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Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Apr. 01, 2020	Dec. 31, 2019
Disaggregation Of Revenue [Line Items]
Contract assets, current	$ 9,345			$ 9,448
Contract assets, long term	12,772			11,807
Impairment loss of contract assets	468	$ 448
ASC 606
Disaggregation Of Revenue [Line Items]
Deferred revenue	3,100
ASC 606 \| Other Assets - Current
Disaggregation Of Revenue [Line Items]
Contract assets, current	9,300			9,400
ASC 606 \| Other Assets Noncurrent
Disaggregation Of Revenue [Line Items]
Contract assets, long term	$ 12,800			$ 11,800
Subsequent Event
Disaggregation Of Revenue [Line Items]
Revenue, remaining performance obligation			$ 376,100