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Regulatory Authorizations - Narrative (Details)
$ in Millions
1 Months Ended
Nov. 30, 2019
USD ($)
Finite-Lived Intangible Assets [Line Items]  
Finite-lived intangible assets, additions $ 7.9
Useful life 11 years
Finite-lived intangible assets acquired $ 4.5
Licensing Agreements  
Finite-Lived Intangible Assets [Line Items]  
Useful life 15 years