Goodwill and Intangible Assets - Indefinite Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Intangible assets with indefinite useful lives
Intangible assets which have an indefinite useful life	$ 323,100	$ 323,100
Licenses
Intangible assets with indefinite useful lives
Intangible assets which have an indefinite useful life	168,800	168,800
Tradename
Intangible assets with indefinite useful lives
Intangible assets which have an indefinite useful life	$ 154,300	$ 154,300