Significant Accounting Policies - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jan. 01, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)
Schedule Of Significant Accounting Policies Summary [Line Items]
Number of reportable segments | segment	2	2
Other (expense) income	$ (2,225)	$ 1,311	$ 1,943
Depreciation expense	13,562	$ 13,971	13,875
Operating lease right-of-use asset, net	34,960			$ 23,333	$ 22,097	$ 19,793	$ 21,200	$ 0	$ 0	$ 0
Lease liability	$ 37,034						22,200
Forward Contracts | Minimum
Schedule Of Significant Accounting Policies Summary [Line Items]
Foreign exchange contract term	1 month
Forward Contracts | Maximum
Schedule Of Significant Accounting Policies Summary [Line Items]
Foreign exchange contract term	18 months
Customer Concentration Risk | Accounts Receivable
Schedule Of Significant Accounting Policies Summary [Line Items]
Percentage of major customer net receivables to total receivables (as a percent)	62.00%	66.00%
Accounting Standards Update 2016-02
Schedule Of Significant Accounting Policies Summary [Line Items]
Cumulative effect of new accounting principle in period of adoption							72
Retained Earnings
Schedule Of Significant Accounting Policies Summary [Line Items]
Cumulative effect of new accounting principle in period of adoption							72
Retained Earnings | Accounting Standards Update 2016-02
Schedule Of Significant Accounting Policies Summary [Line Items]
Cumulative effect of new accounting principle in period of adoption							$ 72
Restatement Adjustments
Schedule Of Significant Accounting Policies Summary [Line Items]
Other (expense) income		$ 0	0
Operating lease right-of-use asset, net				$ 0	$ 0	$ 0		$ 0	$ 0	$ 0
Restatement Adjustments | Accounting Standards Update 2017-07
Schedule Of Significant Accounting Policies Summary [Line Items]
Other (expense) income		$ 500	$ 300