Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 35,178		$ 35,178		$ 34,019
Less accumulated depreciation	21,779		21,779		20,564
Total property and equipment, net	13,399		13,399		13,455
Depreciation	1,300	$ 1,300	2,600	$ 2,400
Housekeeping and Dietary equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	21,783		21,783		21,136
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	12,241		12,241		11,750
Other
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 1,154		$ 1,154		$ 1,133