Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 307,499	$ 504,446	$ 681,813
Available for sale securities:
Change in net unrealized gains	16	128	2,881
Less: reclassification adjustment for net gains included in net income	0	(7)	(580)
Net change (net of tax effect)	16	121	2,301
Gain (loss) on pension liability	4,898	(1,337)	(1,127)
Cash flow hedges:
Change in unrealized (losses) gains	(1,459)	2,363	237
Less: reclassification adjustment for net (gains) losses included in net income	(2,702)	331	1,616
Net change (net of tax effect)	(4,161)	2,694	1,853
Other comprehensive income	753	1,478	3,027
Comprehensive income	$ 308,252	$ 505,924	$ 684,840