Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	$ 202,960	$ 239,952	$ 238,604	$ 240,825
Other comprehensive (loss) income, net of taxes	(9,669)	(667)	(29,800)	(3,147)
Balance ending	195,439	238,419	195,439	238,419
Total [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	(21,940)	1,563	(1,809)	4,043
Balance ending	(31,609)	896	(31,609)	896
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	(21,670)	1,866	(1,536)	4,349
Other comprehensive (loss) income, net of taxes	(9,670)	(669)	(29,804)	(3,152)
Balance ending	(31,340)	1,197	(31,340)	1,197
Changes in Pension Plan Assets and Benefit Obligations [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	(270)	(303)	(273)	(306)
Other comprehensive (loss) income, net of taxes	1	2	4	5
Balance ending	$ (269)	$ (301)	$ (269)	$ (301)