Aggregate fair value and gross unrealized loss of securities that have been in a continous unrealized loss position (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Aggregate Fair Value Gross Unrealized Loss Of Securities Less Than 12 Months Fair Value [Member]
Available-for-sale
U.S. Treasury	$ 6,435	$ 12,155
U.S. Government Agency notes	3,106	22,137
Municipal bonds	37,277	12,496
U.S. Government agencies and U.S. Government - sponsored enterprises	18,861	52,619
Collateralized mortgage obligations	14,333	11,554
Corporate bonds	11,251	1,742
Total temporarily impaired securities	91,263	112,703
Aggregate Fair Value Gross Unrealized Loss Of Securities Less Than 12 Months Unrealized Losses [Member]
Available-for-sale
U.S. Treasury	484	182
U.S. Government Agency notes	158	235
Municipal bonds	5,950	204
U.S. Government agencies and U.S. Government - sponsored enterprises	1,559	740
Collateralized mortgage obligations	1,782	185
Corporate bonds	1,249	8
Total temporarily impaired securities	11,182	1,554
Aggregate Fair Value Gross Unrealized Loss Of Securities 12 Months Or Longer Fair Value [Member]
Available-for-sale
U.S. Treasury	10,698
U.S. Government Agency notes	17,467	2,019
Municipal bonds	9,261	552
U.S. Government agencies and U.S. Government - sponsored enterprises	39,909	3,195
Collateralized mortgage obligations	7,603
Corporate bonds	1,523
Total temporarily impaired securities	86,461	5,766
Aggregate Fair Value Gross Unrealized Loss Of Securities 12 Months Or Longer Unrealized Losses [Member]
Available-for-sale
U.S. Treasury	1,666
U.S. Government Agency notes	2,478	21
Municipal bonds	2,691
U.S. Government agencies and U.S. Government - sponsored enterprises	6,452	65
Collateralized mortgage obligations	1,652
Corporate bonds	227
Total temporarily impaired securities	15,166	86
Aggregate Fair Value Gross Unrealized Loss Of Securities Total Fair Value [Member]
Available-for-sale
U.S. Treasury	17,133	12,155
U.S. Government Agency notes	20,573	24,156
Municipal bonds	46,538	13,048
U.S. Government agencies and U.S. Government - sponsored enterprises	58,770	55,814
Collateralized mortgage obligations	21,936	11,554
Corporate bonds	12,774	1,742
Total temporarily impaired securities	177,724	118,469
Aggregate Fair Value Gross Unrealized Loss Of Securities Total Unrealized Losses [Member]
Available-for-sale
U.S. Treasury	2,150	182
U.S. Government Agency notes	2,636	256
Municipal bonds	8,641	204
U.S. Government agencies and U.S. Government - sponsored enterprises	8,011	805
Collateralized mortgage obligations	3,434	185
Corporate bonds	1,476	8
Total temporarily impaired securities	$ 26,348	$ 1,640