CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)
Net income	$ 86,741	$ 20,049	$ 144,434	$ 58,914
Other comprehensive income (loss), net of tax:
Net change in pensions and other benefits				(96)
Net change in investment securities	13,733	48,602	(61,306)	84,576
Other comprehensive income (loss)	13,733	48,602	(61,306)	84,480
Total comprehensive income	$ 100,474	$ 68,651	$ 83,128	$ 143,394