Consolidated Statements of Comprehensive (Loss) Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 4,489	$ 4,892	$ 11,098	$ 10,731
Investment securities available-for-sale:
Change in unrealized (losses) gains on investment securities available-for-sale, net of tax	(11,426)	1,748	(31,008)	(1,030)
Adjustment for gains on sale of investment securities, net of tax	0	0	0	(2)
Defined benefit pension plans:
Amortization of prior service cost included in net periodic pension cost, net of tax	0	110	0	145
Total other comprehensive (loss) income	(11,426)	1,858	(31,008)	(887)
Total comprehensive (loss) income	$ (6,937)	$ 6,750	$ (19,910)	$ 9,844