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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,605,402	$ 1,507,776
Accumulated depreciation	(992,491)	(947,405)
Total property and equipment, net	612,911	560,371
Space component
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,230,433	1,246,343
Ground component
Property, Plant and Equipment [Line Items]
Property and equipment, gross	98,966	102,567
Globalstar System
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,566,764	1,473,461
Internally developed and purchased software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	23,324	22,509
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,630	8,042
Land and buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,601	1,681
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,083	2,083
Construction in Progress | Space component
Property, Plant and Equipment [Line Items]
Property and equipment, gross	213,414	110,068
Construction in Progress | Ground component
Property, Plant and Equipment [Line Items]
Property and equipment, gross	12,718	5,316
Construction in Progress | Other
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 11,233	$ 9,167

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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