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Repurchase Agreements - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025 USD ($) counterparty	Dec. 31, 2024 USD ($) counterparty	Mar. 31, 2024 USD ($)
Assets Sold under Agreements to Repurchase [Line Items]
Cash and cash equivalents	$ 177,072	$ 167,422	$ 226,939
Securities borrowed	$ 256,775
Number of counterparties with amounts outstanding under repurchase agreements | counterparty	11	9
Repurchase agreements, number of counterparties | counterparty	5
Financings under repurchase agreements, aggregate outstanding balance	$ 344,400
Accrued interest payable	$ 28,200	$ 28,400
Weighted average advance rate	95.80%	96.00%
Average interest rate haircut	4.20%	4.00%
Average days to maturity	35 days	26 days
Weighted average interest rate	4.49%	4.84%
Residential Loans
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 100,200
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	$ 2,400	$ 2,500
Agency RMBS
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 216,096
Average interest rate haircut	3.90%
Non-Agency RMBS
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 40,679
Average interest rate haircut	27.70%
U.S. Treasury securities
Assets Sold under Agreements to Repurchase [Line Items]
Average interest rate haircut	1.00%
Repurchase Agreements
Assets Sold under Agreements to Repurchase [Line Items]
Cash and cash equivalents	$ 173,100
Securities borrowed	$ 256,800
Atlas SP
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase agreement percentage at risk	5.82%

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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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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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Weighted average maturity (weighted by amount of the agreement) of repurchase agreements with the counterparty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.

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