CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 12,727	$ 16,795
Other comprehensive income (loss):
Net change in unrealized gains on available-for-sale securities, net of tax	9,094	(72,811)
Net decrease in fair value, tax (expense) benefit	(2,605)	2,945
Net gain on postretirement plans, net of tax	(5)	182
Other comprehensive income (loss)	6,484	(69,684)
Comprehensive Income (Loss)	$ 19,211	$ (52,889)