Concentration Risk, Number Of Financial Institutions Holding Cash And Cash Equivalents And Marketable Securities

No definition available.

Name:	hcsg_ConcentrationRiskNumberOfFinancialInstitutionsHoldingCashAndCashEquivalentsAndMarketableSecurities
Namespace Prefix:	hcsg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Period Of Amortization Of Inventories And Supplies

+ References

No definition available.

+ Details

Name:	hcsg_PeriodOfAmortizationOfInventoriesAndSupplies
Namespace Prefix:	hcsg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revenue From Contract With Customer, Cancellation Notice Period

+ References

No definition available.

+ Details

Name:	hcsg_RevenueFromContractWithCustomerCancellationNoticePeriod
Namespace Prefix:	hcsg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revenue From Contract With Customer, Initial Period Preceding Cancellation Notice

+ References

No definition available.

+ Details

Name:	hcsg_RevenueFromContractWithCustomerInitialPeriodPrecedingCancellationNotice
Namespace Prefix:	hcsg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revenue From Contract With Customer, Service Renewable Period

+ References

No definition available.

+ Details

Name:	hcsg_RevenueFromContractWithCustomerServiceRenewablePeriod
Namespace Prefix:	hcsg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

[Line Items] for Schedule of Accounting Policies [Table]

+ References

No definition available.

+ Details

Name:	hcsg_ScheduleOfAccountingPoliciesLineItems
Namespace Prefix:	hcsg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of effect, from relationship that timing of satisfaction of performance obligation has on timing of payment, on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time and on obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-9

+ Details

Name:	us-gaap_ContractWithCustomerTimingOfSatisfactionOfPerformanceObligationAndPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

No definition available.

+ Details

Name:	us-gaap_GoodwillAndIntangibleAssetImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 47
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-47

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 54
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-54

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-18

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Description of Business and Significant Accounting Policies - Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) institution	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) institution segment	Jun. 30, 2024 USD ($)	Dec. 31, 2024 institution
Schedule of Accounting Policies [Line Items]
Renewable service term			1 year
Number of reportable segments \| segment			2
Payment terms			The Company’s payment terms with customers on promissory notes can vary based on several factors and the circumstances of each promissory note, however most promissory notes mature over 1 to 5 years. Similar to accounts receivable, each reporting period the Company evaluates the collectability of outstanding notes receivable balances and records an allowance for doubtful accounts representing an estimate of future expected credit losses
Amortization period of inventories and supplies			24 months
Goodwill and intangible asset impairment \| $	$ 0	$ 0	$ 0	$ 0
Number of financial institutions holding cash and cash equivalents and marketable securities \| institution	2		2		2
Minimum
Schedule of Accounting Policies [Line Items]
Cancellation notice period			30 days
Initial period preceding cancellation notice			60 days
Maximum
Schedule of Accounting Policies [Line Items]
Cancellation notice period			90 days
Initial period preceding cancellation notice			120 days