Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 34,541		$ 34,019
Less accumulated depreciation	21,144		20,564
Property and equipment, net	13,397		13,455
Depreciation	1,300	$ 1,200
Housekeeping and Dietary equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	21,431		21,136
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	11,977		11,750
Other
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 1,133		$ 1,133