Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 3,209	$ 2,745	$ 5,910	$ 5,630
Other comprehensive income (loss)
Unrealized (losses) gains arising during the period	(3,607)	1,649	(10,145)	(1,958)
Amortization of discount on securities transferred to held-to-maturity	75	16	173	32
Income tax effect	742	(350)	2,094	405
Other comprehensive income (loss)	(2,790)	1,315	(7,878)	(1,521)
Total comprehensive income (loss)	$ 419	$ 4,060	$ (1,968)	$ 4,109