Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Operating lease - right-of-use assets	$ 21,176
Total property and equipment, at cost	60,862	$ 35,630
Less accumulated depreciation	32,042	22,730
Total property and equipment, net	28,820	12,900
Depreciation	9,700	4,900	$ 5,000
Housekeeping and Dietary equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	25,219	22,596
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	12,769	12,114
Other
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 1,698	$ 920