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Derivative Financial Instruments - Australia Fulham (Details Textual) - Fullham, Australia
AUD in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Mar. 31, 2017
AUD
Mar. 31, 2017
USD ($)
Interest Rate Swaps [Abstract]        
Fixed interest rate on cash flow interest rate derivative     9.70% 9.70%
Ineffective portion of Cash Flow Hedge interest rate swap $ 0 $ 0    
Interest Rate Swap        
Interest Rate Swaps [Abstract]        
Notional amount coincide with the terms of the non-recourse debt     AUD 50.9 $ 38,900,000