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Acquisitions - Estimated Fair Values of Identifiable Intangible Assets and Related Weighted Average Amortization (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Mar. 31, 2023 | Mar. 31, 2023
Finite-Lived Intangible Assets [Line Items] |  |
Estimated fair value at acquisition date |  | $ 126,100
Acquisitions 2023 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated fair value at acquisition date | $ 113,020 |
Acquisitions 2023 | Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated fair value at acquisition date | $ 79,640 |
Weighted average amortization period at acquisition date | 4 years 7 months 6 days |
Acquisitions 2023 | Backlog |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated fair value at acquisition date | $ 16,115 |
Weighted average amortization period at acquisition date | 10 months 24 days |
Acquisitions 2023 | Trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated fair value at acquisition date | $ 12,815 |
Weighted average amortization period at acquisition date | 15 years |
Acquisitions 2023 | Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated fair value at acquisition date | $ 4,450 |
Weighted average amortization period at acquisition date | 5 years |

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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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