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Income Taxes - Additional Information (Details) - USD ($)
8 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2016
Aug. 31, 2016
Income Taxes [Line Items]      
Federal income tax provision $ 0    
Net operating loss   $ 102,900,000  
Deferred tax assets gross 90,000 48,738,000  
Deferred tax liabilities $ 5,714,000 28,394,000  
Unrecognized tax benefits or tax-related penalties or interest   $ 0  
Income tax examination, year open to examination   2015  
Earliest Tax Year      
Income Taxes [Line Items]      
Operating loss carry forwards expiration year   2026  
Latest Tax Year      
Income Taxes [Line Items]      
Operating loss carry forwards expiration year   2036  
Tower Cloud      
Income Taxes [Line Items]      
Business acquisition date   Aug. 31, 2016  
Percentage of equity acquired     100.00%
Net operating loss     $ 81,200,000
Deferred tax assets gross     37,000,000
Deferred tax liabilities     $ 24,800,000
Minimum | Tower Cloud      
Income Taxes [Line Items]      
Operating loss carry forwards expiration year   2026  
Maximum | Tower Cloud      
Income Taxes [Line Items]      
Operating loss carry forwards expiration year   2036