Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Amounts Related to Goodwill

Amounts related to goodwill as of December 31, are as follows:

	Assessment, Permitting and Response			Measurements and Analysis		Remediation and Reuse		Total
Balance as of December 31, 2021	$	176,541		$	83,770	$	51,633	$	311,944
Goodwill acquired during the year		9,474			2,155		914		12,543
Acquisitions measurement period adjustments		(899	)		280		—		(619	)
Balance as of December 31, 2022	$	185,116		$	86,205	$	52,547	$	323,868

Schedule of Amounts Related to Finite-Lived Intangible Assets

Amounts related to finite-lived intangible assets as of December 31, are as follows:

2022	Estimated Useful Life	Gross Balance		Accumulated Amortization		Total Intangible Assets—Net
Finite lived intangible assets
Customer relationships	2–15 years	$	208,024	$	95,768	$	112,256
Covenants not to compete	4–5 years		33,542		28,280		5,262
Trade names	1–5 years		22,061		18,256		3,805
Proprietary software	3–5 years		22,698		15,810		6,888
Patent	16 years		17,479		3,583		13,896
Total other intangible assets—net		$	303,804	$	161,697	$	142,107

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 ending December 31:

2023		28,937
2024		24,288
2025		17,414
2026		13,827
2027		13,505
Thereafter		44,136
Total	$	142,107