CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 12,389	$ 15,026	$ 25,116	$ 31,821
Other comprehensive income (loss):
Net change in unrealized gains on available-for-sale securities, net of tax	(5,384)	(42,053)	3,710	(114,864)
Net decrease in fair value, tax (expense) benefit	2,927	2,819	322	5,764
Net gain on postretirement plans, net of tax	(6)	181	(11)	363
Other comprehensive (loss) income	(2,463)	(39,053)	4,021	(108,737)
Comprehensive Income (Loss)	$ 9,926	$ (24,027)	$ 29,137	$ (76,916)