Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pre-Tax Amount
Change in net unrealized losses on available-for-sale debt securities	$ (42,741)	$ (5,676)	$ (114,011)	$ (15,065)
Change in interest rate swap	(16,852)	0	(22,724)	0
Adjustment to funded status of employee benefit plans	(1,170)	(215)	(416)	2,351
Other Comprehensive Loss	(60,763)	(5,891)	(137,151)	(12,714)
Tax Benefit
Change in net unrealized losses on available-for-sale debt securities	9,121	1,211	24,325	3,215
Change in interest rate swap	3,596	0	4,849	0
Adjustment to funded status of employee benefit plans	250	46	100	(501)
Other Comprehensive Loss	12,967	1,257	29,274	2,714
Net of Tax Amount
Change in net unrealized losses on available-for-sale debt securities	(33,620)	(4,465)	(89,686)	(11,850)
Change in interest rate swap	(13,256)	0	(17,875)	0
Adjustment to funded status of employee benefit plans	(920)	(169)	(316)	1,850
Other Comprehensive Loss	$ (47,796)	$ (4,634)	$ (107,877)	$ (10,000)