XML 52 R42.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Share-Based Compensation - Summary of Other Information of Stock Awards (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |
Total grant-date fair value of stock options and awards granted | $ 5,202 | $ 4,027
Total fair value of stock options and awards vested during period | $ 3,092 | $ 2,719

X
- Definition Share based compensation arrangement by share based payment award, equity instruments options, vested in period, total fair value + References No definition available. + Details
Name: | hcsg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedInPeriodTotalFairValue
Namespace Prefix: | hcsg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award, options grants, grant date fair value + References No definition available. + Details
Name: | hcsg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsGrantDateFairValue
Namespace Prefix: | hcsg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration