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Investment Activity (Asset Acquisition) (Details) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Feb. 28, 2023 USD ($) property unit | Nov. 30, 2022 USD ($) bedOrUnitInTheProperty | Apr. 30, 2022 USD ($) bedOrUnitInTheProperty | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Real Estate [Line Items] |  |  |  |  |
Proceeds from sale and collection of notes receivable | $ 14.2 |  | $ 9.1 |  |
Silverado Senior Living |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |
Initial lease rate | 7.50% |  |  |  |
Number of units in real estate property | property | 2 |  |  |  |
Term of master lease | 20 years |  |  |  |
Annual lease escalator | 2.00% |  |  |  |
Silverado Senior Living, Summerlin, NE |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |
Number of units in real estate property | unit | 60 |  |  |  |
Acquisition price | $ 37.5 |  |  |  |
Silverado Senior Living, Frederick, MD |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |
Number of units in real estate property | unit | 60 |  |  |  |
Bickford Senior Living Acquisition |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |
Asset acquisition, rent deferral deduction |  |  |  | $ 2.5 | $ 3.0
Encore Senior Living |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |
Initial lease rate |  |  | 7.25% |  |
Number of units in real estate property | bedOrUnitInTheProperty |  |  | 53 |  |
Acquisition price |  |  | $ 13.3 |  |
Term of master lease |  |  | 15 years |  |
Annual lease escalator |  |  | 2.50% |  |
Bickford | Bickford |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |
Initial lease rate | 8.00% | 8.00% |  |  |
Number of units in real estate property | 64 | 60 |  |  |
Acquisition price | $ 17.3 | $ 17.2 |  |  |
Term of master lease |  | 10 years 6 months |  |  |
Cancellation of outstanding construction note receivable | 0.5 | $ 14.0 |  |  |
Asset purchase transaction costs | $ 0.1 | 0.2 |  |  |
Asset acquisition, rent deferral deduction |  | $ 3.0 |  |  |

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