v3.22.2.2

Valuation (Significant Unobservable Inputs Rollforward) (Details) - Level 3 $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | $ 3,950,113 | $ 2,181,112 | $ 2,881,539 | $ 1,959,802 |
Assets, Accreted Discounts/Amortized Premiums | (7,533) | (9,930) | (22,621) | (19,714) |
Assets, Realized Gain (Loss) | 237 | 11,996 | 10,978 | 15,710 |
Assets, Change In Net Unrealized Gain/(Loss) | (145,458) | (8,023) | (383,801) | 40,536 |
Assets, Purchases | 847,645 | 522,267 | 3,076,762 | 1,413,347 |
Assets, Sales | (411,990) | (325,302) | (1,332,677) | (1,001,333) |
Assets, Transfers into Level 3 | 8,207 | 11,040 | 35,984 | 12,922 |
Assets, Transfers out of Level 3 | (16,970) | 0 | (41,913) | (38,110) |
Assets, Ending Balance | 4,224,251 | 2,383,160 | 4,224,251 | 2,383,160 |
Liabilities, Begining Balance | (1,650,832) | (1,003,093) | (984,168) | (755,405) |
Liabilities, Accreted Discounts/Amortized Premiums | (397) | 0 | (397) | 0 |
Liabilities, Realized Gain/(Loss) | 0 | (67) | 0 | (1,428) |
Liabilities, Change In Net Unrealized Gain/(Loss) | 88,528 | 1,538 | 218,777 | 5,214 |
Liabilities Purchases/Payments | 57,864 | 129,316 | 271,817 | 454,460 |
Liabilities, Sales/Issuance | (324,544) | 0 | (1,335,410) | (575,147) |
Liabilities, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Liabilities, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Liabilities, Ending Balance | (1,829,381) | (872,306) | (1,829,381) | (872,306) |
Non-Agency RMBS |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 105,785 |  | 105,785 |  | $ 134,888
Non-Agency RMBS | Valuation, Income Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 43,127 |  | 43,127 |  | 45,544
Non-Agency RMBS | Valuation, Market Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 62,658 |  | 62,658 |  | 89,344
CMBS |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 8,669 |  | 8,669 |  | 13,134
CMBS | Valuation, Income Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 554 |  | 554 |  | 268
CMBS | Valuation, Market Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 8,115 |  | 8,115 |  | 12,866
CLOs |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 17,288 |  | 17,288 |  | 26,678
CLOs | Valuation, Income Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 6,533 |  | 6,533 |  | 8,014
CLOs | Valuation, Market Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 10,755 |  | 10,755 |  | 18,664
Asset-backed securities, backed by consumer loans | Valuation, Income Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 75,568 |  | 75,568 |  | 73,108
Residential mortgage loans | Performing Financial Instruments [Member] |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets |  |  |  |  | 952,656
Residential mortgage loans | Valuation, Income Approach | Performing Financial Instruments [Member] |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 1,560,948 |  | 1,560,948 |  | 951,723
Residential mortgage loans | Measurement Input, Exercise Price | Valuation, Cost Approach | Performing Financial Instruments [Member] |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets |  |  |  |  | 933
Commercial mortgage loans | Valuation, Income Approach | Performing Financial Instruments [Member] |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 432,740 |  | 432,740 |  | 310,735
Consumer loans | Valuation, Income Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 6,038 |  | 6,038 |  | 62,365
Corporate loan [Member] |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets |  |  |  |  | 10,531
Corporate loan [Member] | Valuation, Income Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 3,534 |  | 3,534 |  | 3,531
Corporate loan [Member] | Valuation, Market Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets |  |  |  |  | 7,000
Credit default swaps on asset-backed securities | Valuation, Income Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 77 |  | 77 |  | 303
Other secured borrowings, at fair value | Valuation, Market Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Fair value | $ (1,635,829) |  | $ (1,635,829) |  | $ (984,168)
Other secured borrowings, at fair value | Measurement Input, Quoted Price | Valuation, Market Approach | Minimum |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Debt instrument, measurement input | 51.06 |  | 51.06 |  | 93.34
Other secured borrowings, at fair value | Measurement Input, Quoted Price | Valuation, Market Approach | Maximum |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Debt instrument, measurement input | 97.28 |  | 97.28 |  | 102.14
Other secured borrowings, at fair value | Measurement Input, Quoted Price | Valuation, Market Approach | Weighted Average |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Debt instrument, measurement input | 88.76 |  | 88.76 |  | 99.94
Investment in unconsolidated entities |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | $ 171,379 |  | $ 171,379 |  | $ 195,643
Investment in unconsolidated entities | Measurement Input, Net Asset Value | Enterprise Value |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 87,864 |  | 87,864 |  | 57,828
Investment in unconsolidated entities | Measurement Input, Exercise Price | Valuation, Cost Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Total assets | 50,667 |  | 50,667 |  | $ 14,036
Senior Notes | Valuation, Market Approach |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Fair value | $ (193,515) |  | $ (193,515) |  |
Senior Notes | Measurement Input, Quoted Price | Valuation, Market Approach | Minimum |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Debt instrument, measurement input | 92.15 |  | 92.15 |  |
Senior Notes | Measurement Input, Quoted Price | Valuation, Market Approach | Maximum |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Debt instrument, measurement input | 92.15 |  | 92.15 |  |
Senior Notes | Measurement Input, Quoted Price | Valuation, Market Approach | Weighted Average |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Debt instrument, measurement input | 92.15 |  | 92.15 |  |
Other secured borrowings, at fair value |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Liabilities, Payments |  | 129,249 |  | 453,032 |
Liabilities, Issuances |  | 0 |  | (575,147) |
Liabilities, Begining Balance | $ (1,448,182) | (1,003,037) | $ (984,168) | (754,921) |
Liabilities, Accreted Discounts/Amortized Premiums | (397) | 0 | (397) | 0 |
Liabilities, Realized Gain/(Loss) | 0 | 0 | 0 | 0 |
Liabilities, Change In Net Unrealized Gain/(Loss) | 79,430 | 1,482 | 202,329 | 4,730 |
Liabilities Purchases/Payments | 57,864 |  | 271,817 |  |
Liabilities, Sales/Issuance | (324,544) |  | (1,125,410) |  |
Liabilities, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Liabilities, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Liabilities, Ending Balance | (1,635,829) | (872,306) | (1,635,829) | (872,306) |
Change in unrealized gains (losses), liabilities | 79,400 | 1,500 | 202,300 | 4,700 |
Financial Derivatives - Liabilities |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Change in unrealized gains (losses), liabilities | (37) | 100 | (37) |  |
Financial Derivatives - Liabilities | Total return swaps |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 0 |  | 0 |  |
Assets, Accreted Discounts/Amortized Premiums | 0 |  | 0 |  |
Assets, Realized Gain (Loss) | 0 |  | 0 |  |
Assets, Change In Net Unrealized Gain/(Loss) | (37) |  | (37) |  |
Assets, Purchases | 0 |  | 0 |  |
Assets, Sales | 0 |  | 0 |  |
Assets, Transfers into Level 3 | 0 |  | 0 |  |
Assets, Transfers out of Level 3 | 0 |  | 0 |  |
Assets, Ending Balance | (37) |  | (37) |  |
Senior notes |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Liabilities, Begining Balance | (202,650) |  | 0 |  |
Liabilities, Accreted Discounts/Amortized Premiums | 0 |  | 0 |  |
Liabilities, Realized Gain/(Loss) | 0 |  | 0 |  |
Liabilities, Change In Net Unrealized Gain/(Loss) | 9,135 |  | 16,485 |  |
Liabilities Purchases/Payments | 0 |  | 0 |  |
Liabilities, Sales/Issuance | 0 |  | (210,000) |  |
Liabilities, Transfers into Level 3 | 0 |  | 0 |  |
Liabilities, Transfers out of Level 3 | 0 |  | 0 |  |
Liabilities, Ending Balance | (193,515) |  | (193,515) |  |
Senior Notes |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Change in unrealized gains (losses), liabilities | 9,100 |  | 16,500 |  |
Securities |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Change in unrealized gain (loss), assets | (8,000) | 3,100 | (31,800) | 13,600 |
Securities | Agency RMBS |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 12,389 | 9,936 | 9,710 | 11,663 |
Assets, Accreted Discounts/Amortized Premiums | (751) | (1,285) | (1,595) | (2,570) |
Assets, Realized Gain (Loss) | (723) | (15) | 9 | 943 |
Assets, Change In Net Unrealized Gain/(Loss) | (62) | 278 | (1,421) | (1,408) |
Assets, Purchases | 0 | 2,038 | 840 | 2,039 |
Assets, Sales | (2,214) | 0 | (1,074) | (1,533) |
Assets, Transfers into Level 3 | 1,094 | 780 | 3,393 | 5,093 |
Assets, Transfers out of Level 3 | (1,914) | 0 | (2,043) | (2,495) |
Assets, Ending Balance | 7,819 | 11,732 | 7,819 | 11,732 |
Securities | Non-Agency RMBS |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 131,449 | 114,464 | 134,888 | 127,838 |
Assets, Accreted Discounts/Amortized Premiums | (73) | 612 | 743 | 1,926 |
Assets, Realized Gain (Loss) | 216 | 680 | 2,167 | 2,993 |
Assets, Change In Net Unrealized Gain/(Loss) | (5,402) | (1,918) | (14,655) | (2,533) |
Assets, Purchases | 0 | 154 | 18,614 | 22,392 |
Assets, Sales | (13,789) | (9,005) | (26,541) | (42,009) |
Assets, Transfers into Level 3 | 3,240 | 1,613 | 18,916 | 5,831 |
Assets, Transfers out of Level 3 | (9,856) | 0 | (28,347) | (9,838) |
Assets, Ending Balance | 105,785 | 106,600 | 105,785 | 106,600 |
Securities | CMBS |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 9,380 | 17,025 | 13,134 | 63,148 |
Assets, Accreted Discounts/Amortized Premiums | 54 | 27 | 97 | 404 |
Assets, Realized Gain (Loss) | 1,932 | 1,987 | 3,050 | 4,329 |
Assets, Change In Net Unrealized Gain/(Loss) | (581) | (468) | (2,142) | 4,946 |
Assets, Purchases | 0 | 0 | 620 | 0 |
Assets, Sales | (3,265) | (15,070) | (5,297) | (60,449) |
Assets, Transfers into Level 3 | 3,230 | 8,647 | 5,470 | 397 |
Assets, Transfers out of Level 3 | 2,081 | 0 | 6,263 | 627 |
Assets, Ending Balance | 8,669 | 12,148 | 8,669 | 12,148 |
Securities | CLOs |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 23,378 | 33,989 | 26,678 | 111,100 |
Assets, Accreted Discounts/Amortized Premiums | (631) | (1,688) | (2,048) | (371) |
Assets, Realized Gain (Loss) | 3,324 | 2,689 | 6,231 | 934 |
Assets, Change In Net Unrealized Gain/(Loss) | (221) | 3,007 | (2,859) | 19,782 |
Assets, Purchases | 0 | 85 | 0 | 104 |
Assets, Sales | (6,086) | (7,961) | (13,659) | (77,879) |
Assets, Transfers into Level 3 | 643 | 0 | 8,205 | 1,601 |
Assets, Transfers out of Level 3 | (3,119) | 0 | (5,260) | (25,150) |
Assets, Ending Balance | 17,288 | 30,121 | 17,288 | 30,121 |
Securities | Asset-backed securities, backed by consumer loans |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 78,183 | 69,254 | 73,108 | 44,925 |
Assets, Accreted Discounts/Amortized Premiums | (2,376) | (1,813) | (4,528) | (3,796) |
Assets, Realized Gain (Loss) | 318 | 287 | 18 | 466 |
Assets, Change In Net Unrealized Gain/(Loss) | (2,618) | (1,598) | (8,250) | (3,181) |
Assets, Purchases | 13,063 | 15,853 | 49,300 | 61,665 |
Assets, Sales | (11,002) | (10,688) | (34,080) | (28,784) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 75,568 | 71,295 | 75,568 | 71,295 |
Securities | Corporate debt securities |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 1,767 | 5,444 | 5,198 | 4,082 |
Assets, Accreted Discounts/Amortized Premiums | 0 | 0 | 0 | 0 |
Assets, Realized Gain (Loss) | 133 | 1,271 | 1,666 | 1,497 |
Assets, Change In Net Unrealized Gain/(Loss) | (148) | (700) | (1,828) | (517) |
Assets, Purchases | 5,391 | 2,207 | 10,703 | 3,824 |
Assets, Sales | (3,541) | (3,803) | (12,137) | (4,467) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 3,602 | 4,419 | 3,602 | 4,419 |
Securities | Corporate equity securities |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 10,276 | 8,497 | 7,556 | 1,590 |
Assets, Accreted Discounts/Amortized Premiums | 0 | 0 | 0 | 0 |
Assets, Realized Gain (Loss) | (80) | 661 | 1,659 | 276 |
Assets, Change In Net Unrealized Gain/(Loss) | 188 | 224 | (1,176) | 2,538 |
Assets, Purchases | 785 | 351 | 5,768 | 5,329 |
Assets, Sales | 0 | (1,739) | (2,638) | (1,739) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 11,169 | 7,994 | 11,169 | 7,994 |
Loans |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Change in unrealized gain (loss), assets | (113,100) | (4,700) | (297,600) | (2,400) |
Loans | Residential mortgage loans |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 2,995,584 | 1,445,651 | 2,016,228 | 1,187,069 |
Assets, Accreted Discounts/Amortized Premiums | (3,394) | (3,864) | (12,405) | (9,575) |
Assets, Realized Gain (Loss) | (1,561) | 277 | 56 | 738 |
Assets, Change In Net Unrealized Gain/(Loss) | (114,175) | (4,475) | (297,423) | (2,788) |
Assets, Purchases | 712,965 | 405,291 | 2,332,444 | 955,069 |
Assets, Sales | (240,609) | (186,179) | (690,090) | (473,812) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 3,348,810 | 1,656,701 | 3,348,810 | 1,656,701 |
Loans | Commercial mortgage loans |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 477,378 | 228,450 | 326,197 | 213,031 |
Assets, Accreted Discounts/Amortized Premiums | 0 | 0 | 0 | 24 |
Assets, Realized Gain (Loss) | 11 | 17 | 22 | 323 |
Assets, Change In Net Unrealized Gain/(Loss) | 54 | 71 | (1,170) | 141 |
Assets, Purchases | 77,888 | 72,415 | 411,693 | 219,914 |
Assets, Sales | (90,818) | (33,362) | (272,229) | (165,842) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 464,513 | 267,591 | 464,513 | 267,591 |
Loans | Consumer loans |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 7,410 | 52,016 | 62,365 | 47,525 |
Assets, Accreted Discounts/Amortized Premiums | (362) | (1,919) | (2,885) | (5,756) |
Assets, Realized Gain (Loss) | (1,172) | (105) | (1,870) | (1,381) |
Assets, Change In Net Unrealized Gain/(Loss) | 986 | 19 | 615 | 476 |
Assets, Purchases | 523 | 13,941 | 11,505 | 40,008 |
Assets, Sales | (1,347) | (8,276) | (63,692) | (25,196) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 6,038 | 55,676 | 6,038 | 55,676 |
Loans | Corporate loan [Member] |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 10,448 | 16,584 | 10,531 | 5,855 |
Assets, Accreted Discounts/Amortized Premiums | 0 | 0 | 0 | 0 |
Assets, Realized Gain (Loss) | 0 | 0 | (1,000) | 0 |
Assets, Change In Net Unrealized Gain/(Loss) | 0 | (267) | 0 | (267) |
Assets, Purchases | 100 | 254 | 2,425 | 10,985 |
Assets, Sales | (7,014) | (10) | (8,422) | (12) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 3,534 | 16,561 | 3,534 | 16,561 |
Investment in unconsolidated entities |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 192,269 | 178,979 | 195,643 | 141,620 |
Assets, Accreted Discounts/Amortized Premiums | 0 | 0 | 0 | 0 |
Assets, Realized Gain (Loss) | (1,317) | 4,225 | (177) | 4,386 |
Assets, Change In Net Unrealized Gain/(Loss) | (24,196) | (1,676) | (54,107) | 23,400 |
Assets, Purchases | 36,928 | 9,674 | 232,838 | 92,008 |
Assets, Sales | (32,305) | (49,183) | (202,818) | (119,395) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | 171,379 | 142,019 | 171,379 | 142,019 |
Change in unrealized gain (loss), assets | (27,000) | (2,700) | (61,000) | 19,900 |
Financial Derivatives - Assets |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Change in unrealized gain (loss), assets | 700 | 100 | 600 | (100) |
Financial Derivatives - Assets | Total return swaps |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance |  | 520 |  | 9 |
Assets, Accreted Discounts/Amortized Premiums |  | 0 |  | 0 |
Assets, Realized Gain (Loss) |  | 26 |  | 167 |
Assets, Change In Net Unrealized Gain/(Loss) |  | (520) |  | (9) |
Assets, Purchases |  | 0 |  | 0 |
Assets, Sales |  | (26) |  | (167) |
Assets, Transfers into Level 3 |  | 0 |  | 0 |
Assets, Transfers out of Level 3 |  | 0 |  | 0 |
Assets, Ending Balance |  | 0 |  | 0 |
Financial Derivatives - Assets | Credit default swaps on asset-backed securities |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Assets, Beginning Balance | 202 | 303 | 303 | 347 |
Assets, Accreted Discounts/Amortized Premiums | 0 | 0 | 0 | 0 |
Assets, Realized Gain (Loss) | (844) | (4) | (853) | 39 |
Assets, Change In Net Unrealized Gain/(Loss) | 717 | 0 | 615 | (44) |
Assets, Purchases | 2 | 4 | 12 | 10 |
Assets, Sales | 0 | 0 | 0 | (49) |
Assets, Transfers into Level 3 | 0 | 0 | 0 | 0 |
Assets, Transfers out of Level 3 | 0 | 0 | 0 | 0 |
Assets, Ending Balance | $ 77 | 303 | $ 77 | 303 |
Financial Derivatives - Liabilities | Total return swaps |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |
Liabilities, Payments |  | 67 |  | 1,428 |
Liabilities, Issuances |  | 0 |  | 0 |
Liabilities, Begining Balance |  | (56) |  | (484) |
Liabilities, Accreted Discounts/Amortized Premiums |  | 0 |  | 0 |
Liabilities, Realized Gain/(Loss) |  | (67) |  | (1,428) |
Liabilities, Change In Net Unrealized Gain/(Loss) |  | 56 |  | 484 |
Liabilities, Transfers into Level 3 |  | 0 |  | 0 |
Liabilities, Transfers out of Level 3 |  | 0 |  | 0 |
Liabilities, Ending Balance |  | $ 0 |  | $ 0 |

X
- Definition The amount of accreted discounts and amortization of premiums related to investments in debt securities classified as Level 3 securities within the fair value heirarchy. + References No definition available. + Details
Name: | efc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAccretedDiscountsAmortizedPremiums
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Realized gain/loss on investment/derivatives classed as Level 3 within the fair value heirarchy. + References No definition available. + Details
Name: | efc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRealizedGainLoss
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Change in unrealized gain/loss on investment/derivatives classed as Level 3 within the fair value heirarchy. + References No definition available. + Details
Name: | efc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsChangeInNetUnrealizedGainLoss
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair Value, Measurement With Unobservable Inputs Reconciliations, Recurring Basis, Liability, Accreted Discounts/Amortized Premiums + References No definition available. + Details
Name: | efc_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityAccretedDiscountsAmortizedPremiums
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value, Measurement With Unobservable Inputs Reconciliations, Recurring Basis, Liability, Change In Net Unrealized Gain/(Loss) + References No definition available. + Details
Name: | efc_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityChangeInNetUnrealizedGainLoss
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair Value, Measurement With Unobservable Inputs Reconciliations, Recurring Basis, Liability, Realized Gain/(Loss) + References No definition available. + Details
Name: | efc_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityRealizedGainLoss
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sales and issues that have taken place during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | efc_FairValueMeasurmentWithUnobservableInputsReconciliationRecurringBasisLiabilitySalesAndIssues
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Settlements and purchases that have taken place during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | efc_FairValueMeasurmentWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlementsAndPurchases
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
Name: | us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_IncomeApproachValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_MarketApproachValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedLoanObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExercisePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_CostApproachValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=efc_CommercialMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=efc_CorporateloanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=efc_CreditDefaultSwapsOnAssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=efc_OthersecuredborrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputQuotedPriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquityMethodInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=efc_MeasurementInputNetAssetValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=efc_EnterpriseValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=efc_OthersecuredborrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_TotalReturnSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_LongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_SecuritiesAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=efc_CorporateDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_LoansReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_EquityMethodInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_DerivativeFinancialInstrumentsAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |