Accumulated Other Comprehensive Income (Loss) ("AOCI/L") - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 173,409	$ 149,686	$ 158,088	$ 151,600
Other comprehensive income (loss) activity during the period:
Foreign currency translation	2,577	(1,614)	1,542	(1,450)
Unrealized loss before reclassification	(23)		(1,330)
Reclassification of AOCI/L to income	228		399
Other comprehensive income (loss) for the period	2,782	(1,614)	611	(1,450)
Ending Balance	174,708	147,652	174,708	147,652
Interest Rate Swap [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(1,240)		(104)
Other comprehensive income (loss) activity during the period:
Unrealized loss before reclassification	(23)		(1,330)
Reclassification of AOCI/L to income	228		399
Other comprehensive income (loss) for the period	205		(931)
Ending Balance	(1,035)		(1,035)
Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(5,788)	(4,990)	(4,753)	(5,154)
Other comprehensive income (loss) activity during the period:
Foreign currency translation	2,577	(1,614)	1,542	(1,450)
Other comprehensive income (loss) for the period	2,577	(1,614)	1,542	(1,450)
Ending Balance	(3,211)	(6,604)	(3,211)	(6,604)
Total Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(7,028)	(4,990)	(4,857)	(5,154)
Other comprehensive income (loss) activity during the period:
Other comprehensive income (loss) for the period	2,782	(1,614)	611	(1,450)
Ending Balance	$ (4,246)	$ (6,604)	$ (4,246)	$ (6,604)