v3.21.2

Borrowings (Details) $ in Thousands |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 13, 2019 | Aug. 18, 2017 USD ($) | Sep. 30, 2021 USD ($) counterparty | Dec. 31, 2020 USD ($) counterparty
Borrowings [Line Items] |  |  |  |  |
Total secured borrowings |  |  |  | $ 3,100,000 | $ 2,300,000
Number of Counterparties with Outstanding Reverse Repurchase Agreements | counterparty |  |  |  | 24 | 24
Financial Instruments transferred as collateral for repurchase agreements |  |  |  | $ 2,400,000 | $ 1,800,000
Collateral on repurchase agreements, unsettled sales |  |  |  | $ 3,000 | 1,400
Repurchase Agreements amount at risk threshold |  |  |  | 10.00% |
Other secured borrowings | [1] |  |  | $ 90,981 | 51,062
Other secured borrowings, at fair value | [1] |  |  | $ 872,306 | $ 754,921
Minimum |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Reverse Repurchase Agreements Maturity |  |  |  | 30 days |
Repurchase agreements, remaining days to maturity |  |  |  | 1 day | 4 days
Repurchase Agreements Interest Rate |  |  |  | 0.10% | 0.20%
Maximum |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Reverse Repurchase Agreements Maturity |  |  |  | 364 days |
Repurchase agreements, remaining days to maturity |  |  |  | 730 days | 516 days
Repurchase Agreements Interest Rate |  |  |  | 3.75% | 5.00%
Reverse repurchase agreements |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Cash collateral posted for securities sold under agreements to repurchase |  |  |  | $ 57,000 | $ 28,900
Securitized residential mortgage loans |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Fair Value of Assets Transfered and Accounted for as Secured Borrowings |  |  |  | 917,300 | 801,300
Secured borrowing recourse facility collateralized by unsecured loan portfolio |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Other secured borrowings |  |  |  | $ 3,800 | $ 8,700
Debt Instrument, Interest Rate, Effective Rate |  |  |  | 2.01% | 2.30%
Secured borrowing recourse facility collateralized by unsecured loan portfolio | Unsecured loans |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Fair Value of Assets Transfered and Accounted for as Secured Borrowings |  |  |  | $ 5,700 | $ 11,500
Non-QM loan securitization |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Other secured borrowings |  |  |  |  | $ 754,900
Debt Instrument, Interest Rate, Effective Rate |  |  |  | 1.73% | 2.43%
Secured borrowing facility collateralized by unsecured loan portfolio |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Other secured borrowings |  |  |  | $ 31,800 | $ 7,000
Debt Instrument, Interest Rate, Effective Rate |  |  |  | 2.25% | 2.25%
Secured borrowing facility collateralized by unsecured loan portfolio | Unsecured loans |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Fair Value of Assets Transfered and Accounted for as Secured Borrowings |  |  |  | $ 48,800 | $ 31,800
Secured borrowing facility collateralized by ABS backed by consumer loans [Member] |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Other secured borrowings |  |  |  | $ 46,400 | $ 28,700
Debt Instrument, Interest Rate, Effective Rate |  |  |  | 4.70% | 5.22%
Fair Value of Assets Transfered and Accounted for as Secured Borrowings |  |  |  | $ 64,400 | $ 44,500
Commercial mortgage loans |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Other secured borrowings |  |  |  | 7,500 | 6,700
Fair Value of Assets Transfered and Accounted for as Secured Borrowings |  |  |  | 18,000 | $ 17,300
Loan Participations and Assignments |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Other secured borrowings |  |  |  | $ 1,500 |
Debt Instrument, Interest Rate, Effective Rate |  |  |  | 3.20% |
Fair Value of Assets Transfered and Accounted for as Secured Borrowings |  |  |  | $ 1,800 |
Senior Notes |  |  |  |  |
Borrowings [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Effective Rate |  |  |  | 5.80% |
Debt Instrument, Face Amount |  |  | $ 86,000 |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.50% |  |  |
Redemption percentage |  | 100.00% |  |  |
Debt Instrument, Maturity Date |  |  | Sep. 01, 2022 |  |
[1] | Ellington Financial Inc.'s Condensed Consolidated Balance Sheet includes assets and liabilities of variable interest entities it has consolidated. See Note 9 for additional details on Ellington Financial Inc.'s consolidated variable interest entities.

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