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Intangible Assets (Details Textual)
3 Months Ended
Mar. 31, 2016
Favorable Lease Agreements [Member] | Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 4 years
Favorable Lease Agreements [Member] | Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 26 years
Other Intangible [Member] | Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 1 year
Other Intangible [Member] | Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 11 years