Accumulated Other Comprehensive Loss - Schedule of Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 158,172	$ 143,814	$ 158,088	$ 151,600
Other comprehensive income (loss) activity during the period:
Foreign currency translation	885	594	(1,035)	164
Unrealized loss before reclassification	(136)		(1,308)
Reclassification of realized losses to income	181		172
Other comprehensive income (loss) for the period	930	594	(2,171)	164
Ending Balance	173,409	149,686	173,409	149,686
Interest Rate Swap [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(1,285)		(104)
Other comprehensive income (loss) activity during the period:
Unrealized loss before reclassification	(136)		(1,308)
Reclassification of realized losses to income	181		172
Other comprehensive income (loss) for the period	45		(1,136)
Ending Balance	(1,240)		(1,240)
Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(6,673)	(5,584)	(4,753)	(5,154)
Other comprehensive income (loss) activity during the period:
Foreign currency translation	885	594	(1,035)	164
Other comprehensive income (loss) for the period	885	594	(1,035)	164
Ending Balance	(5,788)	(4,990)	(5,788)	(4,990)
Total Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(7,958)	(5,584)	(4,857)	(5,154)
Other comprehensive income (loss) activity during the period:
Other comprehensive income (loss) for the period	930	594	(2,171)	164
Ending Balance	$ (7,028)	$ (4,990)	$ (7,028)	$ (4,990)