Segment and Geographic Information - Long-lived Assets by Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Geographic long-lived assets:
Long-lived assets	$ 1,387,944	$ 606,977
Plus: reconciling corporate long-lived assets
Geographic long-lived assets:
Long-lived assets	511,178	105,414
Operating Segments | U.S.
Geographic long-lived assets:
Long-lived assets	731,963	470,260
Operating Segments | International
Geographic long-lived assets:
Long-lived assets	144,803	31,303
Total reportable segment long-lived assets
Geographic long-lived assets:
Long-lived assets	$ 876,766	$ 501,563