Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 28, 2019
Property, Plant and Equipment [Abstract]
Depreciation and leasehold amortization expense	$ 362,000	$ 365,000	$ 347,000
Impairment of Long-Lived Assets to be Disposed of	80,000
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets to be Disposed of	80,000
Property and equipment held and used	1,566,870	1,804,083
Real Estate Held-for-sale	89,301	0
Property, Plant and Equipment, Net	1,656,171	$ 1,804,083
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	89,000
Sales and client service
Property, Plant and Equipment [Abstract]
Impairment of Long-Lived Assets to be Disposed of	78,000
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets to be Disposed of	78,000
General and Administrative Expense
Property, Plant and Equipment [Abstract]
Impairment of Long-Lived Assets to be Disposed of	2,000
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets to be Disposed of	$ 2,000