Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ 837	$ (1,159)	$ (9,917)	$ (1,537)
Other comprehensive income (loss), net of reclassification adjustments:
Unrealized gains (losses) on interest rate swap contracts	(153)	0	29	0
Foreign currency translation adjustments	1,076	(4,467)	1,999	(4,794)
Other comprehensive income (loss)	923	(4,467)	2,028	(4,794)
Comprehensive income (loss)	$ 1,760	$ (5,626)	$ (7,889)	$ (6,331)

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 after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, 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.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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