Condensed Consolidated Statements of Comprehensive Income (Unuaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 181,222	$ 110,348
Available for sale securities:
Change in net unrealized gains	155	2,188
Less: reclassification adjustment for net gains included in net income	(13)	(558)
Net change (net of tax effect)	142	1,630
Gain on pension liability	8	0
Cash flow hedges:
Change in unrealized (losses) gains	(2,585)	147
Less: reclassification adjustment for net (gains) losses included in net income	(248)	894
Net change (net of tax effect)	(2,833)	1,041
Other comprehensive (loss) income	(2,683)	2,671
Comprehensive income	$ 178,539	$ 113,019

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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