Accumulated other comprehensive loss - Components of Changes in Accumulated Other Comprehensive Loss (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 503,124
Accumulated Other Comprehensive Loss Reclassification Adjustment [Abstract]
Ending Balance	458,294
Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(4,074)
Other comprehensive income	1,746
Accumulated Other Comprehensive Loss Reclassification Adjustment [Abstract]
Ending Balance	(2,328)
Neo Medical [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(228)
Accumulated Other Comprehensive Loss Reclassification Adjustment [Abstract]
Ending Balance	(228)
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(4,302)
Other comprehensive income	1,746
Accumulated Other Comprehensive Loss Reclassification Adjustment [Abstract]
Ending Balance	$ (2,556)