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Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 02, 2015
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Jan. 31, 2016
Quantifying Misstatement in Current Year Financial Statements [Line Items]              
Income tax expense (benefit)   $ (510,000) $ (430,000) $ (1,416,000) $ (980,000)    
Additional rental income       6,917,000 $ 5,523,000    
Derivative liability   13,118,000   $ 13,118,000   $ 15,457,000  
OPP              
Quantifying Misstatement in Current Year Financial Statements [Line Items]              
Requisite service period 5 years     5 years      
Listing Note              
Quantifying Misstatement in Current Year Financial Statements [Line Items]              
Derivative liability             $ 0
Restatement Adjustment [Member]              
Quantifying Misstatement in Current Year Financial Statements [Line Items]              
Additional rental income   $ 500,000   $ 500,000