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Acquisitions - Narrative (Details) - USD ($) $ in Thousands |  |  | 1 Months Ended | 5 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 09, 2024 | Nov. 30, 2023 | Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Apr. 24, 2023 | May 31, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Cash paid to acquire business |  |  |  |  | $ 121,178 | $ 294,018 | $ 0 |  |
Total tangible assets acquired | $ 25,400 |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 214,465 | 214,465 | 155,004 |  |  |
Expected amortization expense, year one |  |  |  | 9,400 | 9,400 |  |  |  |
Expected amortization expense, year two |  |  |  | 9,000 | 9,000 |  |  |  |
Expected amortization expense, year three |  |  |  | 8,600 | 8,600 |  |  |  |
Expected amortization expense, year four |  |  |  | 8,400 | 8,400 |  |  |  |
Expected amortization expense, year five |  |  |  | 8,400 | 8,400 |  |  |  |
Expected amortization expense, thereafter |  |  |  | 84,100 | 84,100 |  |  |  |
Cash paid for purchase price adjustments on business acquisition |  |  |  |  | 13,183 | 0 | $ 0 |  |
Materials |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | 79,488 | 79,488 | 24,435 |  |  |
Constructions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | 134,977 | 134,977 | 130,569 |  |  |
The Credit Agreement |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  |  |  |  |  | $ 200,000
Revolving Credit Facility | The Credit Agreement |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  |  |  |  |  | $ 350,000
Outstanding letters of credit |  | $ 100,000 |  |  | 0 |  |  |  |
Secured Debt | The Term Loan | Line of Credit |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Credit facility capacity |  | 150,000 |  |  |  |  |  |  |
Dickerson & Bowen, Inc. |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Cash paid to acquire business | 125,500 |  |  |  |  |  |  |  |
Revenue since acquisition date |  |  |  | 37,800 |  |  |  |  |
Gross profit (loss) since acquisition date |  |  |  | 9,500 |  |  |  |  |
Purchase price | 121,200 |  |  |  |  |  |  |  |
Identifiable intangible assets | 27,900 |  |  |  |  |  |  |  |
Goodwill | 67,900 |  |  |  |  |  |  |  |
Property and equipment | 38,100 |  |  |  |  |  |  |  |
Intangible assets acquired |  |  |  | 27,900 | 27,900 |  |  |  |
Expected amortization expense, year one |  |  |  | 2,200 | 2,200 |  |  |  |
Expected amortization expense, year two |  |  |  | 1,800 | 1,800 |  |  |  |
Expected amortization expense, year three |  |  |  | 1,800 | 1,800 |  |  |  |
Expected amortization expense, year four |  |  |  | 1,800 | 1,800 |  |  |  |
Expected amortization expense, year five |  |  |  | 1,800 | 1,800 |  |  |  |
Expected amortization expense, thereafter |  |  |  | 17,500 | 17,500 |  |  |  |
Acquisition and integration expenses |  |  |  |  | 2,500 |  |  |  |
Dickerson & Bowen, Inc. | Customer relationships |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  |  | 18,200 | 18,200 |  |  |  |
Dickerson & Bowen, Inc. | Materials |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill | 47,200 |  |  |  |  |  |  |  |
Dickerson & Bowen, Inc. | Constructions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill | $ 20,700 |  |  |  |  |  |  |  |
LRC/MSG |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Consideration transferred |  | 278,000 |  |  |  |  |  |  |
Revenue since acquisition date |  |  |  |  | 147,300 | 7,700 |  |  |
Gross profit (loss) since acquisition date |  |  |  |  | 8,700 | (1,500) |  |  |
Purchase price |  | 293,416 |  |  |  |  |  |  |
Total tangible assets acquired |  | 154,915 |  |  |  |  |  |  |
Identifiable intangible assets |  | 107,460 |  | 27,900 | 27,900 |  |  |  |
Goodwill |  | 72,744 |  |  |  |  |  |  |
Goodwill expected to be deductible for tax purposes |  | 72,700 |  |  |  |  |  |  |
Property and equipment |  | 86,329 |  |  |  |  |  |  |
Intangible assets acquired |  | 107,460 |  |  |  |  |  |  |
Expected amortization expense, year one |  |  |  |  |  | 6,200 |  |  |
Expected amortization expense, year two |  |  |  |  |  | 6,200 |  |  |
Expected amortization expense, year three |  |  |  |  |  | 6,200 |  |  |
Expected amortization expense, year four |  |  |  |  |  | 6,200 |  |  |
Expected amortization expense, year five |  |  |  |  |  | 6,200 |  |  |
Expected amortization expense, thereafter |  |  |  |  |  | 63,500 |  |  |
Acquisition and integration expenses |  |  |  |  |  | $ 5,000 |  |  |
Cash paid for purchase price adjustments on business acquisition |  |  | $ 7,100 |  | 13,200 |  |  |  |
Net working capital adjustment |  |  |  |  | 4,600 |  |  |  |
Tangible and intangible assets adjustment |  |  |  |  | 2,200 |  |  |  |
Deferred consideration |  | 22,000 |  |  |  |  |  |  |
Decrease in the estimated obligation associated with the tax make-whole agreements |  |  |  |  | 14,900 |  |  |  |
Goodwill adjustment |  |  |  |  | 8,100 |  |  |  |
Payments for working capital adjustment |  |  |  |  | 6,100 |  |  |  |
LRC/MSG | Customer relationships |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  |  | $ 18,200 | $ 18,200 |  |  |  |
Intangible assets acquired |  | 78,860 |  |  |  |  |  |  |
LRC/MSG | Materials |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  | 26,000 |  |  |  |  |  |  |
LRC/MSG | Constructions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  | $ 46,700 |  |  |  |  |  |  |
CMR |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  | $ 5,100 |

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