Acquisitions and Dispositions - Summary of Intangible Assets and Amortization Periods (Details) - USD ($) $ in Thousands		9 Months Ended	18 Months Ended
	Jun. 28, 2019	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2021	Apr. 06, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Non-compete agreement		$ 517,146	$ 517,146	$ 516,240
Permits
Acquired Finite-Lived Intangible Assets [Line Items]
Non-compete agreement		308,705	308,705	309,069
Air rights
Acquired Finite-Lived Intangible Assets [Line Items]
Non-compete agreement		26,139	26,139	26,139
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Non-compete agreement		$ 30,779	30,779	30,738
Clean Earth
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination Provisional Information Initial Accounting Incomplete Adjustment Permits			(6,000)
Business Combination Provisional Information Initial Accounting Incomplete Adjustment Customer Relationships			(12,900)
Measurement Period Adjustments			(18,900)
Clean Earth
Acquired Finite-Lived Intangible Assets [Line Items]
Total identifiable intangible assets	$ 261,100			242,200
Clean Earth | Permits
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	18 years
Total identifiable intangible assets	$ 176,100			170,100
Clean Earth | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	8 years
Total identifiable intangible assets	$ 33,400			20,500
Clean Earth | Air rights
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	27 years
Total identifiable intangible assets	$ 25,600			25,600
Clean Earth | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	12 years
Total identifiable intangible assets	$ 26,000			26,000
Clean Earth | Clean Earth
Acquired Finite-Lived Intangible Assets [Line Items]
Total identifiable intangible assets	$ 261,100			242,200
Measurement Period Adjustments			$ (18,900)
ESOL | Permits
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period		22 years
Total identifiable intangible assets				138,000	$ 138,000
ESOL | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period		10 years
Total identifiable intangible assets				23,000	23,000
ESOL | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period		4 years
ESOL | Clean Earth
Acquired Finite-Lived Intangible Assets [Line Items]
Total identifiable intangible assets				161,000	161,000
Measurement Period Adjustments		$ 0
Non-compete agreement				2,500	2,500
Business Combination, Recognized Identifiable Intangible Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles, Including Non-Compete				$ 163,500	$ 163,500
ESOL | Clean Earth | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination Provisional Information Initial Accounting Incomplete Adjustment Permits		0
Business Combination Provisional Information Initial Accounting Incomplete Adjustment Customer Relationships		0
Measurement Period Adjustments		0
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments, Intangibles, Including Non-Compete		$ 0