Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income, Before tax amount	$ 19,586	$ 20,453	$ 14,645
Net unrealized holding (losses)/gains on available-for-sale securities:
Unrealized holding (losses)/gains arising during the period, Before tax amount	(98,097)	(11,867)	6,850
Reclassification adjustment for losses/(gains) included in net income, Before tax amount	139	(18)	(24)
Other comprehensive income (loss), Before tax amount	(97,958)	(11,885)	6,826
Unrealized holding (losses)/gains arising during the period, Tax expense (benefit)	(20,600)	(2,492)	1,439
Reclassification adjustment for losses/(gains) included in net income, Tax expense (benefit)	29	(4)	(5)
Other comprehensive income (loss), Tax expense (benefit)	(20,571)	(2,496)	1,434
Unrealized holding (losses)/gains arising during the period, Net of tax amount	(77,497)	(9,375)	5,411
Reclassification adjustment for losses/(gains) included in net income, Net of tax amount	110	(14)	(19)
Other comprehensive income (loss), Net of tax amount	(77,387)	(9,389)	5,392
Total comprehensive (loss) income, Before Tax amount	(78,372)	8,568	21,471
Tax expense (benefit)	3,665	3,961	2,562
Total comprehensive (loss) income, Tax expense (benefit)	(16,906)	1,465	3,996
Net income	15,921	16,492	12,083
Total comprehensive (loss) income, Net of tax amount	$ (61,466)	$ 7,103	$ 17,475