CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Income and Comprehensive Income
Net income	$ 158,979	$ 211,686
Other comprehensive (loss) income before tax:
Foreign currency translation adjustment	(5,245)	(2,858)
Adjustment of pension and postretirement benefit plans	0	2,030
Amortization of net losses of pension and postretirement benefit plans	4,813	3,911
Unrealized holding gains (losses) on debt securities arising during the period	213,318	(1,219,023)
Amortization of unrealized losses of debt securities transfer from available-for-sale to held-to-maturity	42,040	0
Unrealized net (losses) gains on cash flow hedges	(30)	3,888
Reclassification adjustment for net gains included in net income	(41)	(699)
Other comprehensive income (loss) before tax	254,855	(1,212,751)
Income tax (expense) benefit	(31,752)	140,582
Total other comprehensive income (loss), net of tax	223,103	(1,072,169)
Comprehensive income (loss), net of tax	$ 382,082	$ (860,483)