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Other Employee Benefit Plans (Details) (Maximum [Member]) | 12 Months Ended
--- | ---
Dec. 31, 2013
Maximum [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Percentage of employees contribution | 15.00%

X
- Definition Defined Benefit Plan Maximum Percentage Of Employees Contribution. + References No definition available. + Details
Name: | hcsg_DefinedBenefitPlanMaximumPercentageOfEmployeesContribution
Namespace Prefix: | hcsg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration