Acquisitions and Joint Ventures - Additional Information (Detail) - USD ($)		3 Months Ended		12 Months Ended
	Jun. 04, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Jul. 31, 2020
Business Acquisition Contingent Consideration [Line Items]
Acquisition of equity	100.00%
Contingent consideration	$ 10,300,000
Fair value	$ 600,000
Increase in estimated fair value of earnout				$ 1,700,000
Earn-out liability		$ 900,000
EIS revenue		2,700,000
Net revenue		200,000
Assets Current		181,496,000		183,485,000
Liabilities		208,006,000		$ 215,703,000
Pre tax loss		1,849,000	$ 4,191,000
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					$ 1,000,000.0
Assets Current		5,900,000
Long-Lived Assets		8,800,000
Liabilities		6,400,000
Revenues		4,900,000
Pre tax loss		600,000
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		$ 600,000
Customer Lists And Trade Name
Business Acquisition Contingent Consideration [Line Items]
Intangible assets, Useful Life		10 years