Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash Flows from Operating Activities
Net income (loss)	$ (27,069)	$ 147,006	$ 45,165
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Unrealized carried interest (allocation) reversal, net	224,516	(85,863)	(151,005)
Unrealized principal investment (income) loss	(16,512)	(11,655)	(145,448)
Equity-based compensation	34,218	34,716	67,639
Amortization of deferred financing costs and debt discount and premium, net	2,442	2,296	21,119
Depreciation and amortization	29,451	33,706	485,551
Deferred income tax (benefit) expense	(1,121)	(3,160)	(69)
Other (gain) loss, net	(62,509)	(37,351)	(101,209)
Other equity method (earnings) losses	0	0	15,188
Distributions of income from equity investments	0	0	3,776
Other adjustments, net	(285)	(443)	(9,408)
(Increase) decrease in other assets and due from affiliates	12,895	(14,602)	(7,058)
Increase (decrease) in other liabilities and due to affiliates	63,303	(4,528)	9,396
Net cash generated by (used in) operating activities	259,329	60,122	233,637
Cash Flows from Investing Activities
Contributions to and acquisition of equity investments	(395,893)	(170,190)	(584,589)
Return of capital from equity and debt investments	116,640	55,905	79,229
Proceeds from sale of equity investments	155,672	106,398	695,683
Repayment of loans receivable	0	1,000	6,804
Purchase of fixed assets	(1,350)	(3,588)	0
Investment deposits	0	0	(4,140)
Acquisition of InfraBridge, net of cash acquired (Note 2)	0	0	(314,266)
Net receipt (payment) on settlement of derivatives	0	0	3,401
Acquisition of and additions to real estate, related intangibles and leasing commissions	0	0	(653,470)
Cash derecognized in deconsolidation of sponsored funds and investment entities	(1,065)	(745)	(229,183)
Proceeds from DataBank recapitalization	0	0	21,487
Net cash generated by (used in) investing activities	(125,996)	(11,220)	(979,044)
Cash Flows from Financing Activities
Dividends paid to preferred stockholders	(58,641)	(58,641)	(58,761)
Dividends paid to common stockholders	(7,146)	(6,771)	(6,477)
Repayment or redemption of senior notes	0	(5,000)	(200,000)
Shares canceled for tax withholdings on vested equity awards	(6,624)	(9,840)	(18,680)
Repurchases of preferred stock	0	0	(4,758)
Contributions from noncontrolling interests	36,360	28,988	116,081
Distributions to and redemption of noncontrolling interests	(12,228)	(22,077)	(163,802)
Borrowings from investment level debt	0	0	1,722,443
Repayments of investment level debt	0	0	(1,199,865)
Payment of deferred financing costs and prepayment penalties on investment level debt	0	0	(38,029)
Payment of contingent consideration to Wafra	0	(17,500)	(90,000)
Net cash generated by (used in) financing activities	(48,279)	(90,841)	58,152
Effect of foreign exchange on cash, cash equivalents and restricted cash	4,138	(2,013)	766
Net increase (decrease) in cash, cash equivalents and restricted cash	89,192	(43,952)	(686,489)
Cash, cash equivalents and restricted cash—beginning of period	306,298	350,250	1,036,739
Cash, cash equivalents and restricted cash—end of period	395,490	306,298	350,250
Reconciliation of cash, cash equivalents and restricted cash to consolidated balance sheets
Cash and cash equivalents	302,154	345,335	855,564
Restricted cash	4,144	4,915	4,854
Assets of discontinued operations—cash and cash equivalents		0	0	$ 62,690
Assets of discontinued operations—restricted cash		0	0	$ 113,631
Cash, cash equivalents and restricted cash—beginning of period	306,298	350,250	1,036,739
Cash and cash equivalents	382,508	302,154	345,335
Restricted cash	12,982	4,144	4,915
Cash, cash equivalents and restricted cash—end of period	395,490	306,298	350,250
Supplemental Disclosure of Cash Flow Information
Cash paid for interest	13,325	16,270	179,071
Cash received (paid) for income taxes	6,699	5,941	57
Operating lease payments for corporate offices	9,346	9,151	9,096
Supplemental Disclosure of Cash Flows from Discontinued Operations
Net cash generated by (used in) operating activities of discontinued operations	(4,916)	(11,892)	233,903
Net cash generated by (used in) investing activities of discontinued operations	0	(42)	(600,050)
Supplemental Disclosure of Noncash Investing and Financing Activities
Dividends and distributions payable	16,545	16,524	16,477
Redemption of OP units for common stock	39,677	2,954	984
Exchange of notes into shares of class A common stock	0	72,717	0
Operating lease liabilities arising from establishment of ROU assets for corporate offices (Note 5)	4,039	2,342	15,314
Receivables from asset sales	0	0	662
Receivable from sale of principal investments	84,040	0	0
Contingent consideration valued at closing of InfraBridge acquisition	0	0	10,874
Settlement of Wafra contingent consideration through issuance of class A common stock (Note 7)	0	17,500	0
Vantage SDC capacity funded through equity, net of liability settlement (Note 2 )	0	0	109,562
Assets of investment entities disposed of in sale of equity and/or deconsolidated (Note 2 )	0	0	8,659,140
Liabilities of investment entities disposed of in sale of equity and/or deconsolidated (Note 2 )	0	0	5,941,332
Noncontrolling interests of investment entities disposed of in sale of equity and/or deconsolidated (Note 2 )	0	0	2,398,693
Assets of sponsored fund consolidated	115,539	0	0
Liabilities of sponsored fund consolidated	(34,758)	0	0
Noncontrolling interests of sponsored fund consolidated	(80,810)	0	0
Assets of sponsored funds deconsolidated	(148,286)	393,612	0
Liabilities of sponsored funds deconsolidated	46,153	189	0
Noncontrolling interests of sponsored funds deconsolidated	$ 86,849	$ 262,970	$ 0