Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Securities available-for-sale, amortized cost	$ 466,806	$ 460,999
Preferred stock, par value (in dollars per share)	$ 1.25	$ 1.25
Preferred stock authorized (in shares)	500,000	500,000
Preferred stock issued (in shares)	0	0
Preferred stock outstanding (in shares)	0	0
Common stock, stated value (in dollars per share)	$ 0.05205	$ 0.05205
Common stock authorized (in shares)	50,000,000	50,000,000
Common stock issued (in shares)	11,258,167	11,257,046
Common stock outstanding (in shares)	11,183,050	11,201,317
Treasury stock (in shares)	75,117	55,729