Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 2,984	$ 24,073	$ 12,642	$ 61,926
Other comprehensive income (loss):
Currency translation adjustment	551	(455)	325	(489)
Unrealized gain (loss) on derivative instruments	684	(223)	(3,088)	(1,907)
Net gain (loss) recognized in other comprehensive income (loss)	1,235	(678)	(2,763)	(2,396)
Tax (expense) benefit related to items of other comprehensive income (loss)	(273)	153	612	541
Other comprehensive income (loss)	962	(525)	(2,151)	(1,855)
Total comprehensive income	$ 3,946	$ 23,548	$ 10,491	$ 60,071

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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