Other Assets Components Of Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Other Assets, Noncurrent [Abstract]
Land and buildings	$ 28,987	$ 10,206
Advances to marketing and reservation system activities	15,284	0
Other assets	6,392	6,701
Total	$ 50,663	$ 16,907