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Loans Receivable - Loans Receivable Secured by Real Estate (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) loan property | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Loans receivable |  |  |  |
Number of Loans (in loans) | loan | 9 |  |  |
Face Amount of Mortgages | $ 161,530 |  |  |
Carrying Amount | 157,572 | $ 161,964 | $ 42,037 | $ 188,418
Interest income | 16,553 | 9,844 | 10,406 |
Secured Mortgage Loans |  |  |  |
Loans receivable |  |  |  |
Interest income | $ 13,000 | $ 6,000 | $ 5,000 |
Mortgage loan on real estate, Texas due 2021 |  |  |  |
Loans receivable |  |  |  |
Number of Loans (in loans) | loan | 1 |  |  |
Face Amount of Mortgages | $ 2,250 |  |  |
Carrying Amount | $ 2,250 |  |  |
Interest Rate | 7.50% |  |  |
Mortgage Loans On Real Estate Interest Senior Housing Facility Only Florida Due 2021 |  |  |  |
Loans receivable |  |  |  |
Number of Loans (in loans) | loan | 1 |  |  |
Face Amount of Mortgages | $ 8,289 |  |  |
Carrying Amount | $ 8,289 |  |  |
Interest Rate | 7.50% |  |  |
Mortgage loan on real estate, Florida and California due 2021 |  |  |  |
Loans receivable |  |  |  |
Number of Loans (in loans) | loan | 4 |  |  |
Face Amount of Mortgages | $ 61,018 |  |  |
Carrying Amount | $ 57,861 |  |  |
Interest Rate | 3.50% |  |  |
Mortgage loan on real estate, California due 2022 |  |  |  |
Loans receivable |  |  |  |
Number of Loans (in loans) | loan | 1 |  |  |
Face Amount of Mortgages | $ 25,000 |  |  |
Carrying Amount | $ 24,462 |  |  |
Interest Rate | 5.50% |  |  |
Number of properties acquired | property | 11 |  |  |
Mortgage loan on real estate, Florida due 2026 |  |  |  |
Loans receivable |  |  |  |
Number of Loans (in loans) | loan | 1 |  |  |
Face Amount of Mortgages | $ 51,716 |  |  |
Carrying Amount | $ 51,233 |  |  |
Interest Rate | 2.00% |  |  |
Mortgage loan on real estate, Florida due 2026 | LIBOR |  |  |  |
Loans receivable |  |  |  |
Interest Rate | 4.25% |  |  |
Mortgage loan on real estate, California due 2026 |  |  |  |
Loans receivable |  |  |  |
Number of Loans (in loans) | loan | 1 |  |  |
Face Amount of Mortgages | $ 13,257 |  |  |
Carrying Amount | $ 13,477 |  |  |
Interest Rate | 2.00% |  |  |
Mortgage loan on real estate, California due 2026 | LIBOR |  |  |  |
Loans receivable |  |  |  |
Interest Rate | 4.25% |  |  |

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- Definition Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column F -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column F)) -URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
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