CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (204,653)	$ (7,746)
Amounts related to available for sale securities:
Change in net unrealized gain or loss	(65,770)	43,476
Reclassification adjustment for amounts included in net loss	66,864
Amounts related to cash flow hedges:
Change in net unrealized gain or loss	(21,251)	(8,551)
Reclassification adjustment for amounts included in net loss	480	(10,571)
Other comprehensive income	(19,677)	24,354
Comprehensive (loss) income	$ (224,330)	$ 16,608

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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