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Accumulated Other Comprehensive Loss - Components of Changes in Accumulated Other Comprehensive Loss (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 356,864
Ending Balance	354,818
Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	1,833
Other comprehensive loss	(1,027)
Ending Balance	806
Neo Medical [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	1,419
Other comprehensive loss	(726)
Income taxes	180
Ending Balance	873
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	3,252
Other comprehensive loss	(1,753)
Income taxes	180
Ending Balance	$ 1,679

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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