Accumulated Other Comprehensive Income (Loss) - Changes in 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]
Balance beginning	$ 6,175	$ (47,916)	$ (14,981)	$ (17,310)
Total other comprehensive income (loss)	(5,086)	14,728	8,073	28,765
Balance ending	278,304	(33,427)	278,304	(33,427)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance beginning	11,503	(5,077)	(4,205)	(20,061)
Other comprehensive income (loss) before reclassifications	(6,517)	15,931	9,191	30,915
Total other comprehensive income (loss)	(6,517)	15,931	9,191	30,915
Balance ending	4,986	10,854	4,986	10,854
Derivative Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance beginning	(1,004)	(996)	1,545	(49)
Other comprehensive income (loss) before reclassifications	1,390	(2,803)	(1,410)	(5,703)
Amounts reclassified from accumulated other comprehensive loss	41	1,600	292	3,553
Total other comprehensive income (loss)	1,431	(1,203)	(1,118)	(2,150)
Balance ending	427	(2,199)	427	(2,199)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance beginning	10,499	(6,073)	(2,660)	(20,110)
Other comprehensive income (loss) before reclassifications	(5,127)	13,128	7,781	25,212
Amounts reclassified from accumulated other comprehensive loss	41	1,600	292	3,553
Total other comprehensive income (loss)	(5,086)	14,728	8,073	28,765
Balance ending	$ 5,413	$ 8,655	$ 5,413	$ 8,655