Quarterly Information - Unaudited - Schedule of Selected Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Jan. 01, 2024 |
Dec. 31, 2024 |
Mar. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Selected Quarterly Financial Information [Line items] | ||||||
| Total revenues | $ 1,734,317 | $ 1,535,676 | $ 6,750,576 | $ 5,442,749 | $ 4,195,272 | |
| Operating Income | 99,812 | 101,844 | 428,066 | 288,358 | 185,666 | |
| Convertible debt repurchase loss | $ (18,400) | (18,355) | (18,355) | 0 | 0 | |
| Income tax expense | (18,729) | (13,324) | (76,986) | (56,138) | (39,657) | |
| Net income attributable to Parsons Corporation | $ 54,180 | $ 39,750 | $ 235,053 | $ 161,149 | $ 96,664 | |
| Earnings per share: | ||||||
| Basic | $ 0.51 | $ 0.37 | $ 2.21 | $ 1.53 | $ 0.93 | |
| Diluted earnings per share | $ 0.49 | $ 0.37 | $ 2.12 | $ 1.42 | $ 0.87 | |
| Federal Solutions | ||||||
| Selected Quarterly Financial Information [Line items] | ||||||
| Total revenues | $ 1,003,323 | $ 909,608 | $ 4,007,114 | $ 3,020,701 | $ 2,212,987 | |
| Critical Infrastructure | ||||||
| Selected Quarterly Financial Information [Line items] | ||||||
| Total revenues | $ 730,994 | $ 626,068 | 2,743,462 | 2,422,048 | 1,982,285 | |
| Operating Income | (62,298) | 35,297 | 0 | |||
| Net income attributable to Parsons Corporation | $ (47,651) | $ 26,261 | $ 0 | |||
| Earnings per share: | ||||||
| Diluted earnings per share | $ (0.42) | $ 0.23 | $ 0 | |||
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- Definition Selected quarterly financial information. No definition available.
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase. No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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