CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Comprehensive income:
Net income	$ 220,548	$ 149,941
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period	6,087
Losses reclassified into earnings from other comprehensive income	4,791	4,583
Other comprehensive income (loss)	10,878	4,583
Comprehensive income	231,426	154,524
Comprehensive (income) attributable to Noncontrolling Interests	(9,139)	(6,366)
Comprehensive income attributable to controlling interests	$ 222,287	$ 148,158

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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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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