Debt Obligations, Net - Narrative (Details)	1 Months Ended					3 Months Ended	12 Months Ended
	Nov. 30, 2025 USD ($)	Aug. 31, 2025 USD ($)	Jun. 30, 2025	Jan. 31, 2025 USD ($)	Oct. 31, 2024 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2025 USD ($) $ / shares	Oct. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount							$ 4,822,478,000		$ 3,482,175,000
Line of Credit
Debt Instrument [Line Items]
Facility Capacity								$ 400,000,000		$ 250,000,000
Corporate Debt Securities | 9.125% Senior Notes | Unsecured Debt
Debt Instrument [Line Items]
Debt instrument, face amount				$ 90,000,000			$ 59,127,000		$ 60,000,000
Weighted Average Interest Rate				9.125%			9.125%		9.125%
Redemption price (as a percent)				100.00%
Corporate Debt Securities | 9.5% Senior Notes | Unsecured Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 100,000,000						$ 100,000,000
Weighted Average Interest Rate	9.50%						9.50%
Redemption price (as a percent)	100.00%
7.75% Convertible Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount		$ 50,000,000			$ 40,000,000	$ 215,000,000
Debt instrument, interest rate (as a percent)						7.75%
Net proceeds from issuance of convertible debt		$ 49,000,000			$ 39,000,000	$ 208,000,000
Convertible debt, conversion ratio							0.0956823
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares							$ 10.45
Repurchase amount							$ 0		$ 4,000,000
5.75% Exchangeable Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Repayments of convertible debt							$ 124,000,000
Sequoia And Other Third-Party Securities | Recourse Subordinate Securities Financing Receivable | Affiliated Entity | Unsecuritized HEI
Debt Instrument [Line Items]
Long-term debt, weighted average interest rate, over time			7.27%
Sequoia And Other Third-Party Securities | Recourse Subordinate Securities Financing Receivable | Affiliated Entity | Unsecuritized HEI | June 2027 Through July 2028
Debt Instrument [Line Items]
Long-term debt, weighted average interest rate, over time			10.27%