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Real Estate Investments - Mortgage Loan (Details) | 3 Months Ended |
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Mar. 31, 2024 USD ($) loan item property state $ / item | Sep. 30, 2023 USD ($) item period | Mar. 31, 2023 USD ($) item | Dec. 31, 2023 USD ($)
Real Estate [Line Items] |  |  |  |
Gross Investment | $ 1,342,921,000 |  |  |
Percentage of Investment | 100.00% |  |  |
Number of properties | property | 127 |  |  |
Notes receivable, net of credit loss reserve | $ 59,946,000 |  |  | $ 60,490,000
Remaining commitment | $ 66,218,000 |  |  |
Additional interest income related to the exit IRR |  |  | $ 1,380,000 |
SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 6,231 |  |  |
ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 4,657 |  |  |
SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Gross Investment | $ 597,015,000 |  |  |
Percentage of Investment | 44.50% |  |  |
Number of properties | property | 50 |  |  |
Average Investment per Bed/Unit | $ / item | 94.03 |  |  |
SNF | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 6,113 |  |  |
SNF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 236 |  |  |
ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Gross Investment | $ 733,901,000 |  |  |
Percentage of Investment | 54.60% |  |  |
Number of properties | property | 76 |  |  |
Average Investment per Bed/Unit | $ / item | 166.00 |  |  |
ALF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 4,421 |  |  |
ILF/ALF/MC | Georgia |  |  |  |
Real Estate [Line Items] |  |  |  |
Payments to Acquire Real Estate |  |  | $ 51,111,000 |
Mezzanine loan |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item |  |  | 136 |
Additional interest income related to the exit IRR |  |  | $ 1,380,000 |
Mezzanine loan | ILF/ALF/MC | Georgia |  |  |  |
Real Estate [Line Items] |  |  |  |
Gross Investment |  |  | 42,251,000 |
Mortgage loans with 7.5% Interest Maturing 2024 | Mezzanine loan |  |  |  |
Real Estate [Line Items] |  |  |  |
Notes receivable, net of credit loss reserve |  |  | $ 7,461,000 |
Mortgage loans with 9.8% Interest Maturing 2045 | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 10.10% |  |  |
Mortgage Loans |  |  |  |
Real Estate [Line Items] |  |  |  |
Gross Investment | $ 485,095,000 |  |  |
Percentage of Investment | 100.00% |  |  |
Number of Loans | loan | 15 |  |  |
Number of properties | property | 46 |  |  |
Average Investment per Bed/Unit | $ / item | 114.60 |  |  |
Number of states in which properties are located | state | 8 |  |  |
Number of borrowers | item | 9 |  |  |
Mortgage Loans | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 3,041 |  |  |
Mortgage Loans | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 1,192 |  |  |
Mortgage Loans | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 2.25% |  |  |
Mortgage Loans | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Internal Rate of Return | 8.00% |  |  |
Mortgage Loans | ILF/ALF/MC | Georgia |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) |  |  | 7.50% |
Gross Investment |  |  | $ 51,111,000 |
Number of beds/units | item |  |  | 203 |
Internal Rate of Return |  |  | 7.75% |
Mortgage Loans | Mortgage loans with 7.5% Interest Maturing 2023 | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 91 |  |  |
Mortgage Loans | Mortgage loans with 7.5% Interest Maturing 2024 | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.50% |  |  |
Gross Investment | $ 29,346,000 |  |  |
Percentage of Investment | 6.00% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 1 |  |  |
Average Investment per Bed/Unit | $ / item | 155.27 |  |  |
Mortgage Loans | Mortgage loans with 7.5% Interest Maturing 2024 | SNF | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 189 |  |  |
Mortgage Loans | Mortgage loans with 7.5% Interest Maturing 2024 | OTH |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.50% |  |  |
Gross Investment | $ 2,013,000 |  |  |
Percentage of Investment | 0.40% |  |  |
Number of Loans | loan | 1 |  |  |
Mortgage Loans | Mortgage loans with 7.5% Interest Maturing 2024 | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.50% |  |  |
Gross Investment | $ 51,111,000 |  |  |
Percentage of Investment | 10.50% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 1 |  |  |
Average Investment per Bed/Unit | $ / item | 251.78 |  |  |
Mortgage Loans | Mortgage loans with 7.5% Interest Maturing 2024 | ALF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 203 |  |  |
Mortgage Loans | Mortgage loans with 8.8% Interest Maturing 2025 | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 8.80% |  |  |
Gross Investment | $ 4,000,000 |  |  |
Percentage of Investment | 0.80% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 2 |  |  |
Average Investment per Bed/Unit | $ / item | 43.48 |  |  |
Mortgage Loans | Mortgage loans with 8.8% Interest Maturing 2025 | ALF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 92 |  |  |
Mortgage Loans | Mortgage loans with 7.8% Interest Maturing 2025 | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.80% |  |  |
Gross Investment | $ 16,706,000 |  |  |
Percentage of Investment | 3.50% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 1 |  |  |
Average Investment per Bed/Unit | $ / item | 149.16 |  |  |
Mortgage Loans | Mortgage loans with 7.8% Interest Maturing 2025 | ALF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 112 |  |  |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2025, NC | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.30% |  |  |
Gross Investment | $ 10,750,000 |  | $ 10,750,000 |
Percentage of Investment | 2.20% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 1 |  |  |
Average Investment per Bed/Unit | $ / item | 238.89 |  |  |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2025, NC | ALF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 45 |  |  |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2025, NC | ALF | ALF Units | North Carolina |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) |  |  | 7.25% |
Number of beds/units | item |  |  | 45 |
Internal Rate of Return |  |  | 9.00% |
Loan Term |  |  | 2 years |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2025, NC/SC | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.30% |  |  |
Gross Investment | $ 58,519,000 |  |  |
Percentage of Investment | 12.10% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 13 |  |  |
Average Investment per Bed/Unit | $ / item | 111.89 |  |  |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2025, NC/SC | ALF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 523 |  |  |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2026 | OTH |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.30% |  |  |
Gross Investment | $ 826,000 |  |  |
Percentage of Investment | 0.20% |  |  |
Number of Loans | loan | 1 |  |  |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2026 | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 7.30% |  |  |
Gross Investment | $ 34,043,000 |  |  |
Percentage of Investment | 7.00% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 4 |  |  |
Average Investment per Bed/Unit | $ / item | 156.88 |  |  |
Mortgage Loans | Mortgage loans with 7.3% Interest Maturing 2026 | ALF | ALF Units |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 217 |  |  |
Mortgage Loans | Mortgage loans with 8.8% Interest Maturing 2026 | UDP |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 8.80% |  |  |
Gross Investment | $ 2,940,000 |  |  |
Percentage of Investment | 0.60% |  |  |
Number of Loans | loan | 1 |  |  |
Mortgage Loans | Mortgage loans with 8.8% Interest Maturing 2028 | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 8.80% |  |  |
Gross Investment | $ 16,500,000 |  |  |
Percentage of Investment | 3.40% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 1 |  |  |
Average Investment per Bed/Unit | $ / item | 110.00 |  |  |
Mortgage Loans | Mortgage loans with 8.8% Interest Maturing 2028 | SNF | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 150 |  |  |
Mortgage Loans | Mortgage loans with 10.3% Interest Maturing 2045 | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 10.50% |  |  |
Gross Investment | $ 14,825,000 |  |  |
Percentage of Investment | 3.10% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 1 |  |  |
Average Investment per Bed/Unit | $ / item | 101.54 |  |  |
Mortgage Loans | Mortgage loans with 10.3% Interest Maturing 2045 | SNF | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 146 |  |  |
Mortgage Loans | Mortgage loans with 10.6% Interest Maturing 2043 | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 10.80% |  |  |
Gross Investment | $ 183,966,000 |  |  |
Percentage of Investment | 37.90% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 15 |  |  |
Average Investment per Bed/Unit | $ / item | 98.12 |  |  |
Mortgage Loans | Mortgage loans with 10.6% Interest Maturing 2043 | SNF | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 1,875 |  |  |
Mortgage Loans | Mortgage loans with 9.6% Interest Maturing 2045 [Member] | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) | 9.80% |  |  |
Gross Investment | $ 39,850,000 |  |  |
Percentage of Investment | 8.20% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 4 |  |  |
Average Investment per Bed/Unit | $ / item | 83.02 |  |  |
Mortgage Loans | Mortgage loans with 9.6% Interest Maturing 2045 [Member] | SNF | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 480 |  |  |
Mortgage Loans | Mortgage Loans with 10.1% Interest Maturing 2045 | SNF |  |  |  |
Real Estate [Line Items] |  |  |  |
Gross Investment | $ 19,700,000 |  |  |
Percentage of Investment | 4.10% |  |  |
Number of Loans | loan | 1 |  |  |
Number of properties | property | 2 |  |  |
Average Investment per Bed/Unit | $ / item | 98.01 |  |  |
Mortgage Loans | Mortgage Loans with 10.1% Interest Maturing 2045 | SNF | SNF Beds |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of beds/units | item | 201 |  |  |
Mortgage Loans | Mortgage Loans With 8.75 Interest | ALF |  |  |  |
Real Estate [Line Items] |  |  |  |
Interest rate (as a percent) |  | 8.75% |  |
Gross Investment |  | $ 19,500,000 |  |
Number of beds/units | item |  | 85 |  |
Borrower contribution |  | $ 12,100,000 |  |
Remaining commitment | $ 16,600 | $ 16,600 |  |
Loan Term |  | 3 years |  |
Extension term number of options | period |  | 2 |  |
Extension period of mortgage loan on real estate properties |  | 1 year |  |

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