CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Income and Comprehensive Income
Net income	$ 103,283	$ 158,979
Other comprehensive (loss) income before tax:
Foreign currency translation adjustment	(4,020)	(5,245)
Amortization of net losses of pension and postretirement benefit plans	3,618	4,813
Unrealized holding (losses) gains on debt securities arising during the period	(73,030)	213,318
Amortization of unrealized losses of debt securities transfer from available-for-sale to held-to-maturity	44,009	42,040
Unrealized net gains (losses) on cash flow hedges	0	(30)
Reclassification adjustment for net gains included in net income	0	(41)
Other comprehensive (loss) income before tax	(29,423)	254,855
Income tax expense	(8,232)	(31,752)
Total other comprehensive (loss) income, net of tax	(37,655)	223,103
Comprehensive income, net of tax	$ 65,628	$ 382,082