Regulatory Authorizations - Intangibles Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Cost
Weighted average useful life	13 years
Accumulated Amortization
Amortization expense	$ (964)	$ (878)
Finite-Lived Intangible Assets, Total
Balance at the beginning of the period	25,826		$ 29,507
Balance at the end of the period	25,826
Indefinite lived
Balance at the beginning of the period	440,291	400,042
Foreign currency translation	(5,008)	0
Balance at the end of the period	435,283	400,042
Other Intangible Assets, Total
Balance at the beginning of the period	478,598	430,039
Foreign currency translation	(6,470)	(523)
Balance at the end of the period	471,164	428,638
Regulatory authorization
Cost
Balance at the beginning of the period	58,451	46,787
Foreign currency translation	(1,828)	(854)
Balance at the end of the period	56,623	45,933
Accumulated Amortization
Balance at the beginning of the period	(20,144)	(16,790)
Amortization expense	(964)	(878)
Foreign currency translation	366	331
Balance at the end of the period	(20,742)	(17,337)
Finite-Lived Intangible Assets, Total
Balance at the beginning of the period	35,881	28,596	$ 38,307	$ 29,997
Foreign currency translation	(1,462)	(523)
Balance at the end of the period	$ 35,881	$ 28,596