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Real Estate Investments (Tables) | 12 Months Ended
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Dec. 31, 2018
Real Estate [Abstract] |
Operating Leases Future Minimum Payments Receivable [Table Text Block] | As of December 31, 2018, the future minimum lease payments to be received under the terms of all non-cancellable tenant leases is as follows (in thousands):
For the Year Ending December 31, |  |  |
2019 |  | $ | 151,914
2020 |  |  | 150,504
2021 |  |  | 147,506
2022 |  |  | 143,988
2023 |  |  | 139,573
Thereafter |  |  | 902,448
Total |  | $ | 1,635,933
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] | As of December 31, 2018, future annual lease commitments under these agreements are as follows (in thousands):
For the Year Ending December 31, |  |  |
2019 |  | $ | 566
2020 |  |  | 564
2021 |  |  | 521
2022 |  |  | 437
2023 |  |  | 437
Thereafter |  |  | 6,472
Total |  | $ | 8,997

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- Definition Tabular disclosure of future minimum rental payments receivable in aggregate as of the balance sheet date under operating leases. + References No definition available. + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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