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Future Minimum Rents | 12 Months Ended
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Dec. 31, 2018
Future Minimum Rents [Abstract] |
Future Minimum Rents [Text Block] | 12. Future Minimum Rents The properties are leased to tenants under net operating leases with initial term expiration dates ranging from 2019 to 2049. The future contractual minimum lease payments to be received (excluding operating expense reimbursements) by the Company as of December 31, 2018, under non-cancelable operating leases which expire on various dates through 2049, are as follows:
Years Ending December 31, | (in thousands)
2019 | $ | 2,088,171 |
2020 | 2,106,963 |
2021 | 2,015,031 |
2022 | 1,838,699 |
2023 | 1,736,636 |
Thereafter | 12,295,464 |
No single tenant represented more than 10.0% of the Company’s total rental revenue for the years ended December 31, 2018, 2017 and 2016.

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- Definition The entire disclosure for lessor's operating leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=77888252 + Details
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