Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	$ (9,038)	$ 19,665
Tax Benefit (Expense)	2,242	(4,198)
Net of Tax Amount	(6,796)	15,467
Change in net unrealized gains (losses) on available-for-sale debt securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	(5,783)	14,060
Tax Benefit (Expense)	1,455	(3,001)
Net of Tax Amount	(4,328)	11,059
Change in interest rate swap
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	(3,665)	6,080
Tax Benefit (Expense)	827	(1,298)
Net of Tax Amount	(2,838)	4,782
Adjustment to funded status of employee benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	410	(475)
Tax Benefit (Expense)	(40)	101
Net of Tax Amount	$ 370	$ (374)