Debt Obligations, Net - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended
	Jun. 30, 2025	Jan. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Face amount	$ 3,762,938		$ 3,482,175
Corporate Debt: | 9.0% Senior Notes | Unsecured Debt
Debt Instrument [Line Items]
Face amount	$ 85,000	$ 90,000	$ 85,000
Weighted average interest rate (as percent)	9.00%	9.125%	9.00%
9.125% Senior Notes Due 2029 | Unsecured Debt | Corporate Debt:
Debt Instrument [Line Items]
Redemption price		100.00%
Recourse Subordinate Securities Financing Receivable | Sequoia and other third-party securities | Affiliated Entity | Unsecuritized Jumbo Loans
Debt Instrument [Line Items]
Long-term debt, weighted average interest rate, over time	7.27%
Recourse Subordinate Securities Financing Receivable | Sequoia and other third-party securities | Affiliated Entity | Unsecuritized Jumbo Loans | June 2027 Through July 2028
Debt Instrument [Line Items]
Long-term debt, weighted average interest rate, over time	10.27%