CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Revenues	$ 616,283	$ 664,646	$ 1,722,926	$ 2,098,245
Expenses:
Compensation and employee benefits	371,250	388,903	1,046,531	1,198,104
Equity-based compensation and allocations of net income to limited partnership units and FPUs	29,548	44,088	84,805	102,974
Total compensation and employee benefits	400,798	432,991	1,131,336	1,301,078
Operating, administrative and other	140,930	121,382	406,738	395,882
Fees to related parties	6,244	7,301	20,863	20,878
Depreciation and amortization	41,463	44,359	122,327	118,758
Total operating expenses	589,435	606,033	1,681,264	1,836,596
Other income (loss), net	3,203	(128)	4,118	(101,432)
Income from operations	30,051	58,485	45,780	160,217
Interest expense, net	(7,542)	(7,281)	(24,727)	(24,074)
Income before income taxes and noncontrolling interests	22,509	51,204	21,053	136,143
Provision for income taxes	8,356	13,294	12,019	35,723
Consolidated net income	14,153	37,910	9,034	100,420
Less: Net income attributable to noncontrolling interests	4,206	9,946	3,007	23,572
Net income available to common stockholders	9,947	27,964	6,027	76,848
Basic earnings per share
Net income available to common stockholders	$ 9,947	$ 27,964	$ 6,027	$ 76,848
Basic earnings per share (in usd per share)	$ 0.06	$ 0.16	$ 0.03	$ 0.42
Basic weighted-average shares of common stock outstanding (in shares)	174,129	177,231	173,549	183,311
Fully diluted earnings per share
Net income for fully diluted shares	$ 14,075	$ 37,674	$ 8,293	$ 100,483
Fully diluted earnings per share (in usd per share)	$ 0.06	$ 0.15	$ 0.03	$ 0.41
Fully diluted weighted-average shares of common stock outstanding (in shares)	247,240	243,469	243,882	248,067
Management services, servicing fees and other
Revenues:
Revenues	$ 253,749	$ 222,379	$ 706,701	$ 689,183
Leasing and other commissions
Revenues:
Revenues	203,268	219,903	600,185	631,681
Investment sales
Revenues:
Revenues	94,707	131,731	244,304	492,898
Commercial mortgage origination, net
Revenues:
Revenues	$ 64,559	$ 90,633	$ 171,736	$ 284,483