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Land, Buildings and Improvements - Narratives (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 property | Mar. 31, 2024 USD ($) property | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($)
Real Estate Properties |  |  |  |
Increase (decrease) in value of balance sheet item due to foreign currency translation |  | $ (2,230) | $ 131 |
Depreciation |  | 7,100 | 7,800 |
Capitalized accrued costs |  | 800 |  |
Lease termination income |  | 4,700 |  |
Other income |  | $ 500 | $ 400 |
Properties Disposed of by Sale |  |  |  |
Real Estate Properties |  |  |  |
Number of properties sold (property) | property | 4 | 2 |  |
Properties Disposed of by Sale | Land, Buildings and Improvements |  |  |  |
Real Estate Properties |  |  |  |
Number of properties sold (property) | property |  | 1 |  |
Increase (decrease) in carrying value of real estate |  | $ (46,700) |  |
Real Estate Investment Property, At Cost, Real Estate Leased |  |  |  |
Real Estate Properties |  |  |  |
Increase (decrease) in value of balance sheet item due to foreign currency translation |  | $ (4,900) |  | $ (4,900)

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