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Related Party Transactions (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) ft² property	Mar. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Area of real estate property (in square feet) | ft²	10,100,000
Affliliated entity | Supervisory fee revenue
Related Party Transaction [Line Items]
Revenue from related parties	$ 200	$ 200
Affliliated entity | Property management fee revenue
Related Party Transaction [Line Items]
Revenue from related parties	100	40
Affliliated entity | Leased space rental
Related Party Transaction [Line Items]
Revenue from related parties	$ 100	$ 100
Number of properties | property	1
Lease cancellation, notice period (in days)	90 days
Undivided Interest
Related Party Transaction [Line Items]
Area of real estate property (in square feet) | ft²	5,447
Chairman emeritus | Leased space rental
Related Party Transaction [Line Items]
Percentage of lease space occupied by Chairman emeritus and employee	15.00%

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Lease Cancellation, Period of Notice

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Area of a real estate property.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(iv))
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-Topic 470
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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