CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net unrealized (losses) gains arising during the period, net of tax (benefit) expense	$ 40,491	$ (40,270)	$ 24,984	$ (36,278)
Amortization of net unrealized losses on available-for-sale securities reclassified to held-to-maturity, net of tax benefit	(1,252)	(1,379)	(3,613)	(4,080)
Change in unfunded pension liability related to unrealized gain and prior service cost, net of tax expense	(17)	(16)	(72)	(44)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	3,386	(508)	1,169	(869)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	0	(9)	0	(34)
Net change in other comprehensive income of equity method investments, net of tax benefit	$ 1	$ 61	$ (18)	$ 28