CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Revenues		$ 2,705,527	$ 2,906,443	$ 1,904,998
Expenses:
Compensation and employee benefits		1,554,784	1,828,887	1,147,360
Equity-based compensation and allocations of net income to limited partnership units and FPUs		138,312	356,345	130,759
Total compensation and employee benefits		1,693,096	2,185,232	1,278,119
Operating, administrative and other		534,843	553,623	294,405
Fees to related parties		28,502	23,789	22,573
Depreciation and amortization		165,816	121,729	141,193
Total operating expenses		2,422,257	2,884,373	1,736,290
Other (loss) income, net		(97,701)	1,232,495	15,290
Income from operations		185,569	1,254,565	183,998
Interest expense, net		(30,970)	(33,473)	(37,728)
Income before income taxes and noncontrolling interests		154,599	1,221,092	146,270
Provision for income taxes		42,054	242,958	36,993
Consolidated net income		112,545	978,134	109,277
Less: Net income attributable to noncontrolling interests		29,270	227,406	29,217
Net income available to common stockholders		83,275	750,728	80,060
Basic earnings per share
Net income available to common stockholders	[1]	$ 83,275	$ 744,528	$ 70,281
Basic earnings per share (in usd per share)		$ 0.46	$ 3.91	$ 0.39
Basic weighted-average shares of common stock outstanding (in shares)		180,337	190,179	179,106
Fully diluted earnings per share
Net income for fully diluted shares		$ 110,403	$ 744,528	$ 70,281
Fully diluted earnings per share (in usd per share)		$ 0.45	$ 3.80	$ 0.39
Fully diluted weighted-average shares of common stock outstanding (in shares)		245,177	195,813	179,690
Management services, servicing fees and other
Revenues:
Revenues		$ 909,485	$ 915,715	$ 626,136
Leasing and other commissions
Revenues:
Revenues		831,874	826,942	513,842
Investment sales
Revenues:
Revenues		606,416	757,744	403,971
Commercial mortgage origination, net
Revenues:
Revenues		$ 357,752	$ 406,042	$ 361,049

[1] Includes a reduction for dividends on EPUs in the amount of $6.2 million and $9.8 million for the years ended December 31, 2021 and 2020, respectively (see Note 1 — “Organization and Basis of Presentation”).