Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Amounts Related to Goodwill

Amounts related to goodwill are as follows:

	Assessment, Permitting and Response			Measurement and Analysis		Remediation and Reuse		Total
Balance as of December 31, 2021	$	176,541		$	83,770	$	51,633	$	311,944
Goodwill acquired during the period		3,746			—		150		3,896
Acquisitions measurement period adjustments		(510	)		296		—		(214	)
Balance as of June 30, 2022	$	179,777		$	84,066	$	51,783	$	315,626

Schedule of Amounts Related to Finite-Lived Intangible Assets

Amounts related to finite-lived intangible assets are as follows:

June 30, 2022	Estimated Useful Life	Gross Balance		Accumulated Amortization		Total Intangible Assets—Net
Finite lived intangible assets
Customer relationships	2-15 years	$	202,212	$	85,508	$	116,704
Covenants not to compete	4-5 years		32,941		26,741		6,200
Trade names	1-5 years		21,422		16,676		4,746
Proprietary software	3-5 years		22,224		13,633		8,591
Patent	16 years		17,479		3,036		14,443
Total other intangible assets    —net		$	296,278	$	145,594	$	150,684

December 31, 2021	Estimated Useful Life	Gross Balance		Accumulated Amortization		Total Intangible Assets—Net
Finite lived intangible assets
Customer relationships	2-15 years	$	196,323	$	74,010	$	122,313
Covenants not to compete	4-5 years		32,622		25,113		7,509
Trade names	1-5 years		20,403		15,139		5,264
Proprietary software	3-5 years		22,077		11,155		10,922
Patent	16 years		17,479		2,490		14,989
Total other intangible assets    —net		$	288,904	$	127,907	$	160,997

Schedule of Future Amortization Expense

Future amortization expense is estimated to be as follows for each of the five following years and thereafter:

December 31,
2022 (remaining)		15,868
2023		27,532
2024		23,005
2025		16,412
2026 and thereafter		67,867
Total	$	150,684