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Repurchase Agreements - Narrative (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($) counterparty	Dec. 31, 2023 USD ($) counterparty	Jun. 30, 2023 USD ($)
Assets Sold under Agreements to Repurchase [Line Items]
Cash and cash equivalents	$ 235,514	$ 187,107	$ 232,497
Securities borrowed	$ 166,076
Number of counterparties with amounts outstanding under repurchase agreements | counterparty	8	7
Repurchase agreements, number of counterparties | counterparty	5
Financings under repurchase agreements, aggregate outstanding balance	$ 418,000
Accrued interest payable	$ 16,400	$ 13,600
Weighted average advance rate	94.10%	93.40%
Average interest rate haircut	5.90%	6.60%
Average days to maturity	46 days	46 days
Weighted average interest rate	5.54%	5.66%
Interest Rate Caps
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase agreements, number of counterparties | counterparty	1
Residential Loans
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 143,700
Number of counterparties with amounts outstanding under repurchase agreements | counterparty	6
Residential Loans, Real Estate Owned and Single-Family Rental Properties
Assets Sold under Agreements to Repurchase [Line Items]
Accrued interest payable	$ 3,100	$ 3,700
Agency RMBS
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 121,447
Average interest rate haircut	4.30%
Non-Agency RMBS
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 44,629
Average interest rate haircut	43.10%
Repurchase Agreements
Assets Sold under Agreements to Repurchase [Line Items]
Cash and cash equivalents	$ 227,100
Securities borrowed	$ 166,100
Atlas SP
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase agreement percentage at risk	7.81%

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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