Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Goodwill [Line Items]
Goodwill	$ 44,438		$ 44,438		$ 44,438
Amortization expense	675	$ 810	$ 1,485	$ 1,620
Customer Relationships
Goodwill [Line Items]
Weighted-average amortization period of finite-lived intangible assets			9 years
Housekeeping Segment
Goodwill [Line Items]
Goodwill	42,377		$ 42,377		42,377
Dietary Segment
Goodwill [Line Items]
Goodwill	$ 2,061		$ 2,061		$ 2,061