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Fair Value Measurements - Fair Value of Financial Instruments Presented at Carrying Values (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Carrying Value
Debt Instrument [Line Items]
Mortgages payable	$ 134,594	$ 176,051
Estimated Fair Value
Debt Instrument [Line Items]
Mortgages payable	135,113	178,937
Unsecured Debt | Unsecured Term Loan | Carrying Value
Debt Instrument [Line Items]
Term loans	400,000	400,000
Unsecured Debt | Unsecured Term Loan | Estimated Fair Value
Debt Instrument [Line Items]
Term loans	400,019	400,020
Revolving Credit Facility | Revolving Credit Facility, Amended and Restated | Carrying Value
Debt Instrument [Line Items]
Term loans	150,000	0
Revolving Credit Facility | Revolving Credit Facility, Amended and Restated | Estimated Fair Value
Debt Instrument [Line Items]
Term loans	$ 150,461	$ 0

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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.

+ Details

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X

- Definition

Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time.

+ References

No definition available.

+ Details

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X

- Definition

Fair value portion of contractual obligation to pay money on demand or on fixed or determinable dates.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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