Other Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Other Assets, Noncurrent [Abstract]
Deferred income taxes	$ 17,029		$ 15,275
Assets related to unrecognized tax benefits	12,984		26,127
Operating leases	0		133,864
Other	50,122		37,795
Total	80,135		$ 213,061
Note receivable reserve	$ 28,700	$ 28,730