Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.10.0.1
Related Party Transactions (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 15, 2011
Dec. 31, 2017
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Jul. 27, 2016
Jul. 16, 2011
Related Party Transaction [Line Items]                
Common stock issued   93,834,805 94,337,195   94,337,195      
Wireless Maritime Services                
Related Party Transaction [Line Items]                
Equity method investment, ownership percentage             49.00%  
Related party revenue     $ 0.2 $ 0.3 $ 0.5 $ 0.7    
Related party account receivable   $ 0.1 0.1   0.1      
Related party, loan agreement, maximum borrowing capacity     6.4   6.4      
Interest rate   2.64%            
Dividends declared         7.0      
Dividends receivable     (3.4)   (3.4)      
Related party loan receivable     3.0   3.0      
Santander                
Related Party Transaction [Line Items]                
Equity method investment, ownership percentage             49.00%  
Purchase from related parties     2.4 $ 0.8 3.8 $ 1.4    
Accounts payable to related parties   $ 0.9 1.3   1.3      
Former officer | Row 44, Inc.                
Related Party Transaction [Line Items]                
Interest rate 6.00%              
Common stock, subscriptions receivable $ 0.4 $ 0.6 $ 0.6   $ 0.6      
Common stock issued               223,893