Consolidated Statement of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024
Cash flows provided by (used in) operating activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		$ 128,155	$ 117,446
Realized (gains) losses on securities and loans, net		(7,442)	52,419
Realized (gains) losses on financial derivatives, net		(2,787)	31,774
Realized gains (losses) on real estate owned, net		5,692	3,646
Unrealized gains (losses) on securities and loans, net		(130,334)	(172,752)
Unrealized gains (losses) on financial derivatives, net		55,920	(38,623)
Unrealized gains (losses) on real estate owned, net		3,971	567
Net change related to HMBS obligations, at fair value		460,701	439,491
Earnings (losses) from investments in unconsolidated entities		(38,449)	(21,549)
Net cash provided by (used in) operating activities		(627,347)	(289,745)
Cash Flows from Investing Activities:
Purchase of securities		(791,699)	(644,770)
Purchase and origination of loans		(4,700,919)	(3,065,592)
Proceeds from Sale of Forward MSR-related Investments		21,194	23,211
Proceeds from disposition of securities		867,160	1,153,508
Proceeds from disposition of loans		480,129	194,088
Contributions to investments in unconsolidated entities		(227,492)	(89,653)
Distributions from investments in unconsolidated entities		358,713	193,604
Proceeds from disposition of real estate owned		56,225	36,393
Proceeds from FHA insurance claims and other receivables on HECM loans		88,719	45,151
Proceeds from principal payments of securities		127,866	116,124
Proceeds from principal payments of loans		1,723,296	1,904,823
Proceeds from securities sold short		838,175	335,500
Repurchase of securities sold short		(906,721)	(188,563)
Payments on financial derivatives		(300,069)	(215,825)
Proceeds from financial derivatives		288,524	202,759
Payments made on reverse repurchase agreements		(47,360,579)	(24,988,708)
Proceeds from reverse repurchase agreements		47,333,180	24,830,540
Due from brokers, net		(20,018)	34,714
Due to brokers, net		(27,909)	9,006
Net cash provided by (used in) investing activities		(2,152,225)	(106,900)
Cash flows provided by (used in) financing activities:
Net proceeds from issuance of common stock	[1]	205,681	100,202
Offering costs paid		(76)	(688)
Payments for Repurchase of Common Stock		0	(685)
Dividends paid		(134,112)	(121,172)
Contributions from non-controlling interests		22,491	9,567
Distributions to non-controlling interests		(18,178)	(9,115)
Proceeds from issuance of other secured borrowings		1,752,463	1,332,320
Principal payments on other secured borrowings		(1,739,250)	(1,293,250)
Borrowings under repurchase agreements		40,304,114	48,256,900
Repayments of repurchase agreements		(38,156,823)	(48,121,677)
Proceeds from Issuance of Other Secured Borrowings, at fair value		62,472	66,476
Proceeds from issuance of HMBS		1,141,888	1,003,362
Principal payments on HMBS related obligations, at fair value		627,899	814,011
Due from brokers, net		(1,419)	1,469
Due to brokers, net		(219)	(14,566)
Net cash provided by (used in) financing activities		2,776,202	394,403
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash		(3,370)	(2,242)
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period		208,948	230,545
Cash, Cash Equivalents, and Restricted Cash, End of Period		205,578	228,303
Cash and Cash Equivalents, at Carrying Value	[2]	184,809	217,725
Restricted cash	[2]	20,769	10,578
Supplemental disclosure of cash flow information:
Interest paid		215,255	212,880
Income tax paid		884	294
Dividends payable		18,597	15,892
Shares issued in connection with incentive fee payment (non-cash)		444	0
Transfers from mortgage loans to real estate owned (non-cash)		71,311	48,396
Transfers from mortgage loans to other sales and claims receivable (non-cash)		88,242	46,486
Transfers from mortgage loans to investments in non-consolidated entities (non-cash)		42,701	143,936
Contributions to investments in non-consolidated entities (non-cash)		(139,569)	(10,527)
Purchase of investments (non-cash)		(116,497)	(16,488)
Purchase of Loans Non Cash		1,829,930	0
Proceeds from the disposition of loans (non-cash)		3,815,766	189,921
Proceeds from principal payments of investments (non-cash)		143,766	106,417
Principal payments on Other secured borrowings, at fair value (non-cash)		(144,167)	(115,638)
Proceeds received from Other secured borrowings, at fair value (non-cash)		280,981	303,195
Principal payments on Other secured borrowings (non-cash)		(77,310)	0
Repayments of repurchase agreement (non-cash)		(2,007,677)	(460,608)
Transfers from Securities to Corporate Loans (Non-Cash)		0	500
Transfers from Securities to Residential Mortgage Loans (Non-Cash)		0	60
Increase in cash resulting from consolidation of securitization trust, net		0	6,790
Other secured borrowings, at fair value assumed in consolidation of securitization trust (non-cash)		0	(58,195)
Loans acquired in consolidation of securitization trust, net (non-cash)		0	(52,368)
Proceeds from the disposition of loans (non-cash)		3,815,766	189,921
Proceeds from principal payments of investments (non-cash)		143,766	106,417
Proceeds from borrowings under repurchase agreements (non-cash)		77,310	0
Principal payments on Other secured borrowings, at fair value (non-cash)		144,167	115,638
Proceeds received from Other secured borrowings, at fair value (non-cash)		280,981	303,195
Transfers of HMBS obligations to third-party, at fair value (non-cash)		(7,923)	0
Payments to Acquire Non-Controlling Interests, Financing Activities		0	(729)
Debt issuance costs related to Other secured borrowings, at fair value (non-cash)		(3,677)	(5,103)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		128,155	117,446
Realized gains (losses) on securities and loans, net		7,442	(52,419)
Realized gains (losses) on financial derivatives, net		2,787	(31,774)
Realized gains (losses) on real estate owned, net		(5,692)	(3,646)
Unrealized gains (losses) on securities and loans, net		130,334	172,752
Unrealized gains (losses) on financial derivatives, net		(55,920)	38,623
Unrealized gains (losses) on real estate owned, net		(3,971)	(567)
Net change related to HMBS obligations, at fair value		(460,701)	(439,491)
Earnings (losses) from investments in unconsolidated entities		38,449	21,549
Net cash provided by (used in) operating activities		(627,347)	(289,745)
Payments to Acquire Debt Securities, Available-for-sale		791,699	644,770
Payment for Origination and Purchase, Loan, Held-for-Sale		4,700,919	3,065,592
Proceeds from Sale of Forward MSR-related Investments		21,194	23,211
Proceeds from Sale of Debt Securities, Available-for-sale		867,160	1,153,508
Proceeds from disposition of loans		480,129	194,088
Payments to Acquire Equity Method Investments		227,492	89,653
Distributions from investments in unconsolidated entities		358,713	193,604
Proceeds from disposition of real estate owned		56,225	36,393
Proceeds from FHA insurance claims and other receivables on HECM loans		88,719	45,151
Proceeds from principal payments of securities		127,866	116,124
Proceeds from principal payments of loans		1,723,296	1,904,823
Proceeds from securities sold short		838,175	335,500
Repurchase Of Securities Sold Short, Investing Activities		906,721	188,563
Payments for Derivative Instrument, Investing Activities		300,069	215,825
Proceeds from financial derivatives		288,524	202,759
Payments for Securities Purchased under Agreements to Resell		47,360,579	24,988,708
Proceeds from reverse repurchase agreements		47,333,180	24,830,540
Due from brokers, net		(20,018)	34,714
Payments To Brokers, Investing Activities		27,909	(9,006)
Net Cash Provided by (Used in) Investing Activities		(2,152,225)	(106,900)
Proceeds from Issuance of Other Secured Borrowings, at fair value		62,472	66,476
Repayment of unsecured borrowings, at fair value		(34,931)	0
Proceeds from issuance of HMBS		(1,141,888)	(1,003,362)
Principal payments on HMBS related obligations, at fair value		627,899	814,011
Due from brokers, net		(1,419)	1,469
Payments To Brokers, Financing Activities		219	14,566
Net Cash Provided by (Used in) Financing Activities		2,776,202	394,403
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect		(3,370)	(2,242)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents		205,578	228,303
Net proceeds from issuance of common stock	[1]	205,681	100,202
Payments of Stock Issuance Costs		76	688
Payments for Repurchase of Common Stock		0	685
Payments of Dividends		134,112	121,172
Contributions from non-controlling interests		22,491	9,567
Payments to Noncontrolling Interests		18,178	9,115
Proceeds from issuance of other secured borrowings		1,752,463	1,332,320
Principal payment on securitized debt		1,739,250	1,293,250
Borrowings under repurchase agreements		40,304,114	48,256,900
Repayments of Reverse Repurchase Agreements		38,156,823	48,121,677
Cash and Cash Equivalents, at Carrying Value	[2]	184,809	217,725
Restricted cash	[2]	20,769	10,578
Interest paid		215,255	212,880
Income tax paid		884	294
Dividends payable		18,597	15,892
Shares issued in connection with incentive fee payment (non-cash)		444	0
Transfers from mortgage loans to real estate owned (non-cash)		71,311	48,396
Transfers from mortgage loans to other sales and claims receivable (non-cash)		88,242	46,486
Transfers from mortgage loans to investments in non-consolidated entities (non-cash)		42,701	143,936
Transfers from investments in unconsolidated entities to mortgage loans (non-cash)		21,890	0
Contributions to investments in non-consolidated entities (non-cash)		(139,569)	(10,527)
Purchase of Investments Non Cash		116,497	16,488
Purchase of Loans Non Cash		1,829,930	0
Principal payments on Other secured borrowings (non-cash)		(77,310)	0
Repayments of repurchase agreement (non-cash)		(2,007,677)	$ (460,608)
Average price per share (USD per share)			$ 11.00
HECM CT Agreement
Transfers of HMBS obligations to third-party, at fair value (non-cash)	[3]	0	$ (305,381)
Transfers of reverse mortgage loans to third-party, at fair value (non-cash)	[3]	$ 0	$ 305,196

[1] Net of discounts and commissions.

[2] 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.

[3] See Note 13. Securitization Transactions—Issuance of HMBS for details.