CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Unrealized gains (losses)	$ 16,740	$ (87,132)
Amortization of unrealized losses (gains) on securities reclassified to held-to-maturity, tax expense	(1,315)	9
Change in unfunded pension liability related to unrealized loss, prior service cost and transition obligation, tax benefit	(11)	9
Reclassification adjustment related to derivatives, tax expense	105	0
Amortization of unrealized gain on terminated cash flow hedges, tax benefit	13	13
Equity method investment tax benefit	$ (1)	$ 0