Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Jan. 01, 2019
Contingencies And Commitments [Line Items]
Operating lease liability		$ 513
Operating lease right of use asset		508		$ 988	$ 300
Sublease income		0	$ 0
Operating lease payments		$ 500
Operating lease, remaining lease term		9 months
Operating lease, discount rate		7.50%
Sale of SSL, Nov. 02, 2012 [Member] | Pre Closing Taxes Indemnification [Member]
Contingencies And Commitments [Line Items]
Indemnification refund receivable		$ 600		600
Indemnification refund received	$ 1,800
Globalstar do Brasil S.A. [Member]
Contingencies And Commitments [Line Items]
Loss contingency accrual		$ 100		$ 100
Restatement Adjustment [Member] | Accounting Standards Update 2016-02 [Member]
Contingencies And Commitments [Line Items]
Operating lease liability					300
Operating lease right of use asset					$ 300