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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | $ 1,634,891 | $ 1,507,776
Accumulated depreciation | (1,010,889) | (947,405)
Total property and equipment, net | 624,002 | 560,371
Globalstar System |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 1,594,852 | 1,473,461
Space component |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 1,230,975 | 1,246,343
Space component | Construction in progress |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 240,732 | 110,068
Ground component |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 106,757 | 102,567
Ground component | Construction in progress |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 6,814 | 5,316
Other | Construction in progress |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 9,574 | 9,167
Internally developed and purchased software |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 23,310 | 22,509
Equipment |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 11,905 | 8,042
Land and buildings |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 2,677 | 1,681
Leasehold improvements |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | $ 2,147 | $ 2,083

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