CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 14,267	$ 14,640	$ 46,088	$ 52,523
Other comprehensive loss:
Net change in unrealized gains on available-for-sale securities, net of tax	(24,231)	(5,139)	(139,095)	(20,352)
Net decrease in fair value, tax (expense) benefit	2,560	467	8,324	3,267
Net gain on postretirement plans, net of tax	181	171	544	512
Other comprehensive loss	(21,490)	(4,501)	(130,227)	(16,573)
Comprehensive (Loss) Income	$ (7,223)	$ 10,139	$ (84,139)	$ 35,950