Leases Minimum Rent Disclosures (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jan. 01, 2017
Leases [Abstract]
Capital lease payments due in twelve months	$ 2,166
Capital lease payments due in two years	2,159
Capital lease payments due in three years	1,433
Capital lease payments due in four years	329
Capital lease payments due in five years	177
Capital lease payments due thereafter	183
Capital leases, future minimum payments due	6,447
Less amount representing interest	(766)
Total obligations under capital leases	5,681	$ 7,039
Less current portion	(1,808)
Long-term obligations under capital leases	3,873
Operating lease payments due in next twelve months	68,336
Operating lease payments due in two years	67,207
Operating lease payments due in three years	65,709
Operating lease payments due in four years	64,958
Operating lease payments due in five years	64,559
Operating lease payments due thereafter	600,901
Operating leases, future minimum payments due	$ 931,670