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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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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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