Rental Revenue (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | |||||||||||||||||||||||||||||||||||||
| Leases [Abstract] | |||||||||||||||||||||||||||||||||||||
| Schedule of Future Lease Payments Receivables [Table Text Block] |
The aggregate annual minimum cash to be received by the Company on its noncancelable operating leases as of December 31, 2017 are as follows:
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| X | ||||||||||
- Definition The tabular disclosure for minimum lease payment receivable under leasing arrangements. No definition available.
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| X | ||||||||||
- References No definition available.
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