Acquisitions, Goodwill, and Other Intangible Assets, Net - Acquisitions - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	May 31, 2022 shares	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 shares	Sep. 30, 2023 USD ($) acquisition shares	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) yr acquisition shares
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired					$ 68,817	$ 71,841
Fair value gain related to resolved contingent payments		$ 0	$ 143		$ 0	1,459
Equipment Company Acquisition One
Business Acquisition [Line Items]
Variable interest entity, percent					68.00%
Equipment Company Acquisition Two
Business Acquisition [Line Items]
Variable interest entity, percent					42.00%
Discount Rate
Business Acquisition [Line Items]
Business combinations, contingent consideration, earn-out period (in years)		0.140			0.140
6.625% Senior Notes | Senior Notes
Business Acquisition [Line Items]
Debt instrument, interest rate (percentage)		6.625%			6.625%
2023 Acquisitions
Business Acquisition [Line Items]
Business combinations, number of acquisitions | acquisition					2
Cash paid for acquisitions, net of cash acquired					$ 69,000
Estimated fair value of contingent consideration		$ 1,000			1,000
Acquisition-related contingent consideration liabilities, range of potential undiscounted earn-out liabilities, high		3,000			3,000
Business acquisition, goodwill, expected tax deductible amount		1,000			$ 1,000
Business acquisition, number of shares issued (in shares) | shares					120,000
2022 Acquisitions
Business Acquisition [Line Items]
Business combinations, number of acquisitions | acquisition							5
Cash paid for acquisitions, net of cash acquired					$ 613,200
Estimated fair value of contingent consideration		2,800			2,800		$ 3,000
Acquisition-related contingent consideration liabilities, range of potential undiscounted earn-out liabilities, high		2,000			2,000
Business acquisition, goodwill, expected tax deductible amount		37,000			37,000
Amortizing intangible assets		368,100			368,100
2022 Acquisitions | Expected Term
Business Acquisition [Line Items]
Business combinations, contingent consideration, earn-out period (in years) | yr							5
IEA
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired					564,500
Estimated fair value of contingent consideration		0			0
Amortizing intangible assets		362,200			$ 362,200
Amortizing intangible assets, weighted average useful life							13 years
Equity interest issued, number of shares | shares					2,700,000
Business acquisition, equity interest issued or issuable, value assigned							$ 174,000
Cash acquired from acquisition					$ 44,000
Fair value of warrants outstanding							3,100
IEA | Infrastructure Energy Alternatives, Inc. Warrants
Business Acquisition [Line Items]
Fair value gain related to resolved contingent payments					2,600
IEA | 6.625% Senior Notes | Senior Notes
Business Acquisition [Line Items]
Debt assumed in acquisition							300,000
IEA | Trade Names and Customer Relationships
Business Acquisition [Line Items]
Amortizing intangible assets							$ 321,000
IEA | Customer Relationships
Business Acquisition [Line Items]
Amortizing intangible assets, weighted average useful life							14 years
IEA | Trade Names
Business Acquisition [Line Items]
Amortizing intangible assets, weighted average useful life							14 years
IEA | Backlog
Business Acquisition [Line Items]
Amortizing intangible assets							$ 42,000
Amortizing intangible assets, weighted average useful life							1 year
All other
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired					48,700
Estimated fair value of contingent consideration		2,800			2,800
Amortizing intangible assets		5,900			5,900
Amortizing intangible assets, weighted average useful life							9 years
HMG
Business Acquisition [Line Items]
Business acquisition, number of shares issued (in shares) | shares				133,000
HMG | Contingent Consideration, Value Of Common Stock
Business Acquisition [Line Items]
Unrealized gain (loss) included in other income		7,400	$ 1,300		2,100	$ 4,500
Reduction in unrealized gain (loss) from changes in collections attributed to acquired balances					$ 2,400
Business acquisition, number of shares issued (in shares) | shares	133,157				160,000		170,000
HMG | Contingent Consideration, Collections From Acquired Receivables
Business Acquisition [Line Items]
Estimated fair value of contingent consideration		$ 19,400			$ 19,400
Unrealized gain (loss) included in other income					$ 6,300
Business acquisition, number of shares issued (in shares) | shares					87,900