Investment Securities - Amortized Costs, Gains and Losses, Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	$ 300,341	$ 297,149
Gross unrealized gains	106	7
Gross unrealized losses	(40,794)	(46,409)
Available for sale debt securities fair value	259,653	250,747
U.S. Treasury
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	5,125	2,198
Gross unrealized gains	13	0
Gross unrealized losses	(34)	(46)
Available for sale debt securities fair value	5,104	2,152
U.S. government and federal agency obligations
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	515	591
Gross unrealized gains	0	0
Gross unrealized losses	(25)	(32)
Available for sale debt securities fair value	490	559
U.S. government-sponsored enterprises
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	27,499	26,499
Gross unrealized gains	0	0
Gross unrealized losses	(2,282)	(2,722)
Available for sale debt securities fair value	25,217	23,777
Obligations of states and political subdivisions
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	134,531	134,994
Gross unrealized gains	28	0
Gross unrealized losses	(21,970)	(25,554)
Available for sale debt securities fair value	112,589	109,440
Mortgage-backed securities
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	119,360	119,556
Gross unrealized gains	65	7
Gross unrealized losses	(15,045)	(16,864)
Available for sale debt securities fair value	104,380	102,699
Other debt securities
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	11,825	11,825
Gross unrealized gains	0	0
Gross unrealized losses	(1,099)	(882)
Available for sale debt securities fair value	10,726	10,943
Bank issued trust preferred securities
Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale
Total Amortized Cost	1,486	1,486
Gross unrealized gains	0	0
Gross unrealized losses	(339)	(309)
Available for sale debt securities fair value	$ 1,147	$ 1,177