Acquisitions and Joint Ventures - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jun. 04, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jul. 31, 2020
Business Acquisition Contingent Consideration [Line Items]
Acquisition of equity	100.00%
Contingent consideration	$ 10,300
Fair value	$ 600
Increase in estimated fair value of earnout		$ 1,700
Amortizationand earout expenses		1,200
EIS revenue		8,100
Net revenue		(800)
Assets Current		183,485	$ 179,498
Liabilities		215,703	215,620
Pre tax loss		11,844	$ 13,344	$ 2,497
Joint Venture Agreement | Joint Venture Agreement
Business Acquisition Contingent Consideration [Line Items]
Percentage of equity hold in joint venture					70.00%
Voting interest in joint venture					50.00%
Non controlling equity interest					30.00%
Net assets acquired					$ 1,000
Assets Current		6,400
Long-Lived Assets		8,900
Liabilities		7,600
Revenues		7,700
Pre tax loss		(200)
Customer Lists [Member]
Business Acquisition Contingent Consideration [Line Items]
Acquired intangible assets		4,200
Tradename [Member]
Business Acquisition Contingent Consideration [Line Items]
Acquired intangible assets		$ 600
Intangible assets, Useful Life		10 years
Customer Lists and Tradename [Member]
Business Acquisition Contingent Consideration [Line Items]
Intangible assets, Useful Life		10 years