| Cover - USD ($) | 12 Months Ended | ||
| Dec. 31, 2020 | Mar. 05, 2021 | Jun. 30, 2020 | |
| Class of Stock [Line Items] | |||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Accelerated Filer | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | true | ||
| Entity Public Float | $ 478,888,017 | ||
| Entity Shell Company | false | ||
| Entity Common Stock, Shares Outstanding | 43,781,684 | ||
| Document Fiscal Year Focus | 2020 | ||
| Document Fiscal Period Focus | FY | ||
| Entity Central Index Key | 0001411342 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Amendment Flag | false | ||
| Document Type | 10-K/A | ||
| Document Period End Date | Dec. 31, 2020 | ||
| Entity File Number | 001-34569 | ||
| Entity Registrant Name | Ellington Financial Inc. | ||
| Entity Address, Address Line One | 53 Forest Avenue | ||
| Entity Address, City or Town | Old Greenwich | ||
| Entity Address, State or Province | CT | ||
| Entity Address, Postal Zip Code | 06870 | ||
| City Area Code | 203 | ||
| Local Phone Number | 698-1200 | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 26-0489289 | ||
| Common Stock | |||
| Class of Stock [Line Items] | |||
| Title of 12(b) Security | Common Stock, $0.001 par value per share | ||
| Security Exchange Name | NYSE | ||
| Trading Symbol | EFC | ||
| Cumulative Preferred Stock | |||
| Class of Stock [Line Items] | |||
| Title of 12(b) Security | 6.750% Series A Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock | ||
| Security Exchange Name | NYSE | ||
| Trading Symbol | EFC PR A |
| SEC Schedule, Article 12-29, Mortgage Loans on Real Estate | 12 Months Ended |
| Dec. 31, 2020 | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate | Ellington Financial Inc. Schedule IV—Mortgage Loans on Real Estate December 31, 2020 Asset Type Description Number of Loans Interest Rate Maturity Date Periodic Payment Terms Prior Liens Face Amount of Mortgages Carrying Amount of Mortgages (1)(2) Principal Amount of loans subject to delinquent principal or interest Residential Mortgage Loans: (In thousands) Adjustable Rate Residential Mortgage Loan $0–$249,999 39 2.00%–8.38% 11/30–8/57 n/a n/a n/a $ 4,464 $ 2,617 Adjustable Rate Residential Mortgage Loan $250,000–$499,999 31 2.00%–9.25% 12/36–2/60 n/a n/a n/a 9,634 8,029 Adjustable Rate Residential Mortgage Loan $500,000–$749,999 16 3.00%–7.37% 7/35–9/55 n/a n/a n/a 8,193 7,773 Adjustable Rate Residential Mortgage Loan $750,000–$999,999 3 3.38%–6.75% 5/36–9/48 n/a n/a n/a 2,223 2,675 Adjustable Rate Residential Mortgage Loan $1,000,000–$1,249,999 1 6.99% 7/48 n/a n/a n/a 902 1,003 Adjustable Rate Residential Mortgage Loan $1,250,000–$1,499,999 1 5.37% 1/50 n/a n/a n/a 1,343 — Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $0–$249,999 397 4.00%–9.99% 6/46–4/50 n/a n/a n/a 69,577 1,938 Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $250,000–$499,999 419 4.25%–8.88% 4/46–2/60 n/a n/a n/a 142,200 4,988 Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $500,000–$749,999 155 4.50%–8.75% 3/46–4/60 n/a n/a n/a 91,987 2,299 Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $750,000–$999,999 71 4.13%–8.38% 3/46–10/59 n/a n/a n/a 60,871 4,441 Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $1,000,000–$1,249,999 34 4.62%–7.63% 8/46–3/60 n/a n/a n/a 36,567 — Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $1,250,000–$1,499,999 21 4.50%–7.49% 11/46–2/60 n/a n/a n/a 29,582 2,894 Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $1,500,000–$1,749,999 18 4.88%–7.00% 2/47–3/60 n/a n/a n/a 26,915 3,264 Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $1,750,000–$1,999,999 5 4.75%–8.50% 11/48–12/59 n/a n/a n/a 9,520 — Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $2,250,000–$2,499,999 6 4.63%–5.99% 6/48–9/59 n/a n/a n/a 14,450 — Adjustable Rate Residential Mortgage Loan Held in Securitization Trust $2,500,000–$2,749,999 3 4.99%–5.25% 7/49–11/59 n/a n/a n/a 7,996 — Fixed Rate Residential Mortgage Loan $0–$249,999 389 2.00%–14.00% 1/21–1/61 n/a n/a n/a 57,568 5,184 Fixed Rate Residential Mortgage Loan $250,000–$499,999 251 3.50%–13.00% 1/21–1/61 n/a n/a n/a 87,013 3,829 Asset Type Description Number of Loans Interest Rate Maturity Date Periodic Payment Terms Prior Liens Face Amount of Mortgages Carrying Amount of Mortgages (1)(2) Principal Amount of loans subject to delinquent principal or interest Residential Mortgage Loans (Continued): (In thousands) Fixed Rate Residential Mortgage Loan $500,000–$749,999 98 4.00%–20.00% 1/21–1/61 n/a n/a n/a 59,912 3,427 Fixed Rate Residential Mortgage Loan $750,000–$999,999 49 4.50%–11.55% 1/21–11/60 n/a n/a n/a 42,823 3,553 Fixed Rate Residential Mortgage Loan $1,000,000–$1,249,999 34 3.99%–9.50% 10/21–1/61 n/a n/a n/a 38,198 1,088 Fixed Rate Residential Mortgage Loan $1,250,000–$1,499,999 19 4.24%–10.65% 9/21–12/60 n/a n/a n/a 26,481 — Fixed Rate Residential Mortgage Loan $1,500,000–$1,749,999 8 4.13%–8.99% 8/21–1/61 n/a n/a n/a 13,546 — Fixed Rate Residential Mortgage Loan $1,750,000–$1,999,999 4 3.88%–5.50% 11/50–1/61 n/a n/a n/a 7,874 — Fixed Rate Residential Mortgage Loan $2,000,000–$2,249,999 3 5.88%–6.50% 10/50–1/61 n/a n/a n/a 6,591 — Fixed Rate Residential Mortgage Loan $2,250,000–$2,499,999 3 5.99%–9.00% 9/21–12/50 n/a n/a n/a 7,308 — Fixed Rate Residential Mortgage Loan $2,500,000–$2,749,999 3 4.25%–5.25% 1/51–1/61 n/a n/a n/a 7,999 — Fixed Rate Residential Mortgage Loan $3,250,000–$3,499,000 1 6.13% 10/60 n/a n/a n/a 3,654 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $0–$249,999 260 4.63%–8.63% 1/47–9/60 n/a n/a n/a 44,822 176 Fixed Rate Residential Mortgage Loan Held in Securitization Trust $250,000–$499,999 227 4.00%–8.38% 12/34–9/60 n/a n/a n/a 80,323 1,539 Fixed Rate Residential Mortgage Loan Held in Securitization Trust $500,000–$749,999 107 4.50%–7.63% 11/47–9/60 n/a n/a n/a 65,494 3,792 Fixed Rate Residential Mortgage Loan Held in Securitization Trust $750,000–$999,999 49 4.25%–8.13% 5/48–9/60 n/a n/a n/a 41,486 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $1,000,000–$1,249,999 18 4.50%–6.38% 5/48–9/60 n/a n/a n/a 19,603 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $1,250,000–$1,499,999 20 4.50%–6.38% 12/47–7/60 n/a n/a n/a 28,010 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $1,500,000–$1,749,999 3 4.50%–5.50% 11/47–8/60 n/a n/a n/a 4,882 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $1,750,000–$1,999,999 6 4.38%–6.38% 8/48–8/60 n/a n/a n/a 11,912 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $2,000,000–$2,249,999 3 5.12%–6.24% 4/50–4/59 n/a n/a n/a 6,829 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $2,250,000–$2,499,999 1 6.00% 1/59 n/a n/a n/a 2,508 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $2,500,000–$2,749,999 1 6.50% 12/60 n/a n/a n/a 2,782 — Fixed Rate Residential Mortgage Loan Held in Securitization Trust $3,000,000–$3,249,999 1 5.38% 5/49 n/a n/a n/a 3,027 — Total Residential Mortgage Loans 1,187,069 64,509 Asset Type Description Number of Loans Interest Rate Maturity Date Periodic Payment Terms Prior Liens Face Amount of Mortgages Carrying Amount of Mortgages (1)(2) Principal Amount of loans subject to delinquent principal or interest Commercial Mortgage Loans: (In thousands) Adjustable Rate Commercial Mortgage Loan $0–$4,999,999 10 3.37%–9.00% 1/21–10/37 n/a n/a n/a 28,692 3,983 Adjustable Rate Commercial Mortgage Loan $5,000,000–$9,999,999 9 7.00%–8.50% 3/21–4/22 n/a n/a n/a 65,776 16,500 Adjustable Rate Commercial Mortgage Loan $10,000,000–$14,999,999 5 8.00%–11.00% 10/21–3/22 n/a n/a n/a 58,999 23,750 Adjustable Rate Commercial Mortgage Loan $15,000,000–$19,999,999 3 8.25%–9.00% 8/21–9/21 n/a n/a n/a 46,633 — Adjustable Rate Commercial Mortgage Loan $25,000,000–$29,999,999 1 7.10% 2/21 n/a n/a n/a 12,558 — Fixed Rate Commercial Mortgage Loan $5,000,000–$9,999,999 1 8.00% 3/21 n/a n/a n/a 373 — Total Commercial Mortgage Loans 213,031 44,233 Total Mortgage Loans 1,400,100 108,742 (1) Aggregate cost for federal income tax purposes is $598.8 million for commercial and non-securitized residential mortgage loans. Excluded from this amount is the cost basis for federal income tax purposes of $801.3 million of securitized residential loans; such loans have been deemed to be sold for tax purposes but do not meet the requirements for true sale under U.S. GAAP. (2) As of December 31, 2020, all of the Company's mortgage loans were carried at fair value. See Note 2 and Note 3 in the notes to our consolidated financial statements for the year ended December 31, 2020 for additional details. The following table presents a roll-forward of the fair value of the Company's mortgage loans on real estate for the year ended December 31, 2020. Year Ended December 31, 2020 December 31, 2019 (In thousands) Beginning Balance $ 1,206,962 $ 692,131 Additions: Purchases 716,241 837,502 Net unrealized gain 11,427 6,717 Net realized gain — 3,878 Deductions: Cost of mortgages sold (28,613) (28,805) Collections of principal (496,186) (275,520) Amortization of premium and (discounts) (6,317) (6,363) Foreclosures (3,384) (22,578) Net realized loss (30) — Ending Balance $ 1,400,100 $ 1,206,962 |
| SEC Schedule, Article 12-29, Mortgage Loans on Real Estate (Details) $ in Thousands | 12 Months Ended |
| Dec. 31, 2020USD ($)loan | |
| Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 1,187,069 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | 64,509 |
| Residential Mortgage | Securitized loans | Consolidated Entities | Non-QM loan securitization | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| Investment in loans | 801,300 |
| Commercial Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | 213,031 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | 44,233 |
| Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | 1,400,100 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | 108,742 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Federal Income Tax Basis | $ 598,800 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 39 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 4,464 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 2,617 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 2.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2030 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Aug. 1, 2057 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 397 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 69,577 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 1,938 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jun. 1, 2046 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 9.99% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Apr. 1, 2050 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 31 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 9,634 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 8,029 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 2.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Dec. 1, 2036 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 9.25% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Feb. 1, 2060 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 419 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 142,200 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 4,988 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.25% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Apr. 1, 2046 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.88% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Feb. 1, 2060 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 16 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 8,193 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 7,773 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 3.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jul. 1, 2035 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 7.37% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2055 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 155 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 91,987 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 2,299 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Mar. 1, 2046 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.75% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Apr. 1, 2060 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 2,223 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 2,675 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 3.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | May 1, 2036 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.75% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2048 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 71 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 60,871 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 4,441 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.13% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Mar. 1, 2046 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Oct. 1, 2059 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 902 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 1,003 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.99% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jul. 1, 2048 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 34 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 36,567 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.62% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Aug. 1, 2046 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 7.63% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Mar. 1, 2060 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 1,343 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.37% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2050 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 21 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 29,582 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 2,894 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2046 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 7.49% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Feb. 1, 2060 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 18 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 26,915 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 3,264 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.88% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Feb. 1, 2047 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 7.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Mar. 1, 2060 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 5 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 9,520 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.75% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2048 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Dec. 1, 2059 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 6 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 14,450 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.63% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jun. 1, 2048 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.99% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2059 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,500,000 and $2,749,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 7,996 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,500,000 and $2,749,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.99% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jul. 1, 2049 |
| Adjustable Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,500,000 and $2,749,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.25% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2059 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 389 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 57,568 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 5,184 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 2.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 14.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 260 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 44,822 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 176 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.63% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2047 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $250,000 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.63% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 251 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 87,013 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 3,829 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 3.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 13.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 227 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 80,323 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 1,539 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Dec. 1, 2034 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $250,000 and $499,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 98 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 59,912 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 3,427 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 20.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 107 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 65,494 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 3,792 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2047 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $500,000 and $749,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 7.63% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 49 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 42,823 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 3,553 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 11.55% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 49 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 41,486 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.25% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | May 1, 2048 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $750,000 and $999,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.13% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 34 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 38,198 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 1,088 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 3.99% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Oct. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 9.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 18 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 19,603 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | May 1, 2048 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,00,000 and $1,249,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 19 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 26,481 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.24% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 10.65% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Dec. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 20 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 28,010 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Dec. 1, 2047 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jul. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 8 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 13,546 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.13% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Aug. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.99% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 4,882 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2047 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,500,000 and $1,749,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Aug. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 4 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 7,874 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 3.88% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Nov. 1, 2050 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 6 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 11,912 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Aug. 1, 2048 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,750,000 and $1,999,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Aug. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 7,308 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.99% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2021 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 9.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Dec. 1, 2050 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,250,000 and $2,499,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 2,508 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2059 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,500,000 and $2,749,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 7,999 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,500,000 and $2,749,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.25% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2051 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,500,000 and $2,749,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.25% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,500,000 and $2,749,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 2,782 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Dec. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 6,591 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential Mortgage | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.88% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Oct. 1, 2050 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential Mortgage | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2061 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 6,829 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential Mortgage | Securitized loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.12% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Apr. 1, 2050 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $2,000,000 and $2,249,999 | Residential Mortgage | Securitized loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.24% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Apr. 1, 2059 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,250,000 and $3,499,000 | Residential Mortgage | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 3,654 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 6.13% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Oct. 1, 2060 |
| Fixed Rate Residential Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $3,000,000 and $3,249,999 | Residential Mortgage | Securitized loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 3,027 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 5.38% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | May 1, 2049 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $1,250,000 and $1,499,999 | Commercial Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 12,558 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 7.10% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Feb. 1, 2021 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $5,000,000 | Commercial Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 10 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 28,692 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 3,983 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $5,000,000 | Commercial Mortgage Loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 3.37% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Jan. 1, 2021 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans under $5,000,000 | Commercial Mortgage Loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 9.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Oct. 1, 2037 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $5,000,000 and $9,999,999 | Commercial Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 9 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 65,776 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 16,500 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $5,000,000 and $9,999,999 | Commercial Mortgage Loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 7.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Mar. 1, 2021 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $5,000,000 and $9,999,999 | Commercial Mortgage Loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.50% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Apr. 1, 2022 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $10,000,000 and $14,999,999 | Commercial Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 5 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 58,999 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 23,750 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $10,000,000 and $14,999,999 | Commercial Mortgage Loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Oct. 1, 2021 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $10,000,000 and $14,999,999 | Commercial Mortgage Loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 11.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Mar. 1, 2022 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $15,000,000 and $19,999,999 | Commercial Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 3 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 46,633 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $15,000,000 and $19,999,999 | Commercial Mortgage Loans | Minimum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.25% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Aug. 1, 2021 |
| Adjustable Rate Commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $15,000,000 and $19,999,999 | Commercial Mortgage Loans | Maximum | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 9.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Sep. 1, 2021 |
| Fixed Rate commercial Mortgage | SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans between $5,000,000 and $9,999,000 | Commercial Mortgage Loans | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | loan | 1 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages | $ 373 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans | $ 0 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 8.00% |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date | Mar. 1, 2021 |
| SEC Schedule, Article 12-29, Mortgage Loans on Real Estate (Roll forward) - Mortgage Loans - USD ($) $ in Thousands | 12 Months Ended | ||
| Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] | |||
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate | $ 1,400,100 | $ 1,206,962 | $ 692,131 |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, New Mortgage Loan | 716,241 | 837,502 | |
| Net unrealized gains | 11,427 | 6,717 | |
| Net realized gains | 0 | 3,878 | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Cost of Mortgage Sold | (28,613) | (28,805) | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal | (496,186) | (275,520) | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium | (6,317) | (6,363) | |
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure | (3,384) | (22,578) | |
| Net realized loss | $ (30) | $ 0 | |
