CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 474,730	$ 127,588
Other comprehensive (loss) income:
Foreign currency translation	(8,540)	3,827
Unrealized (loss) gain on available for sale securities	(51,699)	9,291
Derivative instruments	(18,587)	(5,438)
Total other comprehensive (loss) income	(78,826)	7,680
Comprehensive income	395,904	135,268
Comprehensive (loss) income attributable to noncontrolling interests	(8,369)	1,803
Comprehensive income attributable to common stockholders	$ 404,273	$ 133,465

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, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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