Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

v3.20.2
Fair Value Measurements - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2020
Jun. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Goodwill and long-lived asset impairment   $ 22,130
Maritime & Land Connectivity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Goodwill and long-lived asset impairment $ 22,100 22,130
Wireless Maritime Services    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other than temporary impairment charge   10,100
Santander    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other than temporary impairment charge   $ 3,000