CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income (loss)	$ 34,531	$ (21,034)
Other comprehensive income (loss):
Change in net unrealized gain (loss) during the period	(70,131)	(15,534)
Reclassification adjustment for net gains included in net gain on sale of securities and other assets		(1,187)
Accretion of net unrealized loss on securities transferred to held to maturity	170
Change in pension and other postretirement obligations:
Reclassification adjustment for expense included in other expense	(934)	(422)
Reclassification adjustment for curtailment loss		1,543
Change in the net actuarial gain (loss)	997	885
Change in unrealized gain (loss) on derivatives:
Change in net unrealized gain or loss during the period	6,852	4,948
Reclassification adjustment for loss included in loss on termination of derivatives		16,505
Reclassification adjustment for expense included in interest expense	31	854
Other comprehensive (loss) income before income taxes	(63,015)	7,592
Deferred tax (benefit) expense	(19,816)	1,137
Total other comprehensive (loss) income, net of tax	(43,199)	6,455
Total comprehensive loss	$ (8,668)	$ (14,579)