The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Topic 230
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-Name Accounting Standards Codification
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-1

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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Real estate property and depreciation policy (Details)	12 Months Ended
Real estate property and depreciation policy (Details)	Dec. 31, 2023 USD ($) Integer	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Real Estate Properties
Number of Reportable Segments \| Integer	1
Depreciation \| $	$ 141,003,000	$ 125,199,000	$ 104,910,000
Buildings [Member]
Real Estate Properties
Property, Plant and Equipment, Useful Life	40 years
Building Improvements \| Minimum [Member]
Real Estate Properties
Property, Plant and Equipment, Useful Life	3 years
Building Improvements \| Maximum [Member]
Real Estate Properties
Property, Plant and Equipment, Useful Life	15 years