Balance Sheets - (unaudited) (Parenthetical) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Held to maturity investment securities, fair value	$ 14,641,000	$ 18,445,000
Allowance for loan losses	$ 18,167,000	$ 16,902,000
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (shares)	10,000,000	10,000,000
Common stock, shares issued (shares)	7,711,843	7,803,166
Common stock, shares outstanding (shares)	7,711,843	7,803,166
Subordinated debentures
Debt instrument face value of debt	$ 70,000,000	$ 35,000,000
Unamortized debt issuance costs	$ 1,103,000	$ 559,000