Leasing Activity (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Operating Leased Assets [Line Items] | ||||
| Rental income, variable lease payments | $ 24.0 | $ 22.9 | $ 73.0 | $ 69.1 |
| Percentage of leased asset subjected to termination options | 3.30% | 3.30% | ||
| Percentage of leased asset exercisable in period | 1.40% | 1.40% | ||
| Termination option, exercisable through date | Dec. 31, 2019 | |||
| Maximum [Member] | ||||
| Operating Leased Assets [Line Items] | ||||
| Non-cancelable lease term | 10 years | 10 years | ||
| Minimum [Member] | ||||
| Operating Leased Assets [Line Items] | ||||
| Non-cancelable lease term | 1 year | 1 year | ||
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- Definition Lessor, Operating Lease, Termination Option, Exercisable though Date No definition available.
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- Definition Percentage Of Leased Asset Exercisable In Current Fiscal Period No definition available.
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- Definition Percentage Of The Leased Asset Subjected To Termination Options. No definition available.
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- Definition Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of operating lease income from variable lease payments paid and payable to lessor, excluding amount included in measurement of lease receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. No definition available.
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