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Intangible Assets (Details Textual)	9 Months Ended
Intangible Assets (Details Textual)	Sep. 30, 2017
Maximum [Member] \| Favorable Lease Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	26 years
Maximum [Member] \| Other Intangible [Member]
Finite-Lived Intangible Asset, Useful Life	15 years
Minimum [Member] \| Favorable Lease Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	4 years
Minimum [Member] \| Other Intangible [Member]
Finite-Lived Intangible Asset, Useful Life	1 year