Goodwill Schedule of Changes in Goodwill (Details) - USD ($)		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Goodwill, Beginning Balance		$ 79,327,000	$ 65,813,000
Acquisition	[1]	0	13,682,000
Foreign Exchange		(422,000)	(168,000)
Impairment		0	0	$ 0
Goodwill, Ending Balance		78,905,000	79,327,000	65,813,000
Franchising
Goodwill [Roll Forward]
Goodwill, Beginning Balance		65,813,000	65,813,000
Acquisition	[1]	0	0
Foreign Exchange		0	0
Impairment		0	0
Goodwill, Ending Balance		65,813,000	65,813,000	65,813,000
Other
Goodwill [Roll Forward]
Goodwill, Beginning Balance		13,514,000	0
Acquisition	[1]	0	13,682,000
Foreign Exchange		(422,000)	(168,000)
Impairment		0	0
Goodwill, Ending Balance		$ 13,092,000	$ 13,514,000	$ 0

[1] See Footnote 27 "Acquisition"