Number of Unconsolidated Affiliates Included in Partial Sale of Real Estate Assets

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- Definition

Revenue, Performance Obligation, Lease Commission Recognized Upon Lease Execution, Percentage

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- Definition

Tenant Reimbursements Period Related to Certain Capital Expenditure Maximum, in Years

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Tenant Reimbursements Period Related to Certain Capital Expenditure Minimum, in Years

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Amount of the effect of a change in accounting principle on operating profit or loss.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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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.

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Revenues - Narrative (Details) $ in Thousands		9 Months Ended
Revenues - Narrative (Details) $ in Thousands	Jan. 01, 2018 USD ($) affiliate	Sep. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Dividends in excess of cumulative earnings		$ (927,416)	$ (836,269)
Number of unconsolidated affiliates included in partial sale of real estate assets \| affiliate	1
Tenant reimbursements period related to certain capital expenditure minimum		5 years
Tenant reimbursements period related to certain capital expenditure maximum		15 years
Lease commission recognized upon lease execution (as a percent)		50.00%
Accounting Standards Update 2017-05, Unconsolidated Affiliate Impact
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Effect of change on operating results	$ 57,850
Accounting Standards Update 2017-05, Joint Venture Impact
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Effect of change on operating results	901
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Dividends in excess of cumulative earnings	$ 196