Restructuring (Details) $ in Thousands	2 Months Ended	3 Months Ended			5 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($) Store	Dec. 31, 2016 USD ($) Store	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2016 Store	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of store closures | Store	2
Restructuring and related cost, expected cost	$ 13,000		$ 13,000			$ 13,000
Restructuring Reserve [Roll Forward]
Balance at January 1, 2016		$ 886				0
Restructuring Expenses			4,658	$ 0		4,658	$ 0
Payments						(1,229)
Impairment and Assets Written Off						(2,543)
Balance at September 30, 2016	886		886			886
Severance
Restructuring Reserve [Roll Forward]
Balance at January 1, 2016		886				0
Restructuring Expenses			2,115
Payments						(1,229)
Impairment and Assets Written Off						0
Balance at September 30, 2016	886		886			886
Facility Closing
Restructuring Reserve [Roll Forward]
Balance at January 1, 2016		$ 0				0
Restructuring Expenses			2,543
Payments						0
Impairment and Assets Written Off						(2,543)
Balance at September 30, 2016	$ 0		0			$ 0
Operating Segments | Severance | Other
Restructuring Reserve [Roll Forward]
Restructuring Expenses			2,000
Operating Segments | Severance | Franchised Stores
Restructuring Reserve [Roll Forward]
Restructuring Expenses			88
Operating Segments | Facility Closing | Sales and Lease Ownership
Restructuring Reserve [Roll Forward]
Restructuring Expenses			$ 2,600
Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of store closures | Store		54			56