Revenue Recognition (Tables)
   | 
3 Months Ended | 
Mar. 31, 2020  | 
| Revenue from Contract with Customer [Abstract] | 
 
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| Schedule of Disaggregation of Revenue | 
The following table represents a disaggregation of the Company’s revenue from contracts with customers for the three months ended March 31, 2020 and 2019 (in thousands):
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   | 
   | 
Three Months Ended March 31,  | 
 
   | 
   | 
2020  | 
   | 
2019  | 
 
Revenue:  | 
   | 
   | 
   | 
   | 
 
Media & Content  | 
   | 
   | 
   | 
   | 
 
Licensing & Services  | 
   | 
$  | 
68,385  | 
 
  | 
   | 
$  | 
80,010  | 
 
  | 
 
Total Media & Content  | 
   | 
68,385  | 
 
  | 
   | 
80,010  | 
 
  | 
 
   | 
   | 
   | 
   | 
   | 
 
Connectivity  | 
   | 
   | 
   | 
   | 
 
Aviation Services  | 
   | 
30,706  | 
 
  | 
   | 
31,241  | 
 
  | 
 
Aviation Equipment  | 
   | 
6,403  | 
 
  | 
   | 
14,060  | 
 
  | 
 
Maritime & Land Services  | 
   | 
36,554  | 
 
  | 
   | 
39,227  | 
 
  | 
 
Maritime & Land Equipment  | 
   | 
2,117  | 
 
  | 
   | 
2,081  | 
 
  | 
 
Total Connectivity  | 
   | 
75,780  | 
 
  | 
   | 
86,609  | 
 
  | 
 
   | 
   | 
   | 
   | 
   | 
 
Total revenue  | 
   | 
$  | 
144,165  | 
 
  | 
   | 
$  | 
166,619  | 
 
  | 
 
  
  
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| Schedule of Contract Assets and Liabilities | 
The following table summarizes the significant changes in the balance for contract assets during the quarter ended March 31, 2020 (in thousands):
 
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   | 
   | 
Contract Assets  | 
 
Balance as of December 31, 2019  | 
   | 
$  | 
14,431  | 
 
  | 
 
Costs deferred for revenue recognized in excess of billings  | 
   | 
1,355  | 
 
  | 
 
Costs included in the beginning balance recognized  | 
   | 
(3,187  | 
)  | 
 
Balance as of March 31, 2020  | 
   | 
$  | 
12,599  | 
 
  | 
 
   | 
   | 
   | 
 
Current contract assets  | 
   | 
$  | 
2,159  | 
 
  | 
 
Non-current contract assets  | 
   | 
10,440  | 
 
  | 
 
Balance as of March 31, 2020  | 
   | 
$  | 
12,599  | 
 
  | 
 
  
 
The following table summarizes the significant changes in the balance for contract liabilities, included within “Other non-current liabilities” in our unaudited condensed consolidated balance sheet, during the three months ended March 31, 2020 (in thousands): 
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   | 
   | 
Contract Liabilities  | 
 
Balance as of December 31, 2019  | 
   | 
$  | 
12,403  | 
 
  | 
 
Revenue recognized that was included in the contract liability balance at the beginning of the period  | 
   | 
(6,723  | 
)  | 
 
Increase due to cash received, excluding amounts recognized as revenue during the period  | 
   | 
3,941  | 
 
  | 
 
Balance as of March 31, 2020  | 
   | 
$  | 
9,621  | 
 
  | 
 
   | 
   | 
   | 
 
Deferred revenue, current  | 
   | 
$  | 
9,535  | 
 
  | 
 
Deferred revenue, non-current  | 
   | 
86  | 
 
  | 
 
Balance as of March 31, 2020  | 
   | 
$  | 
9,621  | 
 
  | 
 
  
  
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| Schedule of Accounts Receivable and Bad Debts | 
Accounts receivable consist of the following (in thousands): 
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   | 
March 31,  | 
   | 
December 31,  | 
 
   | 
2020  | 
   | 
2019  | 
 
Accounts receivable, gross  | 
$  | 
91,289  | 
 
  | 
   | 
$  | 
94,995  | 
 
  | 
 
Less: Allowance for doubtful accounts  | 
(8,493  | 
)  | 
   | 
(6,776  | 
)  | 
 
Accounts receivable, net  | 
$  | 
82,796  | 
 
  | 
   | 
$  | 
88,219  | 
 
  | 
 
  
  
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| Schedule of Capitalized Contract Cost Activity | 
The following table summarizes the significant changes in the contract assets balances during the period ended March 31, 2020 (in thousands): 
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   | 
Contract Assets  | 
 
   | 
Costs to Obtain  | 
   | 
Costs to Fulfill  | 
   | 
Total  | 
 
Balance as of December 31, 2019  | 
$  | 
387  | 
 
  | 
   | 
$  | 
5,256  | 
 
  | 
   | 
$  | 
5,643  | 
 
  | 
 
Capitalization during the period  | 
50  | 
 
  | 
   | 
226  | 
 
  | 
   | 
276  | 
 
  | 
 
Amortization during the period  | 
(29  | 
)  | 
   | 
(104  | 
)  | 
   | 
(133  | 
)  | 
 
Balance as of March 31, 2020  | 
$  | 
408  | 
 
  | 
   | 
$  | 
5,378  | 
 
  | 
   | 
$  | 
5,786  | 
 
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