Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 19,186	$ 3,050
Other comprehensive (loss) income, before income tax:
Unrealized foreign currency translation (loss) gain	(7)	14
Other comprehensive (loss) income, before income taxes	(7)	14
Income tax (benefit) expense related to items of other comprehensive (loss) income	0	0
Other comprehensive (loss) income, net of tax	(7)	14
Comprehensive income	19,179	3,064
Less: Net income attributable to noncontrolling interest in subsidiary	164	116
Comprehensive income attributable to common shareholders	$ 19,015	$ 2,948

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, on 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, attributable to parent entity.

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