Aggregate fair value and gross unrealized loss of securities that have been in a continous unrealized loss position (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Aggregate Fair Value Gross Unrealized Loss Of Securities Less Than 12 Months Fair Value [Member]
Available-for-sale
U.S. Treasury		$ 6,435
U.S. Government Agency notes	2,670	3,106
Municipal bonds	992	37,277
U.S. Government agencies and U.S. Government-sponsored enterprises	2,636	18,861
U.S. Government agencies
Corporate bonds	6,890	11,251
Total temporarily impaired securities	13,188	91,263
Aggregate Fair Value Gross Unrealized Loss Of Securities Less Than 12 Months Unrealized Losses [Member]
Available-for-sale
U.S. Treasury		484
U.S. Government Agency notes	46	158
Municipal bonds	22	5,950
U.S. Government agencies and U.S. Government-sponsored enterprises	25	1,559
U.S. Government agencies
Corporate bonds	1,110	1,249
Total temporarily impaired securities	1,203	11,182
Aggregate Fair Value Gross Unrealized Loss Of Securities 12 Months Or Longer Fair Value [Member]
Available-for-sale
U.S. Treasury	17,245	10,698
U.S. Government Agency notes	19,469	17,467
Municipal bonds	42,670	9,261
U.S. Government agencies and U.S. Government-sponsored enterprises	51,185	39,909
U.S. Government agencies	20,825
Corporate bonds	5,270	1,523
Total temporarily impaired securities	156,664	86,461
Aggregate Fair Value Gross Unrealized Loss Of Securities 12 Months Or Longer Unrealized Losses [Member]
Available-for-sale
U.S. Treasury	2,070	1,666
U.S. Government Agency notes	2,442	2,478
Municipal bonds	7,353	2,691
U.S. Government agencies and U.S. Government-sponsored enterprises	7,735	6,452
U.S. Government agencies	3,589
Corporate bonds	980	227
Total temporarily impaired securities	24,169	15,166
Aggregate Fair Value Gross Unrealized Loss Of Securities Total Fair Value [Member]
Available-for-sale
U.S. Treasury	17,245	17,133
U.S. Government Agency notes	22,139	20,573
Municipal bonds	43,662	46,538
U.S. Government agencies and U.S. Government-sponsored enterprises	53,821	58,770
U.S. Government agencies	20,825
Corporate bonds	12,160	12,774
Total temporarily impaired securities	169,852	177,724
Aggregate Fair Value Gross Unrealized Loss Of Securities Total Unrealized Losses [Member]
Available-for-sale
U.S. Treasury	2,070	2,150
U.S. Government Agency notes	2,488	2,636
Municipal bonds	7,375	8,641
U.S. Government agencies and U.S. Government-sponsored enterprises	7,760	8,011
U.S. Government agencies	3,589
Corporate bonds	2,090	1,476
Total temporarily impaired securities	$ 25,372	$ 26,348