Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Operating lease — right-of-use assets	$ 32,032		$ 32,032		$ 26,074
Total property and equipment, at cost	52,180		52,180		47,532
Less accumulated depreciation	24,363		24,363		20,971
Total property and equipment, net	27,817		27,817		$ 26,561
Depreciation	2,500	$ 2,500	7,700	$ 7,600
ROU Assets depreciation	$ 1,600	$ 1,400	$ 4,700	$ 4,200
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total property and equipment, net		Total property and equipment, net		Total property and equipment, net
Housekeeping and dietary equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 13,145		$ 13,145		$ 13,862
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,402		5,402		6,015
Other
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,601		$ 1,601		$ 1,581