Derivatives - Schedule of Offsetting Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Offsetting Liabilities [Line Items]
Gross Amounts	$ (24,402)	$ (19,303)
Gross Amounts Not Offset, Financial Instruments	0	19,303
Gross Amounts Not Offset, Cash Collateral	10,329	0
Total Net	(14,073)	0
TBA Agency Securities
Offsetting Liabilities [Line Items]
Gross Amounts	(24,402)
Gross Amounts Not Offset, Financial Instruments	0
Gross Amounts Not Offset, Cash Collateral	10,329
Total Net	$ (14,073)
Interest rate swap contracts
Offsetting Liabilities [Line Items]
Gross Amounts		(19,210)
Gross Amounts Not Offset, Financial Instruments		19,210
Gross Amounts Not Offset, Cash Collateral		0
Total Net		0
Derivative liability, centrally-cleared		(19,210)
Futures contracts
Offsetting Liabilities [Line Items]
Gross Amounts		(93)
Gross Amounts Not Offset, Financial Instruments		93
Gross Amounts Not Offset, Cash Collateral		0
Total Net		$ 0

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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+ Details

- Definition

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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+ Details