CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 111,488	$ (22,053)	$ 49,153
Other comprehensive income (loss):
Cash flow hedges	0
Cash flow hedges		0	333
Foreign currency translation adjustment, net of $0 tax in all periods	22,397	(18,121)	16,713
Other comprehensive income (loss)	22,397	(18,121)	17,046
Comprehensive income (loss)	$ 133,885	$ (40,174)	$ 66,199

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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