Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	$ 235,303	$ 200,675
Other comprehensive income (loss), net of taxes	(1,287)	4,950
Reclassifications	169
Balance ending	233,663	204,072
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	(22,336)	(29,954)
Balance ending	(23,454)	(25,004)
Unrealized Losses on Available-for-Sale Debt Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	(22,281)	(29,927)
Other comprehensive income (loss), net of taxes	(1,287)	4,950
Reclassifications	169
Balance ending	(23,399)	(24,977)
Changes in Pension Plan Assets and Benefit Obligations
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning	(55)	(27)
Other comprehensive income (loss), net of taxes	0	0
Reclassifications	0
Balance ending	$ (55)	$ (27)