Aggregate fair value and gross unrealized loss of securities that have been in a continous unrealized loss position (Details) - USD ($) $ in Thousands	Jun. 30, 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	$ 17,672	$ 12,155
U.S. Government Agency notes	14,998	22,137
Municipal bonds	45,603	12,496
U.S. Government agencies and U.S. Government- sponsored enterprises	50,249	52,619
U.S. Government agencies	22,552
Corporate bonds	7,424	1,742
Total temporarily impaired securities	158,498	112,703
Aggregate Fair Value Gross Unrealized Loss Of Securities Less Than 12 Months Unrealized Losses [Member]
Available-for-sale
U.S. Treasury	1,578	182
U.S. Government Agency notes	1,367	235
Municipal bonds	6,717	204
U.S. Government agencies and U.S. Government- sponsored enterprises	4,679	740
U.S. Government agencies	1,979
Corporate bonds	326	8
Total temporarily impaired securities	16,646	1,554
Aggregate Fair Value Gross Unrealized Loss Of Securities 12 Months Or Longer Fair Value [Member]
Available-for-sale
U.S. Treasury
U.S. Government Agency notes	9,267	2,019
Municipal bonds	1,518	552
U.S. Government agencies and U.S. Government- sponsored enterprises	14,709	3,195
U.S. Government agencies
Corporate bonds
Total temporarily impaired securities	25,494	5,766
Aggregate Fair Value Gross Unrealized Loss Of Securities 12 Months Or Longer Unrealized Losses [Member]
Available-for-sale
U.S. Treasury
U.S. Government Agency notes	344	21
Municipal bonds	357
U.S. Government agencies and U.S. Government- sponsored enterprises	1,245	65
U.S. Government agencies
Corporate bonds
Total temporarily impaired securities	1,946	86
Aggregate Fair Value Gross Unrealized Loss Of Securities Total Fair Value [Member]
Available-for-sale
U.S. Treasury	17,672	12,155
U.S. Government Agency notes	24,265	24,156
Municipal bonds	47,121	13,048
U.S. Government agencies and U.S. Government- sponsored enterprises	64,958	55,814
U.S. Government agencies	22,552
Corporate bonds	7,424	1,742
Total temporarily impaired securities	183,992	118,469
Aggregate Fair Value Gross Unrealized Loss Of Securities Total Unrealized Losses [Member]
Available-for-sale
U.S. Treasury	1,578	182
U.S. Government Agency notes	1,711	256
Municipal bonds	7,074	204
U.S. Government agencies and U.S. Government- sponsored enterprises	5,924	805
U.S. Government agencies	1,979
Corporate bonds	326	8
Total temporarily impaired securities	$ 18,592	$ 1,640