Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)

v3.20.2
Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Mar. 31, 2020
USD ($)
member
Mar. 31, 2020
USD ($)
member
Mar. 31, 2019
USD ($)
Jun. 25, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jul. 27, 2016
Debt Instrument [Line Items]            
Cash and cash equivalents $ 54,200 $ 54,200        
Restricted cash 703 703     $ 498  
Debt outstanding 821,380 821,380     773,062  
Cash and cash equivalents 54,193 54,193     23,964  
Net cash used in operations   3,690 $ 10,231      
Cash paid for interest   14,600        
Decrease (increase) in working capital   776,700        
Working capital (840,000) (840,000)     $ (63,400)  
Goodwill impairment   22,130 $ 0      
Investment in held-to-maturity debt securities $ 29,900 29,900        
Revolving Credit Facility            
Debt Instrument [Line Items]            
Draw down of revolving credit facility   $ 41,800        
Wireless Maritime Services            
Debt Instrument [Line Items]            
Equity method investment, ownership percentage           49.00%
Ownership by third party (as a percent) 51.00% 51.00%        
Board of directors, voting members | member 5 5        
Board of directors, voting members, number appointed by third party | member 3 3        
Board of directors, voting members, number appointed by company | member 2 2        
Other than temporary impairment charge   $ 10,100        
Santander            
Debt Instrument [Line Items]            
Equity method investment, ownership percentage           49.00%
Ownership by third party (as a percent) 51.00% 51.00%        
Board of directors, voting members | member 5 5        
Board of directors, voting members, number appointed by third party | member 3 3        
Board of directors, voting members, number appointed by company | member 2 2        
Other than temporary impairment charge   $ 3,000        
Subsequent Event            
Debt Instrument [Line Items]            
Cash and cash equivalents       $ 30,700    
Corporate Debt Securities            
Debt Instrument [Line Items]            
Payments for held to maturity debt securities $ 30,000          
Minimum            
Debt Instrument [Line Items]            
Debt securities, held-to-maturity, maturity range   29 days        
Maximum            
Debt Instrument [Line Items]            
Debt securities, held-to-maturity, maturity range   71 days        
Maritime & Land Connectivity            
Debt Instrument [Line Items]            
Goodwill impairment   $ 22,130        
Convertible senior notes            
Debt Instrument [Line Items]            
Debt outstanding $ 82,500 $ 82,500        
Stated interest rate 2.75% 2.75%