Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands |
Total |
Common Stock |
Treasury Stock |
Additional Paid-in Capital |
Retained Earnings |
Accumulated Other Comprehensive Income (Loss) |
Total Parsons Equity |
Noncontrolling Interest |
|---|---|---|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2024 | $ 2,534,489 | $ 146,655 | $ (815,282) | $ 2,684,829 | $ 426,781 | $ (26,594) | $ 2,416,389 | $ 118,100 |
| Comprehensive income | ||||||||
| Net income | 234,070 | 185,556 | 185,556 | 48,514 | ||||
| Foreign currency translation gain (loss), net | 3,522 | 3,518 | 3,518 | 4 | ||||
| Pension adjustments, net | (1,206) | (1,206) | (1,206) | |||||
| Contributions | 3,017 | 3,017 | ||||||
| Distributions | (62,825) | (62,825) | ||||||
| Issuance of equity securities, net of retirement | (14,159) | 680 | (8,297) | (6,542) | (14,159) | |||
| Repurchases of common stock | (64,994) | (966) | (64,028) | (64,994) | ||||
| Stock-based compensation | 32,726 | 32,726 | 32,726 | |||||
| Ending Balance at Sep. 30, 2025 | 2,664,640 | 146,369 | (815,282) | 2,645,230 | 605,795 | (24,282) | 2,557,830 | 106,810 |
| Beginning balance at Jun. 30, 2025 | 2,621,611 | 146,676 | (815,282) | 2,660,579 | 541,965 | (18,067) | 2,515,871 | 105,740 |
| Comprehensive income | ||||||||
| Net income | 81,794 | 64,123 | 64,123 | 17,671 | ||||
| Foreign currency translation gain (loss), net | (4,946) | (4,940) | (4,940) | (6) | ||||
| Pension adjustments, net | (1,275) | (1,275) | (1,275) | |||||
| Contributions | (1,176) | 1,176 | ||||||
| Distributions | (17,771) | (17,771) | ||||||
| Issuance of equity securities, net of retirement | (749) | 16 | (472) | (293) | (749) | |||
| Repurchases of common stock | (25,000) | (323) | (24,677) | (25,000) | ||||
| Stock-based compensation | 9,800 | 9,800 | 9,800 | |||||
| Ending Balance at Sep. 30, 2025 | 2,664,640 | 146,369 | (815,282) | 2,645,230 | 605,795 | (24,282) | 2,557,830 | 106,810 |
| Beginning balance at Dec. 31, 2025 | 2,767,672 | 145,676 | (792,638) | 2,648,730 | 661,173 | (20,921) | 2,642,020 | 125,652 |
| Comprehensive income | ||||||||
| Net income | 132,157 | 91,860 | 91,860 | 40,297 | ||||
| Foreign currency translation gain (loss), net | (6,240) | (6,241) | (6,241) | 1 | ||||
| Pension adjustments, net | 0 | |||||||
| Contributions of treasury stock to ESOP | (364) | 364 | ||||||
| Contributions | 504 | 504 | ||||||
| Distributions | (55,945) | (55,945) | ||||||
| Repurchase of warrants | (3) | 32 | (35) | (3) | ||||
| Issuance of equity securities, net of retirement | (14,714) | 694 | (11,180) | (4,228) | (14,714) | |||
| Repurchases of common stock | (109,987) | (2,163) | (107,824) | (109,987) | ||||
| Stock-based compensation | 34,713 | 34,713 | 34,713 | |||||
| Ending Balance at Sep. 30, 2026 | 2,748,157 | 144,239 | (793,002) | 2,564,768 | 748,805 | (27,162) | 2,637,648 | 110,509 |
| Beginning balance at Jun. 30, 2026 | 2,747,769 | 145,506 | (793,002) | 2,611,828 | 694,530 | (27,443) | 2,631,419 | 116,350 |
| Comprehensive income | ||||||||
| Net income | 67,411 | 54,153 | 54,153 | 13,258 | ||||
| Foreign currency translation gain (loss), net | 281 | 281 | 281 | 0 | ||||
| Pension adjustments, net | 0 | |||||||
| Contributions | 270 | 270 | ||||||
| Distributions | (19,369) | (19,369) | ||||||
| Issuance of equity securities, net of retirement | (517) | 28 | (667) | 122 | (517) | |||
| Repurchases of common stock | (60,000) | (1,295) | (58,705) | (60,000) | ||||
| Stock-based compensation | 12,312 | 12,312 | 12,312 | |||||
| Ending Balance at Sep. 30, 2026 | $ 2,748,157 | $ 144,239 | $ (793,002) | $ 2,564,768 | $ 748,805 | $ (27,162) | $ 2,637,648 | $ 110,509 |
| X | ||||||||||
- Definition Adjustments to additional paid in capital repurchases of common stock. No definition available.
|
| X | ||||||||||
- Definition Adjustments to warrant repurchased. No definition available.
|
| X | ||||||||||
- Definition Contributions of treasury stock to employee stock ownership plan. No definition available.
|
| X | ||||||||||
- Definition Issuance of equity securities, net of retirement. No definition available.
|
| X | ||||||||||
- Definition Minority interest increase (decrease) from contributions to noncontrolling interest holders. No definition available.
|
| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|