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Leases ASC 842 (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 USD ($) property
Lessor Disclosure [Abstract] |
Rental and other revenues related to operating lease payments | $ 169,400
Variable lease income | 15,500
Operating leases, scheduled future minimum payments receivable [Abstract] |
Operating leases, scheduled future minimum payments receivable, remainder of 2019 | 466,042
Operating leases, scheduled future minimum payments receivable, 2020 | 586,386
Operating leases, scheduled future minimum payments receivable, 2021 | 530,336
Operating leases, scheduled future minimum payments receivable, 2022 | 494,060
Operating leases, scheduled future minimum payments receivable, 2023 | 433,593
Operating leases, scheduled future minimum payments receivable, 2024 | 372,614
Operating leases, scheduled future minimum payments receivable, thereafter | 1,679,410
Operating leases, total future minimum payments receivable due | $ 4,562,441
Lessee Disclosure [Abstract] |
Number of properties subject to ground leases | property | 20
Weighted average remaining term of ground leases (in years) | 52 years
Operating lease liability upon initial adoption | $ 35,300
Right of use asset upon initial adoption | $ 29,700
Operating lease discount rate (in hundredths) | 4.50%
Operating ground lease expense | $ 600
Operating ground lease payments | 500
Operating ground lease liabilities, scheduled future minimum payments [Abstract] |
Operating ground lease liability, future minimum payments, remainder of 2019 | 1,539
Operating ground lease liability, future minimum payments, 2020 | 2,086
Operating ground lease liability, future minimum payments, 2021 | 2,127
Operating ground lease liability, future minimum payments, 2022 | 2,169
Operating ground lease liability, future minimum payments, 2023 | 2,167
Operating ground lease liability, future minimum payments, 2024 | 2,123
Operating ground lease liability, future minimum payments, thereafter | 83,697
Operating ground lease liability, total future minimum payments | 95,908
Operating lease liability discount | (60,668)
Operating lease liability | $ 35,240
Minimum [Member] |
Lessor Disclosure [Abstract] |
Operating leases, term of leases | 3 years
Maximum [Member] |
Lessor Disclosure [Abstract] |
Operating leases, term of leases | 10 years

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