v3.19.1

Consolidated Condensed Schedule of Investments (Long Investments) shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) property shares
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 2,939,311 |
Investment Owned, at Cost | $ 2,970,306 |
Percentage collateralized by GNRCMO certificates | 100.00% |
Non-performing loans, maturity date not applicable | $ 47,300 |
Mortgage Loans in Process of Foreclosure, Amount | $ 9,100 |
Unrated But Agency-Guaranteed [Member] |  |
Schedule of Investments [Line Items] |  |
Long investment holdings as a percentage of stockholders' equity | 243.66% |
Long Investment Aaa Rating [Member] |  |
Schedule of Investments [Line Items] |  |
Long investment holdings as a percentage of stockholders' equity | 0.01% |
Long Investment Aa Rating [Member] |  |
Schedule of Investments [Line Items] |  |
Long investment holdings as a percentage of stockholders' equity | 0.63% |
Long Investment A Rating [Member] |  |
Schedule of Investments [Line Items] |  |
Long investment holdings as a percentage of stockholders' equity | 4.73% |
Long Investment BBB Rating [Member] |  |
Schedule of Investments [Line Items] |  |
Long investment holdings as a percentage of stockholders' equity | 1.84% |
Long Investment BB Rating [Member] |  |
Schedule of Investments [Line Items] |  |
Long investment holdings as a percentage of stockholders' equity | 46.34% |
Long Investment Unrated Rating [Member] |  |
Schedule of Investments [Line Items] |  |
Long investment holdings as a percentage of stockholders' equity | 196.65% |
Related Party-Consumer Loans Titled in Name of Related Party |  |
Schedule of Investments [Line Items] |  |
Fair value of loans held in related party trust | $ 21,900 |
Purchasing Entity |  |
Schedule of Investments [Line Items] |  |
Fair value of loans held in related party trust | $ 181,500 |
Principal And Interest - Fixed Rate Agency Securities |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 148.68% | [1],[2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 884,870 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (30 Year) 4.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 143,523 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 147,395 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (30 Year) 4.00% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (30 Year) 4.00% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-11 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Four Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 111,109 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 114,104 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Four Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2041-11 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Four Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-12 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (30 Year) 3.50% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 82,189 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 82,450 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (30 Year) 3.50% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2042-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (30 Year) 3.50% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-02 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 4.50% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 74,478 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 77,266 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 4.50% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2046-09 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 4.50% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2049-01 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 65,892 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 68,853 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Four Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2041-10 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Four Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-12 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Four Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 51,362 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 52,544 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Four Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-07 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Four Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-05 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 46,026 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 48,245 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-02 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-12 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 45,670 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 47,583 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Four Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Four Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-10 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Fifteen Year) Three Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 42,663 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 43,241 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Fifteen Year) Three Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2028-03 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Fifteen Year) Three Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2032-03 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 38,420 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 40,652 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2035-10 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-08 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Three Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 32,106 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 32,253 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Three Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2042-12 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Three Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2047-12 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Three Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 25,082 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 25,185 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Three Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2042-01 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Three Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-03 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 5.50% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 21,807 |
Rate | 5.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 23,207 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 5.50% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-04 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 5.50% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-12 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (15 Year) 3.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 10,899 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 10,895 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (15 Year) 3.00% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2030-04 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (15 Year) 3.00% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2032-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (15 Year) 3.50% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 8,275 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 8,389 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (15 Year) 3.50% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2028-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (15 Year) 3.50% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2032-12 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Other) Three Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 7,287 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 7,316 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Other) Three Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-04 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Other) Three Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2046-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) 5.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 6,096 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 6,423 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) 5.00% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2044-07 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) 5.00% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-10 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Fifteen Year) Four Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 5,728 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 5,823 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Fifteen Year) Four Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2026-06 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Fifteen Year) Four Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2031-05 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Five Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 5,023 |
Rate | 5.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 5,342 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Five Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-11 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Five Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-06 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Other) 5.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 4,547 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 4,772 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Other) 5.00% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Other) 5.00% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2044-01 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Other) 4.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2047-12 |
Current Principal/Notional Amount | $ 4,394 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 4,478 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 6.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 3,408 |
Rate | 6.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 3,666 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 6.00% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-05 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 6.00% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-11 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Three Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 2,773 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,722 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Three Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-07 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Three Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-06 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Three Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 2,603 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,556 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Three Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2042-01 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Three Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-06 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (30 Year) 3.75% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2047-07 |
Current Principal/Notional Amount | $ 2,508 |
Rate | 3.75% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,537 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Other) Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2044-05 |
Current Principal/Notional Amount | $ 2,348 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,432 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation (15 Year) 3 Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2030-04 |
Current Principal/Notional Amount | $ 2,343 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,342 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Fifteen Year) Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2026-04 |
Current Principal/Notional Amount | $ 2,177 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,265 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Other) Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2041-05 |
Current Principal/Notional Amount | $ 2,025 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,079 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Five Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 1,677 |
Rate | 5.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 1,786 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Five Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2033-08 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Five Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2048-05 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Twenty Year) Four Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2033-12 |
Current Principal/Notional Amount | $ 1,478 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 1,526 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Twenty Year) Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2033-12 |
Current Principal/Notional Amount | $ 976 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 1,021 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Fifteen Year) Four Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2029-02 |
Current Principal/Notional Amount | $ 886 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 897 |
Principal And Interest - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools (Thirty Year) Six Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2040-05 |
Current Principal/Notional Amount | $ 651 |
Rate | 6.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 697 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Three Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2042-11 |
Current Principal/Notional Amount | $ 710 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 695 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Six Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 588 |
Rate | 6.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 631 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Six Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-09 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Six Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2040-02 |
Principal And Interest - Fixed Rate Agency Securities | Government National Mortgage Association Pools (Thirty Year) Two Point Four Nine Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-10 |
Current Principal/Notional Amount | $ 524 |
Rate | 2.49% |
TBA securities, at fair value (Current principal: $460,037) | $ 496 |
Principal And Interest - Fixed Rate Agency Securities | Federal National Mortgage Association Pools (Thirty Year) Three Point Two Eight Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2042-06 |
Current Principal/Notional Amount | $ 109 |
Rate | 3.28% |
TBA securities, at fair value (Current principal: $460,037) | $ 106 |
Interest Only - Fixed Rate Agency Securities |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 1.77% | [1],[2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 10,510 |
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association 4.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 17,505 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 2,828 |
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association 4.00% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-02 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association 4.00% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-06 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association 4.50% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 10,446 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 1,223 |
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association 4.50% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2020-12 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association 4.50% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2044-06 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association 6.00% [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 4,768 |
Rate | 6.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 978 |
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association 6.00% [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2038-06 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association 6.00% [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-08 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 5,949 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 808 |
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Four Point Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-06 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Four Point Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2044-07 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Five Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-10 | [1],[3],[4]
Current Principal/Notional Amount | $ 3,401 |
Rate | 5.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 749 |
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Five Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-11 | [1],[3],[4]
Current Principal/Notional Amount | $ 3,612 |
Rate | 5.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 623 |
Interest Only - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Three Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2032-12 | [1],[3],[4]
Current Principal/Notional Amount | $ 3,642 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 515 |
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Four Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 3,560 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 513 |
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Four Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-05 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Four Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-11 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 2,659 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 463 |
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2038-01 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2040-05 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2038-11 | [1],[3],[4]
Current Principal/Notional Amount | $ 5,122 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 402 |
Interest Only - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Five Point FIve Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 3,749 |
Rate | 5.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 336 |
Interest Only - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Five Point FIve Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-01 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Five Point FIve Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2039-09 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Six Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2040-01 | [1],[3],[4]
Current Principal/Notional Amount | $ 1,613 |
Rate | 6.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 274 |
Interest Only - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation Four Point Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2043-07 | [1],[3],[4]
Current Principal/Notional Amount | $ 1,463 |
Rate | 4.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 254 |
Interest Only - Fixed Rate Agency Securities | Federal National Mortgage Association Three Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2041-09 | [1],[3],[4]
Current Principal/Notional Amount | $ 2,291 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 203 |
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 3,043 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 181 |
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Five Percent [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2037-05 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Five Percent [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2041-05 | [1],[3],[4]
Interest Only - Fixed Rate Agency Securities | Government National Mortgage Association Four Point Seven Five Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2040-07 | [1],[3],[4]
Current Principal/Notional Amount | $ 842 |
Rate | 4.75% |
TBA securities, at fair value (Current principal: $460,037) | $ 160 |
TBA - Fixed Rate Agency Securities |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 79.78% | [1],[2],[3],[4]
Current Principal/Notional Amount | $ 460,037 |
TBA securities, at fair value (Current principal: $460,037) | $ 474,860 |
TBA - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation (15 Year) 3 Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [1],[3],[4]
Current Principal/Notional Amount | $ 1,660 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 1,655 |
TBA - Fixed Rate Agency Securities | Government National Mortgage Association (30 Year) 5 Point 00 Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [1],[3],[4]
Current Principal/Notional Amount | $ 299,455 |
Rate | 5.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 311,515 |
TBA - Fixed Rate Agency Securities | Federal National Mortgage Association (30 Year) 4 Point 00 Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [1],[3],[4]
Current Principal/Notional Amount | $ 122,003 |
Rate | 4.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 124,376 |
TBA - Fixed Rate Agency Securities | Federal Home Loan Mortgage Corporation (30 Year) 3 Point 50 Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [1],[3],[4]
Current Principal/Notional Amount | $ 21,540 |
Rate | 3.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 21,529 |
TBA - Fixed Rate Agency Securities | Government National Mortgage Association (30 Year) 5 Point 50 Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [1],[3],[4]
Current Principal/Notional Amount | $ 10,579 |
Rate | 5.50% |
TBA securities, at fair value (Current principal: $460,037) | $ 11,058 |
TBA - Fixed Rate Agency Securities | Government National Mortgage Association (30 Year) 3 Point 00 Percent [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [1],[3],[4]
Current Principal/Notional Amount | $ 4,800 |
Rate | 3.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 4,727 |
Fixed Rate Agency Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 230.23% | [1],[2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 1,370,240 |
Investment Owned, at Cost | $ 1,388,115 | [1],[3],[4]
Principal And Interest - Floating Rate Agency Securities |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 10.24% | [1],[2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 60,971 |
Principal And Interest - Floating Rate Agency Securities | Government National Mortgage Association Pools [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 52,532 |
TBA securities, at fair value (Current principal: $460,037) | $ 55,475 |
Principal And Interest - Floating Rate Agency Securities | Government National Mortgage Association Pools [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2061-07 | [1],[3],[4]
Rate | 4.39% | [1],[3],[4]
Principal And Interest - Floating Rate Agency Securities | Government National Mortgage Association Pools [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2067-12 | [1],[3],[4]
Rate | 4.67% | [1],[3],[4]
Principal And Interest - Floating Rate Agency Securities | Federal National Mortgage Association Pools [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 3,515 |
TBA securities, at fair value (Current principal: $460,037) | $ 3,650 |
Principal And Interest - Floating Rate Agency Securities | Federal National Mortgage Association Pools [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2035-09 | [1],[3],[4]
Rate | 2.70% | [1],[3],[4]
Principal And Interest - Floating Rate Agency Securities | Federal National Mortgage Association Pools [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-05 | [1],[3],[4]
Rate | 4.69% | [1],[3],[4]
Principal And Interest - Floating Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 1,808 |
TBA securities, at fair value (Current principal: $460,037) | $ 1,846 |
Principal And Interest - Floating Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2037-06 | [1],[3],[4]
Rate | 3.49% | [1],[3],[4]
Principal And Interest - Floating Rate Agency Securities | Federal Home Loan Mortgage Corporation Pools [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2044-05 | [1],[3],[4]
Rate | 4.72% | [1],[3],[4]
Interest Only - Floating Rate Agency Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 3.19% | [1],[2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 19,006 |
Interest Only - Floating Rate Agency Securities [Member] | Government National Mortgage Association [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 228,763 |
TBA securities, at fair value (Current principal: $460,037) | $ 10,772 |
Interest Only - Floating Rate Agency Securities [Member] | Government National Mortgage Association [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2031-06 | [1],[3],[4]
Rate | 0.38% | [1],[3],[4]
Interest Only - Floating Rate Agency Securities [Member] | Government National Mortgage Association [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2066-10 | [1],[3],[4]
Rate | 5.64% | [1],[3],[4]
Interest Only - Floating Rate Agency Securities [Member] | Federal National Mortgage Association [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 70,568 |
TBA securities, at fair value (Current principal: $460,037) | $ 4,880 |
Interest Only - Floating Rate Agency Securities [Member] | Federal National Mortgage Association [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2033-06 | [1],[3],[4]
Rate | 1.13% | [1],[3],[4]
Interest Only - Floating Rate Agency Securities [Member] | Federal National Mortgage Association [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2046-11 | [1],[3],[4]
Rate | 5.50% | [1],[3],[4]
Interest Only - Floating Rate Agency Securities [Member] | Federal Home Loan Mortgage Corporation [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 48,699 |
TBA securities, at fair value (Current principal: $460,037) | $ 3,256 |
Interest Only - Floating Rate Agency Securities [Member] | Federal Home Loan Mortgage Corporation [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2036-03 | [1],[3],[4]
Rate | 1.55% | [1],[3],[4]
Interest Only - Floating Rate Agency Securities [Member] | Federal Home Loan Mortgage Corporation [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2044-01 | [1],[3],[4]
Rate | 4.19% | [1],[3],[4]
Interest Only - Floating Rate Agency Securities [Member] | Resecuritization of Government National Mortgage Association [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2060-08 | [1],[3],[4],[5]
Current Principal/Notional Amount | $ 5,220 |
Rate | 2.21% |
TBA securities, at fair value (Current principal: $460,037) | $ 98 |
Floating Rate Agency Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 13.43% | [1],[2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 79,977 |
Investment Owned, at Cost | $ 81,873 | [1],[3],[4]
Agency Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 243.66% | [1],[2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 1,450,217 |
Investment Owned, at Cost | $ 1,469,988 | [1],[3],[4]
Principal And Interest - Private Label Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 55.33% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 329,317 |
Investment Owned, at Cost | $ 326,430 | [3],[4]
Principal And Interest - Private Label Securities [Member] | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 27.62% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 164,410 |
Investment Owned, at Cost | $ 153,769 | [3],[4]
Principal And Interest - Private Label Securities [Member] | Europe [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 27.71% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 164,907 |
Investment Owned, at Cost | 172,661 | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 37,171 |
TBA securities, at fair value (Current principal: $460,037) | 15,137 |
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 227,479 |
TBA securities, at fair value (Current principal: $460,037) | 149,273 |
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Europe [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 24,978 |
TBA securities, at fair value (Current principal: $460,037) | 15,482 |
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Europe [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 183,154 |
TBA securities, at fair value (Current principal: $460,037) | $ 149,425 |
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Minimum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2049-03 | [3],[4]
Rate | 2.80% | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-05 | [3],[4]
Rate | 0.00% | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Minimum | Europe [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2020-10 | [3],[4]
Rate | 0.38% | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Minimum | Europe [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2025-06 | [3],[4]
Rate | 0.00% | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Maximum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2061-05 | [3],[4]
Rate | 3.29% | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2047-03 | [3],[4]
Rate | 24.56% | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Maximum | Europe [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-08 | [3],[4]
Rate | 4.29% | [3],[4]
Principal And Interest - Private Label Securities [Member] | Various Issuer [Member] | Maximum | Europe [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2052-12 | [3],[4]
Rate | 5.50% | [3],[4]
Interest Only - Private Label Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 1.22% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 7,230 |
Investment Owned, at Cost | 5,189 | [3],[4]
Interest Only - Private Label Securities [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 41,707 |
TBA securities, at fair value (Current principal: $460,037) | 3,289 |
Interest Only - Private Label Securities [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 30,842 |
TBA securities, at fair value (Current principal: $460,037) | $ 3,941 |
Interest Only - Private Label Securities [Member] | Various Issuer [Member] | Minimum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2049-03 | [3],[4]
Rate | 1.25% | [3],[4]
Interest Only - Private Label Securities [Member] | Various Issuer [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2030-12 | [3],[4]
Rate | 0.00% | [3],[4]
Interest Only - Private Label Securities [Member] | Various Issuer [Member] | Maximum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2061-05 | [3],[4]
Rate | 2.00% | [3],[4]
Interest Only - Private Label Securities [Member] | Various Issuer [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2047-09 | [3],[4]
Rate | 2.00% | [3],[4]
Other Private Label Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 0.00% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 0 |
Investment Owned, at Cost | 0 | [3],[4]
Other Private Label Securities [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | $ 0 |
Rate | 0.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 0 |
Other Private Label Securities [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2037-06 | [3],[4]
Other Private Label Securities [Member] | Various Issuer [Member] | Minimum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2045-07 | [3],[4]
Other Private Label Securities [Member] | Various Issuer [Member] | Maximum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2061-05 | [3],[4]
Private Label Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 56.55% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 336,547 |
Investment Owned, at Cost | $ 331,619 | [3],[4]
Mortgage-Backed Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 300.21% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 1,786,764 |
Investment Owned, at Cost | $ 1,801,607 | [3],[4]
CLOs |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 20.82% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 123,893 |
Investment Owned, at Cost | $ 139,424 | [3],[4]
CLOs | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 20.82% | [2],[3],[4],[6]
TBA securities, at fair value (Current principal: $460,037) | $ 123,893 |
Investment Owned, at Cost | 139,424 | [3],[4],[6]
CLOs | Various Issuer [Member] | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 269,224 |
TBA securities, at fair value (Current principal: $460,037) | $ 123,893 |
CLOs | Various Issuer [Member] | Minimum | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [3],[4],[6]
Rate | 0.00% | [3],[4],[6]
CLOs | Various Issuer [Member] | Maximum | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2118-10 | [3],[4],[6]
Rate | 10.54% | [3],[4],[6]
CLOs | Related Party CLO securitization [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 50,800 |
Consumer loans and asset-backed securities backed by consumer loans |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 34.74% | [2],[3],[4],[7]
TBA securities, at fair value (Current principal: $460,037) | $ 206,761 |
Investment Owned, at Cost | $ 211,982 | [3],[4],[7]
Consumer loans and asset-backed securities backed by consumer loans | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 34.59% | [2],[3],[4],[7]
TBA securities, at fair value (Current principal: $460,037) | $ 205,877 |
Investment Owned, at Cost | $ 211,221 | [3],[4],[7]
Consumer loans and asset-backed securities backed by consumer loans | Europe [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 0.15% | [2],[3],[4],[7]
TBA securities, at fair value (Current principal: $460,037) | $ 884 |
Investment Owned, at Cost | 761 | [3],[4],[7]
Consumer loans and asset-backed securities backed by consumer loans | Various Issuer [Member] | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 233,602 |
TBA securities, at fair value (Current principal: $460,037) | $ 205,877 |
Consumer loans and asset-backed securities backed by consumer loans | Various Issuer [Member] | Europe [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2030-12 | [3],[4],[7]
Current Principal/Notional Amount | $ 3,540 |
Rate | 0.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 884 |
Consumer loans and asset-backed securities backed by consumer loans | Various Issuer [Member] | Minimum | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-01 | [3],[4],[7],[8],[9]
Rate | 5.31% | [3],[4],[7],[8],[9]
Consumer loans and asset-backed securities backed by consumer loans | Various Issuer [Member] | Maximum | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2023-12 | [3],[4],[7],[8],[9]
Rate | 76.50% | [3],[4],[7],[8],[9]
Corporate debt securities |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 3.76% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 22,392 |
Investment Owned, at Cost | $ 24,268 | [3],[4]
Corporate debt securities | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 1.95% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 11,586 |
Investment Owned, at Cost | $ 11,949 | [3],[4]
Corporate debt securities | Europe [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 1.81% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 10,806 |
Investment Owned, at Cost | $ 12,319 | [3],[4]
Corporate debt securities | Various Issuer [Member] | North America [Member] | Communications [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2022-05 | [3],[4]
Current Principal/Notional Amount | $ 938 |
Rate | 0.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 824 |
Corporate debt securities | Various Issuer [Member] | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2027-01 | [3],[4]
Current Principal/Notional Amount | $ 3,342 |
Rate | 6.69% |
TBA securities, at fair value (Current principal: $460,037) | $ 3,141 |
Corporate debt securities | Various Issuer [Member] | North America [Member] | Energy [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2021-09 | [3],[4]
Current Principal/Notional Amount | $ 2,080 |
Rate | 4.63% |
TBA securities, at fair value (Current principal: $460,037) | $ 1,877 |
Corporate debt securities | Various Issuer [Member] | North America [Member] | Industrial Sector [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2021-12 | [3],[4]
Current Principal/Notional Amount | $ 1,755 |
Rate | 3.75% |
TBA securities, at fair value (Current principal: $460,037) | $ 1,742 |
Corporate debt securities | Various Issuer [Member] | North America [Member] | Technology Sector [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 4,570 |
TBA securities, at fair value (Current principal: $460,037) | $ 4,002 |
Corporate debt securities | Various Issuer [Member] | Europe [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-12 | [3],[4]
Current Principal/Notional Amount | $ 20,574 |
Rate | 0.00% |
TBA securities, at fair value (Current principal: $460,037) | $ 0 |
Corporate debt securities | Various Issuer [Member] | Europe [Member] | Financial [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 11,235 |
TBA securities, at fair value (Current principal: $460,037) | $ 10,806 |
Corporate debt securities | Various Issuer [Member] | Minimum | North America [Member] | Technology Sector [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2020-05 | [3],[4]
Corporate debt securities | Various Issuer [Member] | Minimum | Europe [Member] | Financial [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2020-10 | [3],[4]
Rate | 0.00% | [3],[4]
Corporate debt securities | Various Issuer [Member] | Minimum | Europe [Member] | Technology Sector [Member] |  |
Schedule of Investments [Line Items] |  |
Rate | 0.00% | [3],[4]
Corporate debt securities | Various Issuer [Member] | Maximum | North America [Member] | Technology Sector [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2022-05 | [3],[4]
Corporate debt securities | Various Issuer [Member] | Maximum | Europe [Member] | Financial [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2022-11 | [3],[4]
Rate | 16.00% | [3],[4]
Corporate debt securities | Various Issuer [Member] | Maximum | Europe [Member] | Technology Sector [Member] |  |
Schedule of Investments [Line Items] |  |
Rate | 4.38% | [3],[4]
Secured notes |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 1.83% | [2],[3],[4],[10]
TBA securities, at fair value (Current principal: $460,037) | $ 10,917 |
Investment Owned, at Cost | $ 12,138 | [3],[4],[10]
Secured notes | Various Issuer [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2057-11 | [3],[4],[10]
Current Principal/Notional Amount | $ 17,608 |
Rate | 5.00% | [3],[4],[10]
TBA securities, at fair value (Current principal: $460,037) | $ 10,917 |
Mortgage Loans [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 118.96% | [2],[3],[4],[7]
TBA securities, at fair value (Current principal: $460,037) | $ 708,015 |
Investment Owned, at Cost | 703,366 | [3],[4],[7]
Mortgage Loans [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 235,459 |
TBA securities, at fair value (Current principal: $460,037) | 211,185 |
Mortgage Loans [Member] | Various Issuer [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Current Principal/Notional Amount | 493,248 |
TBA securities, at fair value (Current principal: $460,037) | $ 496,830 |
Mortgage Loans [Member] | Various Issuer [Member] | Minimum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-03 | [3],[4],[7],[11]
Rate | 4.31% | [3],[4],[7],[11]
Mortgage Loans [Member] | Various Issuer [Member] | Minimum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2019-03 | [3],[4],[7],[12],[13]
Rate | 2.00% | [3],[4],[7],[12],[13]
Mortgage Loans [Member] | Various Issuer [Member] | Maximum | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2037-10 | [3],[4],[7],[11]
Rate | 12.74% | [3],[4],[7],[11]
Mortgage Loans [Member] | Various Issuer [Member] | Maximum | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2058-12 | [3],[4],[7],[12],[13]
Rate | 15.00% | [3],[4],[7],[12],[13]
Real estate owned |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 5.80% | [2],[3],[4],[7],[14]
TBA securities, at fair value (Current principal: $460,037) | $ 34,500 |
Investment Owned, at Cost | 35,371 | [3],[4],[7],[14]
Real estate owned | Single-Family Houses [Member] | North America [Member] | Real estate-related [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 1,296 |
Number of Real Estate Properties | property | 5 |
Real estate owned | Commercial Property [Member] | North America [Member] | Real estate-related [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 33,204 |
Number of Real Estate Properties | property | 18 |
Common stock |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 0.37% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 2,200 |
Investment Owned, at Cost | $ 2,482 | [3],[4]
Common stock | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 0.37% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 2,200 |
Investment Owned, at Cost | 2,482 | [3],[4]
Common stock | Exchange Traded Equity [Member] | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 25 |
Investment Owned, Balance, Shares | shares | 24 |
Common stock | Exchange Traded Equity [Member] | North America [Member] | Financial [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 2,175 |
Investment Owned, Balance, Shares | shares | 213 |
Corporate equity securities |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 7.36% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 43,793 |
Investment Owned, at Cost | 39,592 | [3],[4]
Corporate equity securities | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 1,100 |
Corporate equity securities | North America [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 7.36% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 43,789 |
Investment Owned, at Cost | $ 39,587 | [3],[4]
Corporate equity securities | Europe [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 0.00% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 4 |
Investment Owned, at Cost | 5 | [3],[4]
Corporate equity securities | Non-Exchange Traded Corporate Equity [Member] | North America [Member] | Communications [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 97 |
Investment Owned, Balance, Shares | shares | 7 |
Corporate equity securities | Non-Exchange Traded Corporate Equity [Member] | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 0 |
Investment Owned, Balance, Shares | shares | 1,540 |
Corporate equity securities | Non-Exchange Traded Corporate Equity [Member] | North America [Member] | Diversified [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 1,433 |
Investment Owned, Balance, Shares | shares | 144 |
Corporate equity securities | Non-Exchange Traded Corporate Equity [Member] | Europe [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 0 |
Investment Owned, Balance, Shares | shares | 125 |
Corporate equity securities | Non-Exchange Traded Corporate Equity [Member] | Europe [Member] | Financial [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 4 |
Investment Owned, Balance, Shares | shares | 0 |
Corporate equity securities | Investment in unconsolidated entities | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 4,045 |
Corporate equity securities | Non-Exchange Traded Preferred Equity Investment in Consumer Loan Originators [Member] [Domain] | North America [Member] | Consumer [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 3,000 |
Investment Owned, Balance, Shares | shares | 3,000 |
Corporate equity securities | Non-controlling Interest in Mortgage-related Private Partnership | North America [Member] | Mortgage-related Commercial |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 1,147 |
Corporate equity securities | Non-Exchange Traded Preferred Equity Investment in Mortgage Originators [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 27,317 |
Investment Owned, Balance, Shares | shares | 23 |
Corporate equity securities | Non-Exchange Traded Equity Investment in Mortgage Originators [Member] | North America [Member] | Mortgage-related Residential [Member] |  |
Schedule of Investments [Line Items] |  |
TBA securities, at fair value (Current principal: $460,037) | $ 6,750 |
Investment Owned, Balance, Shares | shares | 9,818 |
U.S. Treasury securities |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 0.01% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 76 |
Investment Owned, at Cost | $ 76 | [3],[4]
U.S. Treasury securities | U.S. Treasury Note, 2.75 Percent, Maturity Date 2023 04 [Member] | North America [Member] | Government [Member] |  |
Schedule of Investments [Line Items] |  |
Investments maturity date | 2023-04 | [3],[4]
Current Principal/Notional Amount | $ 75 |
Rate | 2.75% |
TBA securities, at fair value (Current principal: $460,037) | $ 76 |
Long Investments [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 493.86% | [2],[3],[4]
TBA securities, at fair value (Current principal: $460,037) | $ 2,939,311 |
Investment Owned, at Cost | $ 2,970,306 | [3],[4]
Long Investments [Member] | Government National Mortgage Association [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 107.55% |
Long Investments [Member] | Federal National Mortgage Association [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 93.99% |
Long Investments [Member] | Federal Home Loan Mortgage Corporation [Member] |  |
Schedule of Investments [Line Items] |  |
Investment owned as a percentage of equity | 42.12% |
Securitized residential mortgage loans |  |
Schedule of Investments [Line Items] |  |
Fair Value of Assets Transfered and Accounted for as Secured Borrowings | $ 314,200 |
[1] | At December 31, 2018, the Company's long investments guaranteed by the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation, and the Government National Mortgage Association, represented 93.99%, 42.12%, and 107.55% of Total Equity, respectively.
[2] | Classification percentages are based on Total Equity.
[3] | See Note 2 and Note 3 in Notes to Consolidated Financial Statements.
[4] | The table below shows the Company's long investment ratings from Moody's, Standard and Poor's, or Fitch, as well as the Company's long investments that were unrated but guaranteed by the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation, or the Government National Mortgage Association. Ratings tend to be a lagging credit indicator; as a result, the credit quality of the Company's long investment holdings may be lower than the credit quality implied based on the ratings listed below. In situations where an investment has a split rating, the lowest provided rating is used. The ratings descriptions include ratings qualified with a "+," "-," "1," "2," or "3."Rating Description Percent of EquityUnrated but Agency-Guaranteed 243.66%Aaa/AAA/AAA 0.01%Aa/AA/AA 0.63%A/A/A 4.73%Baa/BBB/BBB 1.84%Ba/BB/BB or below 46.34%Unrated 196.65%
[5] | Private trust 100% backed by interest in Government National Mortgage Association collateralized mortgage obligation certificates.
[6] | Includes investment in collateralized loan obligation notes in the amount of $50.8 million that were issued and are managed by related parties of the Company. See Note 9 to the Notes to Consolidated Financial Statements.
[7] | Loans and real estate owned are beneficially owned by the Company through participation certificates in the various trusts that hold such investments. See Note 9 to the Notes to Consolidated Financial Statements.
[8] | Includes investments in participation certificates related to loans held in a trust owned by a related party of Ellington Management Group, L.L.C. Through its participation certificates, the Company participates in the cash flows of the underlying loans held by the trust. At December 31, 2018 loans held in the related party trust for which the Company has participating interests in the cash flows, totaled $181.5 million. See Note 9 to the Notes to Consolidated Financial Statements.
[9] | Includes investments in participation certificates related to loans titled in the name of a related party of Ellington Management Group, L.L.C. Through its participation certificates, the Company has beneficial interests in the loan cash flows, net of servicing-related fees and expenses. At December 31, 2018 loans for which the Company has beneficial interests in the net cash flows, totaled $21.9 million. See Note 9 to the Notes to Consolidated Financial Statements.
[10] | Represents the Company's investment in a related party. See Note 9 to the Notes to Consolidated Financial Statements
[11] | Includes non-performing commercial mortgage loans in the amount of $47.3 million whereby principal and/or interest is past due and a maturity date is not applicable.
[12] | As of December 31, 2018, the Company had residential mortgage loans that were in the process of foreclosure with a fair value of $9.1 million.
[13] | Includes $314.2 million of non-qualified mortgage loans that have been securitized and are held in a consolidated securitization trusts. See Note 6 to the Notes to Consolidated Financial Statements.
[14] | Number of properties not shown in thousands, represents actual number of properties owned.

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