Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents (including $84,810 and $128,761 Cash of consolidated joint ventures)	$ 423,120	$ 272,943
Accounts receivable, net (including $332,308 and $274,846 Accounts receivable of consolidated joint ventures, net)	1,023,463	915,638
Contract assets (including $8,521 and $11,096 Contract assets of consolidated joint ventures)	768,007	757,515
Prepaid expenses and other current assets (including $15,808 and $11,929 Prepaid expenses and other current assets of consolidated joint ventures)	212,664	191,430
Total current assets	2,427,254	2,137,526
Property and equipment, net (including $3,565 and $3,274 Property and equipment of consolidated joint ventures, net)	98,499	98,957
Right of use assets, operating leases (including $8,656 and $9,885 Right of use assets, operating leases of consolidated joint ventures)	145,803	159,211
Goodwill	1,791,443	1,792,665
Investments in and advances to unconsolidated joint ventures	145,043	128,204
Intangible assets, net	261,856	275,566
Deferred tax assets	157,547	140,162
Other noncurrent assets	70,998	71,770
Total assets	5,098,443	4,804,061
Current liabilities:
Accounts payable (including $33,339 and $49,234 Accounts payable of consolidated joint ventures)	274,140	242,821
Accrued expenses and other current liabilities (including $165,434 and $145,040 Accrued expenses and other current liabilities of consolidated joint ventures)	739,211	801,423
Contract liabilities (including $60,374 and $61,234 Contract liabilities of consolidated joint ventures)	282,962	301,107
Short-term lease liabilities, operating leases (including $4,445 and $4,753 Short-term lease liabilities, operating leases of consolidated joint ventures)	55,024	58,556
Income taxes payable	2,366	6,977
Total current liabilities	1,353,703	1,410,884
Long-term employee incentives	24,447	22,924
Long-term debt	1,246,443	745,963
Long-term lease liabilities, operating leases (including $4,211 and $5,132 Long-term lease liabilities, operating leases of consolidated joint ventures)	106,692	117,505
Deferred tax liabilities	9,763	9,775
Other long-term liabilities	114,238	120,295
Total liabilities	2,855,286	2,427,346
Contingencies (Note 12)
Shareholders' equity:
Common stock, $1 par value; authorized 1,000,000,000 shares; 146,717,387 and 146,341,363 shares issued; 48,205,185 and 45,960,122 public shares outstanding; 57,998,295 and 59,879,857 ESOP shares outstanding	146,717	146,341
Treasury stock, 40,501,385 shares at cost	(827,311)	(827,311)
Additional paid-in capital	2,759,867	2,779,365
Retained earnings	87,261	203,724
Accumulated other comprehensive loss	(16,866)	(14,908)
Total Parsons Corporation shareholders' equity	2,149,668	2,287,211
Noncontrolling interests	93,489	89,504
Total shareholders' equity	2,243,157	2,376,715
Total liabilities and shareholders' equity	$ 5,098,443	$ 4,804,061