Regulatory Authorizations - Intangibles Rollforward (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Cost
Weighted average useful life	13 years
Accumulated Amortization
Amortization expense	$ (2,134)	$ (1,756)
Finite-Lived Intangible Assets, Total
Balance at the beginning of the period	22,667		$ 29,507
Balance at the end of the period	22,667
Indefinite lived
Balance at the beginning of the period	440,291	400,042
Disposals		(43)
Foreign currency translation	(794)	0
Balance at the end of the period	439,497	399,999
Other Intangible Assets, Total
Balance at the beginning of the period	478,598	430,039
Foreign currency translation	(2,001)	(193)
Balance at the end of the period	474,463	428,047
Regulatory authorization
Cost
Balance at the beginning of the period	58,451	46,787
Foreign currency translation	(1,156)	(294)
Balance at the end of the period	57,295	46,493
Accumulated Amortization
Balance at the beginning of the period	(20,144)	(16,790)
Amortization expense	(2,134)	(1,756)
Foreign currency translation	(51)	101
Balance at the end of the period	(22,329)	(18,445)
Finite-Lived Intangible Assets, Total
Balance at the beginning of the period	34,966	28,048	$ 38,307	$ 29,997
Foreign currency translation	(1,207)	(193)
Balance at the end of the period	$ 34,966	$ 28,048