CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net (Loss) Income	$ (943,398)	$ 54,464
Other comprehensive loss:
Net unrealized (loss) gain on available-for-sale securities	(80,519)	6,718
Reclassification of unrealized gain on available-for-sale securities to net income	(13,798)	(9,493)
Net unrealized loss on interest rate agreements	(32,806)	(5,838)
Reclassification of unrealized loss on interest rate agreements to net income	79	0
Total other comprehensive loss	(127,044)	(8,613)
Total Comprehensive (Loss) Income	$ (1,070,442)	$ 45,851