Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands, € in Millions	1 Months Ended						12 Months Ended
	Mar. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 EUR (€)	Mar. 31, 2022 USD ($)	Feb. 28, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Summary of Significant Accounting Policies [Line Items]
OP units to common stock, conversion ratio							1
Proceeds from sale of equity investments							$ 695,683	$ 522,337	$ 564,025
Gain on extinguishment of debt				$ (133,200)		$ 54,200	0	(133,173)	29,099
Total assets of consolidated private fund							3,562,550	11,028,503
Total liabilities of consolidated private fund							1,053,387	6,458,440
Principal investment income							145,448	56,731	86,023
Loss from continuing operations							365,623	(59,813)	(34,536)
Revenues							264,117	172,673	180,826
Revision of Prior Period, Reclassification, Adjustment | BRSP
Summary of Significant Accounting Policies [Line Items]
Total assets of consolidated private fund								8,100,000
Total liabilities of consolidated private fund								5,300,000
Loss from continuing operations								(324,200)	(223,500)
Corporate and Other
Summary of Significant Accounting Policies [Line Items]
Principal investment income							141,225	52,610	83,419
Loss from continuing operations							$ 160,261	(245,897)	(125,451)
In-Place Lease
Summary of Significant Accounting Policies [Line Items]
Discount rate for projected net cash flow (as a percent)							6.80%
Useful life (in years)							15 years
TowerCo
Summary of Significant Accounting Policies [Line Items]
Purchase price		$ 791,300	€ 740.1
Debt assumed		326,100
Equity consideration transferred		278,100
TowerCo | Corporate and Other
Summary of Significant Accounting Policies [Line Items]
Revenues								43,000
Depreciation								8,800
Amortization								9,900
TowerCo | Investor
Summary of Significant Accounting Policies [Line Items]
Equity consideration transferred		$ 213,800
Investor relationships
Summary of Significant Accounting Policies [Line Items]
Discount rate for projected net cash flow (as a percent)							6.80%
Minimum | Furniture, Fixtures, Equipment, And Capitalized Software
Summary of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)							3 years
Minimum | Towers And Equipment
Summary of Significant Accounting Policies [Line Items]
Plant, property and equipment acquired, useful life (in years)							11 years
Minimum | Investor relationships
Summary of Significant Accounting Policies [Line Items]
Useful life (in years)							19 years
Maximum | Furniture, Fixtures, Equipment, And Capitalized Software
Summary of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)							7 years
Maximum | Building
Summary of Significant Accounting Policies [Line Items]
Plant, property and equipment acquired, useful life (in years)							50 years
Maximum | Site improvements
Summary of Significant Accounting Policies [Line Items]
Plant, property and equipment acquired, useful life (in years)							40 years
Maximum | Data center infrastructure
Summary of Significant Accounting Policies [Line Items]
Plant, property and equipment acquired, useful life (in years)							30 years
Maximum | Furniture, fixtures and equipment
Summary of Significant Accounting Policies [Line Items]
Plant, property and equipment acquired, useful life (in years)							8 years
Maximum | Towers And Equipment
Summary of Significant Accounting Policies [Line Items]
Plant, property and equipment acquired, useful life (in years)							71 years
Maximum | Investor relationships
Summary of Significant Accounting Policies [Line Items]
Useful life (in years)							45 years
NRF | Discontinued Operations, Disposed of by Sale
Summary of Significant Accounting Policies [Line Items]
Transaction price					$ 281,000
Loan receivable relieved in exchange for equity investment acquired					$ 155,000
Write off of deferred debt issuance cost							$ 92,100
Impairment loss									251,700
BRSP
Summary of Significant Accounting Policies [Line Items]
Proceeds from sale of equity investments	$ 201,600
Adjustments for any impairment or observable price changes							$ 9,700
BRSP | Revision of Prior Period, Reclassification, Adjustment
Summary of Significant Accounting Policies [Line Items]
Principal investment income								(37,300)	$ 41,200
BRSP | Held for Disposition
Summary of Significant Accounting Policies [Line Items]
Equity method investments								$ 218,000