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Collateralized Debt Obligations - Summary of Debt (Details) - Collateralized Debt Obligations - Secured Debt - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Outstanding Face Amount	$ 1,930,725	$ 1,500,378
Collateralized debt, carrying value	1,898,119	1,522,221
Consolidated SLST
Debt Instrument [Line Items]
Outstanding Face Amount	780,539	814,256
Collateralized debt, carrying value	$ 754,264	$ 839,419
Weighted average interest rate	2.75%	2.75%
Residential loan securitizations
Debt Instrument [Line Items]
Outstanding Face Amount	$ 1,150,186	$ 686,122
Collateralized debt, carrying value	$ 1,143,855	$ 682,802
Weighted average interest rate	2.73%	2.43%

X

- Definition

Face (par) amount of debt instrument at time of issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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