Business and Property Management Agreements with RMR LLC (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) employee agreement	Mar. 31, 2019 USD ($)
Real Estate Properties [Line Items]
Number of employees \| employee	0
Amended and restate business management agreement \| RMR LLC
Real Estate Properties [Line Items]
Number of management service agreements \| agreement	2
Business management fees incurred	$ 10,560	$ 9,727
Incentive fee calculation period	3 years
Related party property management and construction management fee	$ 1,020	11
Related party reimbursement expenses	$ 127	$ 200

Number of persons employed by the Entity

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- Definition

Represents the service agreements entered into by the entity for availing services from other entities.

+ References

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- Definition

Related Party Property Management And Construction Management Fee And Construction Supervision

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- Definition

Total expense amount to reimburse a related party.

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- Definition

Represents the business management fees incurred pursuant to business management agreement with related parties.

+ References

No definition available.

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Related Party Transaction, Estimated Incentive Fee Calculation Period

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- Definition

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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