Tenant Leases (Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases) (Details) - USD ($) $ in Thousands |
9 Months Ended | |
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Sep. 30, 2019 |
Dec. 31, 2018 |
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| Property Subject to or Available for Operating Lease [Line Items] | ||
| 2019 | $ 314,708 | |
| October 1 through December 31, 2019 | $ 53,348 | |
| 2020 | 267,866 | 306,559 |
| 2021 | 248,531 | 284,120 |
| 2022 | 230,474 | 258,076 |
| 2023 | 201,454 | 220,533 |
| 2024 and thereafter | 886,231 | 923,061 |
| Total | $ 1,887,904 | $ 2,307,057 |
| Tenant Leases [Member] | ||
| Property Subject to or Available for Operating Lease [Line Items] | ||
| Operating leases with various expiration dates through year | 2036 | |
| Multi-Family Properties [Member] | ||
| Property Subject to or Available for Operating Lease [Line Items] | ||
| Lease period | 1 year |
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- Definition Lease Expiration Year No definition available.
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- Definition Lease Period No definition available.
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- Definition Future minimum rental payments in aggregate as of the balance sheet date under operating leases. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Future rental payments receivable within one year of the balance sheet date under an operating lease. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Future rental payments receivable within the fifth year from the balance sheet date under an operating lease. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Future rental payments receivable within the fourth year from the balance sheet date under an operating lease. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Future rental payments receivable within the third year from the balance sheet date under an operating lease. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Future rental payments receivable within the second year from the balance sheet date under an operating lease. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of required minimum rental payments receivable in the remainder of the fiscal year following the latest fiscal year ended for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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- Definition Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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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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