Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment		$ 513,779
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset	$ 548,918
Less: Accumulated Depreciation and Amortization	(311,252)
Less: Accumulated Depreciation and Amortization		284,287
Property, Plant and Equipment, Net	237,666
Property, Plant and Equipment, Net	237,666	229,492
Related Party
Property, Plant and Equipment [Line Items]
Assets Under Finance Leases	0
Non-Related Party
Property, Plant and Equipment [Line Items]
Assets Under Finance Leases	3,189
Land
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	16,427	19,950
Buildings and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	54,923	67,081
Leasehold Improvements and Signs
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	87,126	83,867
Fixtures and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	244,623	210,747
Software - Internal-Use
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	135,076	106,671
Assets Under Capital Leases | Related Party
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment		872
Assets Under Capital Leases | Non-Related Party
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment		9,487
Construction in Progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 7,554	$ 15,104