Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 31,107	$ 36,356
Less accumulated depreciation	18,021	23,584
Total property and equipment, net	13,086	12,772
Depreciation	4,419	3,946	$ 3,373
Laundry and linen equipment installations
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	1,117	2,578
Housekeeping and office equipment and furniture
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	29,852	33,546
Autos and trucks
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 138	$ 232