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Line of Credit and Long Term Debt (Additional Information) (Details) - USD ($) $ in Thousands |  | 6 Months Ended
--- | --- | ---
Feb. 11, 2022 | Jun. 30, 2024 | Jun. 30, 2023
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate |  | 5.375% |
Debt Instrument, Frequency of Periodic Payment |  | payable semi-annually in arrears on February 15 and August 15, beginning on August 15, 2022 |
Debt Instrument, Description |  | Notes are guaranteed on an unsecured senior basis by the same subsidiaries and affiliated professional contractors that guarantee the Amended Credit Agreement (as defined below). The indenture under which the 2030 Notes are issued, among other things, limits the Company's ability to (1) incur liens and (2) enter into sale and lease-back transactions, and also limits the Company's ability to merge or dispose of all or substantially all of its assets, in all cases, subject to a number of customary exceptions |
Purchase price |  | 101.00% |
Borrowings on revolving credit line |  | $ 235,500 | $ 421,000
Long-Term Debt |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from issuance of unsecured debt | $ 250,000 |  |
Cash on hand | 308,000 |  |
Credit Agreement [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit facility, available balance |  | 450,000 |
Long term debt |  | 221,900 |
Revolving Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from issuance of unsecured debt | 100,000 |  |
Borrowings on revolving credit line |  | 37,500 |
Revolving Credit Facility [Member] | Long-Term Debt |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from issuance of unsecured debt |  | 250,000 |
Revolving Credit Facility [Member] | Credit Agreement [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Unsecured note issued |  | $ 450,000 |
Interest Rate, description |  | (i) the Alternate Base Rate (defined as the highest of (a) the prime rate as announced by Bank of America, N.A., (b) the Federal Funds Rate plus 0.50% and (c) Term Secured Overnight Financing Rate ("SOFR") for an interest period of one month plus 1.00% with a 1.00% floor) plus an applicable margin rate of 0.50% for the first two fiscal quarters after the date of the Credit Agreement Amendment, and thereafter at an applicable margin rate ranging from 0.125% to 0.750% based on the Company's consolidated net leverage ratio or (ii) Term SOFR rate (calculated as the Secured Overnight Financing Rate published on the applicable Reuters screen page plus a spread adjustment of 0.10%, 0.15% or 0.25% depending on if the Company selects a one-month, three-month or six-month interest period, respectively, for the applicable loan with a 0% floor), plus an applicable margin rate of 1.50% for the first two full fiscal quarters after the date of the Credit Agreement Amendment, and thereafter at an applicable margin rate ranging from 1.125% to 1.750% based on the Company's consolidated net leverage ratio. The Amended Credit Agreement also provides for other customary fees and charges, including an unused commitment fee with respect to the Revolving Credit Line ranging from 0.150% to 0.200% of the unused lending commitments under the Revolving Credit Line |
5.375% Unsecured Senior Notes Due 2030 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Senior notes | $ 400,000 |  |
Debt instrument interest rate | 5.375% |  |
Debt instrument, maturity year | 2030 |  |
Interest accrued periodically |  | $ 21,500 |
Long term debt |  | $ 400,000 |
2027 Notes |  |  |
Debt Instrument [Line Items] |  |  |
Long term debt | $ 1,000,000 |  |

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