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Future Minimum Rents (Tables) | 12 Months Ended
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Dec. 31, 2017
Future Minimum Rents [Abstract] |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] | The future contractual minimum lease payments to be received (excluding operating expense reimbursements) by the Company as of December 31, 2017, under non-cancelable operating leases which expire on various dates through 2046, are as follows:
Years Ending December 31, | (in thousands)
2018 | $ | 1,962,841 |
2019 | 1,998,102 |
2020 | 1,920,002 |
2021 | 1,783,066 |
2022 | 1,596,719 |
Thereafter | 11,160,780 |

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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