Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income including noncontrolling interests	$ 23,843	$ 14,014
Adjustments to reconcile net income to net cash used in operating activities
Depreciation and amortization	30,509	34,673
Amortization of debt issue costs	649	665
(Gain) loss on disposal of property and equipment	(39)	267
Provision for doubtful accounts	(3)	0
Deferred taxes	(2,566)	403
Foreign currency transaction gains and losses	882	2,220
Equity in earnings of unconsolidated joint ventures	(5,598)	(7,530)
Return on investments in unconsolidated joint ventures	11,874	13,180
Stock-based compensation	3,898	7,206
Contributions of treasury stock	13,054	13,153
Changes in assets and liabilities, net of acquisitions and newly consolidated joint ventures:
Accounts receivable	(46,690)	2,597
Contract assets	(21,212)	(31,711)
Prepaid expenses and other assets	4,496	(5,386)
Accounts payable	(39,342)	(6,658)
Accrued expenses and other current liabilities	(4,134)	(68,928)
Contract liabilities	945	(16,086)
Income taxes	4,706	1,268
Other long-term liabilities	(986)	(19,312)
Net cash used in operating activities	(25,714)	(65,965)
Cash flows from investing activities:
Capital expenditures	(4,473)	(4,449)
Proceeds from sale of property and equipment	112	164
Payments for acquisitions, net of cash acquired	0	1,064
Investments in unconsolidated joint ventures	(9,713)	(22,240)
Return of investments in unconsolidated joint ventures	644	116
Proceeds from sales of investments in unconsolidated joint ventures	0	14,300
Net cash used in investing activities	(13,430)	(11,045)
Cash flows from financing activities:
Contributions by noncontrolling interests	1,226	7
Distributions to noncontrolling interests	(8,309)	(8,989)
Repurchases of common stock	(5,548)	0
Taxes paid on vested stock	(5,771)	(2,242)
Net cash used in financing activities	(18,402)	(11,224)
Effect of exchange rate changes	425	430
Net decrease in cash, cash equivalents, and restricted cash	(57,121)	(87,804)
Cash, cash equivalents and restricted cash:
Beginning of year	343,883	487,215
End of period	$ 286,762	$ 399,411