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, 2022	$ 2,095,935	$ 146,132	$ (844,936)	$ 2,717,134	$ 43,089	$ (17,849)	$ 2,043,570	$ 52,365
Comprehensive income
Net income	35,276				25,553		25,553	9,723
Foreign currency translation gain (loss), net	(177)					(177)	(177)
Pension adjustments, net	1					1	1
Contributions	201							201
Distributions	(638)							(638)
Issuance of equity securities, net of retirements	(6,060)	251		(6,098)	(213)		(6,060)
Repurchases of common stock	(6,000)	(139)		(5,861)			(6,000)
Stock-based compensation	6,992			6,992			6,992
Ending Balance at Mar. 31, 2023	2,125,530	146,244	(844,936)	2,712,167	68,429	(18,025)	2,063,879	61,651
Beginning balance at Dec. 31, 2023	2,376,715	146,341	(827,311)	2,779,365	203,724	(14,908)	2,287,211	89,504
Comprehensive income
Net income	(92,112)				(107,355)		(107,355)	15,243
Foreign currency translation gain (loss), net	(1,927)					(1,927)	(1,927)	0
Pension adjustments, net	(31)					(31)	(31)
Distributions	(11,258)							(11,258)
Capped call transactions	(66,121)			(66,121)			(66,121)
Adjustments to warrant repurchased	(104,952)			(104,952)			(104,952)
Bond hedge termination	149,308			149,308			149,308
Issuance of equity securities, net of retirements	(16,988)	376		(8,256)	(9,108)		(16,988)
Stock-based compensation	10,523			10,523			10,523
Ending Balance at Mar. 31, 2024	$ 2,243,157	$ 146,717	$ (827,311)	$ 2,759,867	$ 87,261	$ (16,866)	$ 2,149,668	$ 93,489