Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Comprehensive income	$ 119,586	$ 1,713	$ 120,615	$ 3,156
Less: comprehensive loss attributable to noncontrolling interests	(396)	0	(927)	0
Comprehensive income attributable to the Company	$ 119,982	$ 1,713	$ 121,542	$ 3,156

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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