CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Comprehensive income
Net income	$ 144,196	$ 217,492	$ 498,297	$ 4,177,723
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period	1,709	227	5,216	(4,240)
Losses reclassified into earnings from other comprehensive income	4,768	4,340	14,019	37,262
Other comprehensive income (loss) – foreign currency:
Currency translation adjustments arising during the period		214		264
Other comprehensive income	6,477	4,781	19,235	33,286
Comprehensive income	150,673	222,273	517,532	4,211,009
Comprehensive (income) attributable to Noncontrolling Interests	(6,201)	(9,362)	(20,983)	(164,096)
Comprehensive income attributable to controlling interests	$ 144,472	$ 212,911	$ 496,549	$ 4,046,913