Other Non-current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other Non-current Assets
Right-of-use assets	$ 116,209
Tax receivable	11,792	$ 12,705
Equity-accounted investments	4,276	4,010
Deferred debt issue costs	1,403	2,017
Other	11,999	10,663
Other Non-current Assets, Total	$ 145,679	$ 29,395