Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Cash and cash equivalents	$ 285,622	$ 342,608
Accounts receivable, net	646,117	598,311
Contract assets	600,109	579,216
Prepaid expenses and other current assets	107,978	110,941
Property and equipment, net	97,922	104,196
Accounts payable	157,080	196,286
Accrued expenses and other current liabilities	609,095	599,089
Contract liabilities	$ 172,932	$ 171,671
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares, issued	146,347,283	146,276,880
Common stock, shares, outstanding	34,942,580	33,331,494
Treasury stock, shares	42,617,149	42,617,149
ESOP
Common stock, shares, outstanding	68,787,554	70,328,237
Consolidated Joint Ventures
Cash and cash equivalents	$ 28,477	$ 78,514
Accounts receivable, net	166,410	190,643
Contract assets	8,647	23,498
Prepaid expenses and other current assets	10,694	18,783
Property and equipment, net	1,707	1,721
Accounts payable	57,700	78,558
Accrued expenses and other current liabilities	78,453	82,746
Contract liabilities	$ 14,637	$ 14,333