CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 64,279	$ 65,101	$ 208,713	$ 124,015
Other comprehensive (loss) income, net of tax:
Net change in pensions and other benefits				(96)
Net change in investment securities	(31,761)	(1,477)	(93,067)	83,099
Other comprehensive (loss) income	(31,761)	(1,477)	(93,067)	83,003
Total comprehensive income	$ 32,518	$ 63,624	$ 115,646	$ 207,018