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Schedule IV: Mortgage Loans on Real Estate (Details) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) property | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 1,391 |  |  |
Face Amount of Mortgages | 396,281 |  |  |
Carrying Amount of Mortgages | 390,291 | $ 157,572 | $ 161,964 | $ 42,037
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Texas, Florida, and California |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Number of properties with first mortgages | property | 1 |  |  |
Mortgage loan on real estate, Texas due 2021 | Other Non-reportable | Texas |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 7.50% |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 14 |  |  |
Face Amount of Mortgages | 2,250 |  |  |
Carrying Amount of Mortgages | 2,191 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Mortgage loan on real estate, California due 2026 | Other Non-reportable | California |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 4.25% |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 97 |  |  |
Face Amount of Mortgages | 18,420 |  |  |
Carrying Amount of Mortgages | 18,604 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Mortgage loan on real estate, California due 2026 | LIBOR | Other Non-reportable | California |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 2.00% |  |  |
Mortgage loan on real estate, Florida due 2022 | Other Non-reportable | Florida |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 4.00% |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 25 |  |  |
Face Amount of Mortgages | 7,798 |  |  |
Carrying Amount of Mortgages | 7,246 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Mortgage loan on real estate, Florida due 2022 | Other Non-reportable | Florida |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 4.00% |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 13 |  |  |
Face Amount of Mortgages | 3,912 |  |  |
Carrying Amount of Mortgages | 3,582 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Mortgage loan on real estate, Florida due 2022 | Other Non-reportable | Florida |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 4.00% |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 45 |  |  |
Face Amount of Mortgages | 14,208 |  |  |
Carrying Amount of Mortgages | 14,180 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Mortgage loan on real estate, California due 2022 | Other Non-reportable | California |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 4.00% |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 113 |  |  |
Face Amount of Mortgages | 35,100 |  |  |
Carrying Amount of Mortgages | 34,994 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Mortgage loan on real estate, multiple due 2024 |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Number of properties with first mortgages | property | 18 |  |  |
Mortgage loan on real estate, multiple due 2024 | Other Non-reportable |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 3.50% |  |  |
Mortgage loan on real estate, multiple due 2024 | Other Non-reportable | Texas, Florida, and California |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 569 |  |  |
Face Amount of Mortgages | 165,093 |  |  |
Carrying Amount of Mortgages | 161,618 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |
Mortgage loan on real estate, multiple due 2024 | LIBOR | Other Non-reportable |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 0.50% |  |  |
Mortgage loan on real estate, multiple due 2023 |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Number of properties with first mortgages | property | 16 |  |  |
Mortgage loan on real estate, multiple due 2023 | Other Non-reportable | Texas, Florida, and California |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Interest Rate | 4.00% |  |  |
Prior Liens | $ 0 |  |  |
Monthly Debt Service | 515 |  |  |
Face Amount of Mortgages | 149,500 |  |  |
Carrying Amount of Mortgages | 147,876 |  |  |
Principal Amount Subject to Delinquent Principal or Interest | $ 0 |  |  |

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