Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows from Operating Activities
Net income (loss)		$ 45,165	$ (569,997)	$ (816,911)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Amortization of discount and net origination fees on loans receivable and debt securities		0	0	0
Paid-in-kind interest added to loan principal		(948)	(7,144)	8,398
Straight-line rent income		(10,286)	(25,488)	2,778
Amortization of above- and below-market lease values, net		1,664	208	5,042
Amortization of deferred financing costs and debt discount and premium, net		21,119	106,410	65,129
Unrealized carried interest allocation		(334,672)	(253,447)	(100,800)
Unrealized principal investment income		(145,448)	(56,731)	(86,023)
Other equity method (earnings) losses		15,188	45,489	194,071
Distributions of income from equity method investments		3,776	2,992	3,054
Impairment of real estate and intangible assets		0	35,985	319,263
Allowance for doubtful accounts		0	0	3,294
Depreciation and amortization		485,551	579,250	636,555
Equity-based compensation		67,639	54,710	59,416
Gain on sales of real estate, net		0	0	(49,429)
Deferred income tax (benefit) expense		(69)	11,572	(68,454)
(Gain) Loss on debt extinguishment		0	133,173	(29,099)
Other (gain) loss, net		(101,209)	22,245	114,418
Other adjustments, net		162	(997)	(7,484)
(Increase) decrease in other assets and due from affiliates		(7,058)	35,372	(72,700)
Increase (decrease) in accrued and other liabilities and due to affiliates		193,063	148,980	67,719
Net cash provided by (used in) operating activities		233,637	262,582	248,237
Cash Flows from Investing Activities
Contributions to and acquisition of equity investments		(584,589)	(570,035)	(549,621)
Return of capital from equity method investments		79,229	59,248	90,205
Proceeds from sale of equity investments		695,683	522,337	564,025
Acquisition of loans receivable and debt securities		0	(164,815)	(147,498)
Proceeds from paydown and maturity of debt securities		0	573	1,261
Net disbursements on originated loans		0	(215,918)	(33,272)
Repayments of loans receivable		6,804	23,956	485,613
Proceeds from sales of loans receivable and debt securities		0	401,002	146,004
Acquisition of and additions to real estate, related intangibles and leasing commissions		(653,470)	(2,141,237)	(828,361)
Proceeds from sales of real estate investment holding entities		0	162,268	408,391
Investment deposits		(4,140)	630	(21,418)
Net receipt (payment) on settlement of derivatives		3,401	9,352	17,123
Acquisition of InfraBridge, net of cash acquired (Note 3)		(314,266)	0	0
Proceeds from sale of fixed assets		0	0	14,946
Cash and restricted cash derecognized in deconsolidation of investment entities		(229,183)	0	0
Proceeds from DataBank recapitalization, net of carried interest distribution		21,487	0	0
Other investing activities, net		0	(769)	(833)
Net cash provided by (used in) investing activities		(979,044)	(1,913,408)	146,565
Cash Flows from Financing Activities
Dividends paid to preferred stockholders		(58,761)	(62,395)	(73,384)
Dividends paid to common stockholders		(6,477)	(1,636)	0
Repurchases of common stock		0	(55,006)	0
Borrowings on corporate debt		0	290,000	345,000
Repayments of corporate debt, including senior notes		(200,000)	(304,237)	(76,502)
Borrowings from investment level debt		1,722,443	872,726	2,094,722
Repayments of investment level debt		(1,199,865)	(210,268)	(1,643,900)
Payment of deferred financing costs and prepayment penalties on investment level debt		(38,029)	(18,688)	(48,127)
Contributions from noncontrolling interests		116,081	2,625,612	232,144
Distributions to and redemptions of noncontrolling interests		(163,802)	(2,109,229)	(249,083)
Payment of contingent consideration to Wafra		(90,000)	0	0
Repurchases of preferred stock		(4,758)	(52,779)	(150,250)
Shares canceled for tax withholdings on vested equity awards		(18,680)	(18,239)	(19,360)
Acquisition of noncontrolling interest		0	(32,076)	0
Net cash provided by (used in) financing activities		58,152	923,785	411,260
Effect of exchange rates on cash, cash equivalents and restricted cash		766	(2,465)	(2,825)
Net increase (decrease) in cash, cash equivalents and restricted cash		(686,489)	(729,506)	803,237
Cash, cash equivalents and restricted cash—beginning of period		1,036,739	1,766,245	963,008
Cash, cash equivalents and restricted cash—end of period		350,250	1,036,739	1,766,245
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Roll Forward]
Cash and cash equivalents, beginning balance		855,564	1,226,897	703,544
Restricted cash, beginning balance		4,854	7,511	67,772
Cash and cash equivalents included in assets held for disposition, begining balance		62,690	375,205	0
Restricted cash included in assets held for disposition, beginning balance		113,631	156,632	191,692
Cash and cash equivalents, ending balance		345,335	855,564	1,226,897
Restricted cash, ending balance		4,915	4,854	7,511
Cash and cash equivalents included in assets held for disposition, ending balance		0	62,690	375,205
Restricted cash included in assets held for disposition, ending balance		0	113,631	156,632
Total cash, cash equivalents, and restricted cash		350,250	1,036,739	1,766,245
Supplemental Disclosure of Cash Flow Information
Cash paid for interest, net of amounts capitalized of $5,433, $3,206 and $1,567		179,071	219,851	444,365
Cash received (paid) for income taxes		57	11,747	5,927
Operating lease payments for corporate offices		9,096	9,651	10,358
Operating lease payments for TowerCo		0	11,709	0
Supplemental Disclosure of Cash Flows from Discontinued Operations
Net cash provided by (used in) operating activities of discontinued operations		233,903	300,482	375,250
Net cash provided by (used in) investing activities of discontinued operations		(600,050)	(1,377,005)	336,102
Supplemental Disclosure of Noncash Investing and Financing Activities
Dividends and distributions payable		16,477	16,491	15,759
Receivables from asset sales		662	16,824	14,045
Contingent consideration for acquisition of InfraBridge		10,874	0	0
Redemption of OP Units for common stock		984	341	4,647
Redemption of redeemable noncontrolling interest for common stock		0	348,759	0
Exchange of notes into shares of Class A common stock		0	60,317	161,261
Debt assumed by buyer in sale of real estate		0	0	44,148
Seller note received in sale of NRF Holdco equity (Note 2)		0	154,992	0
Loan receivable relieved in exchange for equity investment acquired		0	20,676	0
Vantage SDC capacity funded through equity, net of liability settlement (Note 9)		109,562	0	0
Operating lease ROU assets and lease liabilities established for corporate offices		15,314	5,837	421
Assets of investment entities disposed of in sale of equity and/or deconsolidated	[1]	8,659,140	4,689,188	5,614,465
Liabilities of investment entities disposed of in sale of equity and/or deconsolidated	[1]	5,941,332	3,948,016	4,291,557
Assets of investment entities deconsolidated	[1]	0	0	0
Liabilities of investment entities deconsolidated	[1]	0	0	0
Noncontrolling interests of investment entities disposed of in sale of equity and/or deconsolidated	[1]	$ 2,398,693	$ 415,098	$ 1,080,134

[1] Represents deconsolidation of Vantage SDC and DataBank in 2023, sale of Wellness Infrastructure business in 2022, and sale of non-digital investment portfolio and hospitality business in 2021 (Notes 9 and 2)