The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Acquisitions - Additional Information (Detail) - USD ($)			3 Months Ended
	Feb. 10, 2022	Nov. 30, 2021	Mar. 31, 2022
Business Acquisition [Line Items]
Cash consideration			$ 3,137,758
RWS [Member]
Business Acquisition [Line Items]
Total purchase price		$ 33,000,000.0
Cash consideration		$ 32,048,438
Independent Environmental Services Company [Member]
Business Acquisition [Line Items]
Cash consideration	$ 3,350,000