Valuation (Fair Value of Other Financial Instruments) (Details) - USD ($) $ in Thousands		Sep. 30, 2025		Dec. 31, 2024		Sep. 30, 2024	[1]	Dec. 31, 2023
Fair Value
Assets:
Cash and cash equivalents		$ 184,809		$ 192,387
Restricted cash		20,769		16,561
Due from brokers		40,714		22,186
Reverse repurchase agreements		365,716		336,743
Liabilities:
Repurchase agreements(1)		2,800,964		2,584,040
Other secured borrowings(1)		189,203		253,300
Due to brokers		43,001		55,429
Carrying Value
Assets:
Cash and cash equivalents		184,809		192,387
Restricted cash		20,769		16,561
Due from brokers		40,714		22,186
Reverse repurchase agreements		365,716		336,743
Liabilities:
Repurchase agreements(1)		2,800,964		2,584,040
Other secured borrowings(1)		189,203		253,300
Due to brokers		43,001		55,429
Cash and cash equivalents		184,809	[1]	192,387	[1]	$ 217,725		$ 228,927
Restricted cash		20,800		16,600
Due from brokers		40,714		22,186
Reverse repurchase agreements		365,716		336,743
Repurchase agreements(1)	[1]	2,800,964		2,584,040
Other secured borrowings(1)	[1]	189,203		253,300
Due to brokers		$ 43,001		$ 55,429

[1] Ellington Financial Inc.'s Condensed Consolidated Balance Sheets include assets and liabilities of variable interest entities it has consolidated. See Note 12 for additional details on Ellington Financial Inc.'s consolidated variable interest entities.