Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019
Contingencies And Commitments [Line Items]
Operating lease liability	$ 997		$ 300
Right-of-use asset	988		$ 300
Sublease income	0	$ 0
Operating lease payments	$ 700
Operating lease, term of contract	18 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	2,400
Indemnification refund received	1,800
Globalstar do Brasil S.A. [Member]
Contingencies And Commitments [Line Items]
Loss contingency accrual	$ 100	$ 200