v3.26.1
Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Statement of Comprehensive Income [Abstract]        
Net (loss) income including noncontrolling interests $ (465) $ 70,489 $ 64,746 $ 152,276
Other comprehensive income, net of tax        
Foreign currency translation adjustment, net of tax (4,004) 7,619 (6,522) 8,468
Pension adjustments, net of tax 0 62 0 69
Comprehensive income (loss) including noncontrolling interests, net of tax (4,469) 78,170 58,224 160,813
Comprehensive income attributable to noncontrolling interests, net of tax (14,754) (15,267) (27,039) (30,853)
Comprehensive (loss) income attributable to Parsons Corporation, net of tax $ (19,223) $ 62,903 $ 31,185 $ 129,960