Equity (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($)
Changes in Accumulated Other Comprehensive Income (Loss)
Beginning balance	$ 147,976
Other comprehensive (loss) income before reclassifications	(178)
Effective portion reclassified to Net Income	168
Ending balance	197,363
Foreign Currency Translation Adjustments
Changes in Accumulated Other Comprehensive Income (Loss)
Beginning balance	(11,062)
Other comprehensive (loss) income before reclassifications	(1,900)
Effective portion reclassified to Net Income	0
Ending balance	(12,962)
Cash Flow Hedge
Changes in Accumulated Other Comprehensive Income (Loss)
Beginning balance	214
Other comprehensive (loss) income before reclassifications	1,722
Effective portion reclassified to Net Income	168
Ending balance	2,104
Total
Changes in Accumulated Other Comprehensive Income (Loss)
Beginning balance	(10,848)
Ending balance	$ (10,858)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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