Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)		$ 8,246	$ (974)	$ 25,414	$ (10,295)
Currency translation adjustment—net of tax	[1]		(57)		1,304
Net change in cash flow derivative hedges—net of tax	[2]	237	(127)	2,977	(861)
Other comprehensive income (loss)—net of tax		237	(184)	2,977	443
Comprehensive income (loss)		$ 8,483	$ (1,158)	$ 28,391	$ (9,852)

[1] Net of income tax (provision) benefit of $5 and $(530) for the three and six months ended June 30, 2018 respectively.

[2] Net of income tax benefit of $84 and income tax provision of $(689) for the three months ended June 30, 2019 and 2018, respectively. Net of income tax benefit of $1,055 and income tax provision of $(949) for the six months ended June 30, 2019 and 2018 respectively.