$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg

$hcsg Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000073101224000142 Filed on October 25, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$428.1M
YoY Change		4.07%
Cost Of Revenue		$364.7M
YoY Change		-3.4%
Gross Profit		$63.42M
YoY Change		87.44%
Gross Profit Margin		14.81%
Selling, General & Admin		$46.89M
YoY Change		20.08%
% of Gross Profit		73.93%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$3.100M
YoY Change		24.0%
% of Gross Profit		4.89%
Operating Expenses		$46.89M
YoY Change		20.08%
Operating Profit		$16.53M
YoY Change		-417.11%
Interest Expense		-$1.548M
YoY Change		-27.39%
% of Operating Profit		-9.36%
Other Income/Expense, Net		$2.277M
YoY Change
Pretax Income		$18.81M
YoY Change		-370.58%
Income Tax		$4.778M
% Of Pretax Income		25.4%
Net Earnings		$14.03M
YoY Change		-355.37%
Net Earnings / Revenue		3.28%
Basic Earnings Per Share		$0.19
Diluted Earnings Per Share		$0.19
COMMON SHARES
Basic Shares Outstanding	73.29M shares	73.38M shares
Diluted Shares Outstanding		73.93M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$103.8M
YoY Change		-14.4%
Cash & Equivalents		$27.06M
Short-Term Investments		$76.78M
Other Short-Term Assets		$67.79M
YoY Change		183.65%
Inventory		$17.05M
Prepaid Expenses		$24.58M
Receivables		$406.5M
Other Receivables		$0.00
Total Short-Term Assets		$578.1M
YoY Change		8.39%
LONG-TERM ASSETS
Property, Plant & Equipment		$28.44M
YoY Change		-2.29%
Goodwill		$75.53M
YoY Change		0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets		$5.605M
YoY Change		208.99%
Total Long-Term Assets		$227.7M
YoY Change		4.77%
TOTAL ASSETS
Total Short-Term Assets		$578.1M
Total Long-Term Assets		$227.7M
Total Assets		$805.8M
YoY Change		7.34%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$76.64M
YoY Change		8.57%
Accrued Expenses		$21.51M
YoY Change		-69.09%
Deferred Revenue
YoY Change
Short-Term Debt		$25.00M
YoY Change		-44.44%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$197.2M
YoY Change		5.02%
LONG-TERM LIABILITIES
Long-Term Debt		$0.00
YoY Change
Other Long-Term Liabilities		$425.0K
YoY Change		-86.39%
Total Long-Term Liabilities		$425.0K
YoY Change		-86.39%
TOTAL LIABILITIES
Total Short-Term Liabilities		$197.2M
Total Long-Term Liabilities		$425.0K
Total Liabilities		$197.6M
YoY Change		3.53%
SHAREHOLDERS EQUITY
Retained Earnings		$212.6M
YoY Change		24.86%
Common Stock		$317.1M
YoY Change		2.65%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$488.7M
YoY Change
Total Liabilities & Shareholders Equity		$805.8M
YoY Change		7.34%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$14.03M
YoY Change		-355.37%
Depreciation, Depletion And Amortization		$3.100M
YoY Change		24.0%
Cash From Operating Activities		$4.312M
YoY Change		43.73%
INVESTING ACTIVITIES
Capital Expenditures		$1.399M
YoY Change		-26.37%
Acquisitions
YoY Change
Other Investing Activities		$1.687M
YoY Change		181.17%
Cash From Investing Activities		$288.0K
YoY Change		-122.15%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		-6.008M
YoY Change		-700.8%
NET CHANGE
Cash From Operating Activities		4.312M
Cash From Investing Activities		288.0K
Cash From Financing Activities		-6.008M
Net Change In Cash		-1.408M
YoY Change		-152.15%
FREE CASH FLOW
Cash From Operating Activities		$4.312M
Capital Expenditures		$1.399M
Free Cash Flow		$2.913M
YoY Change		164.82%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-12015
	dei	Entity Registrant Name EntityRegistrantName	HEALTHCARE SERVICES GROUP, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-2018365
	dei	Entity Address Address Line1 EntityAddressAddressLine1	3220 Tillman Drive
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 300
	dei	Entity Address City Or Town EntityAddressCityOrTown	Bensalem
	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
	dei	Trading Symbol TradingSymbol	HCSG
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	73291057	shares
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	428149000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	411388000	usd
CY2024Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	364730000	usd
CY2023Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	376936000	usd
CY2024Q3	hcsg	Investment Income And Other InvestmentIncomeAndOther	3825000	usd
CY2023Q3	hcsg	Investment Income And Other InvestmentIncomeAndOther	394000	usd
CY2024Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-1548000	usd
CY2023Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-2132000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	18808000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-6333000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4778000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1286000	usd
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73687000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74364000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73926000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74364000	shares
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	14030000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-5047000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2093000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1647000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	16123000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-6694000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	441339000	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0000731012
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2024Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	46888000	usd
CY2023Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	39047000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	28139000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	31313000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	95466000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	387000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2722000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	93131000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
	dei	Document Type DocumentType	10-Q
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20756000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10585000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5878000	usd
	us-gaap	Net Income Loss NetIncomeLoss	27551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14878000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	1003000	usd
	hcsg	Unrealized Gain Loss On Securities Related To Deferred Compensation Fund UnrealizedGainLossOnSecuritiesRelatedToDeferredCompensationFund	7809000	usd
	hcsg	Unrealized Gain Loss On Securities Related To Deferred Compensation Fund UnrealizedGainLossOnSecuritiesRelatedToDeferredCompensationFund	2562000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-524000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-980000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-489000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	57909000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	59530000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1976000	usd
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	27055000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54330000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1084000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	0	usd
CY2024Q3	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	76776000	usd
CY2023Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	93131000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	474581000	usd
CY2024Q3	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	25085000	usd
CY2023Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	0	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	95985000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	87250000	usd
CY2024Q3	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	406495000	usd
CY2023Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	383509000	usd
CY2024Q3	us-gaap	Other Inventory OtherInventory	17046000	usd
CY2023Q4	us-gaap	Other Inventory OtherInventory	18479000	usd
CY2024Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	24577000	usd
CY2024Q3	us-gaap	Assets Current AssetsCurrent	578118000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	571696000	usd
CY2024Q3	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	28435000	usd
CY2023Q4	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	28774000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	75529000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	75529000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	38571000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	36557000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10113000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	12127000	usd
CY2024Q3	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	2013000	usd
CY2023Q4	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	4449000	usd
CY2023Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	24832000	usd
CY2024Q3	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	48647000	usd
CY2023Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	40812000	usd
CY2024Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	36486000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	35226000	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5605000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1656000	usd
CY2024Q3	us-gaap	Assets Assets	805841000	usd
CY2023Q4	us-gaap	Assets Assets	790652000	usd
CY2024Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	76636000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	83224000	usd
CY2024Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	42333000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	56142000	usd
CY2024Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	25564000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	21179000	usd
CY2024Q3	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	25000000	usd
CY2023Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	25000000	usd
CY2024Q3	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	4500000	usd
CY2023Q4	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	7201000	usd
CY2024Q3	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	1661000	usd
CY2023Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	1501000	usd
CY2024Q3	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	21510000	usd
CY2023Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	22681000	usd
CY2024Q3	us-gaap	Liabilities Current LiabilitiesCurrent	197204000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	216928000	usd
CY2024Q3	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	61520000	usd
CY2023Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	61697000	usd
CY2024Q3	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	48915000	usd
CY2023Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	41186000	usd
CY2024Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9029000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11235000	usd
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	425000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2990000	usd
CY2024Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	76329000	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	73291000	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	73341000	shares
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	765000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	763000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	310436000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	212631000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	185010000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-524000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1844000	usd
CY2024Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3242000	shares
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	2988000	shares
CY2024Q3	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	40458000	usd
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	37749000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	488748000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	456616000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	805841000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	790652000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1277870000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1247549000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1108383000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1107519000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	138236000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	120523000	usd
	hcsg	Investment Income And Other InvestmentIncomeAndOther	12145000	usd
	hcsg	Investment Income And Other InvestmentIncomeAndOther	7047000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-5260000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-5798000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	38136000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-5047000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73822000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74446000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74007000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74496000	shares
	us-gaap	Net Income Loss NetIncomeLoss	27551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14878000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1320000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1300000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28871000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13578000	usd
	us-gaap	Net Income Loss NetIncomeLoss	27551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14878000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10983000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10565000	usd
	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	32340000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1612000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4205000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	6828000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	6793000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-507000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	54330000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26279000	usd
	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19020
	dei	City Area Code CityAreaCode	215
	dei	Local Phone Number LocalPhoneNumber	639-4274
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://hcsgcorp.com/20240930#PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://hcsgcorp.com/20240930#PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	22247000	usd
CY2024Q3	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	22908000	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	76533000	shares
CY2024Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	316334000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	14030000	usd
	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	36848000	usd
	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	1609000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-197000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1434000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3503000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-8620000	usd
	hcsg	Increase Decrease In Deferred Compensation Funding IncreaseDecreaseInDeferredCompensationFunding	27000	usd
	hcsg	Increase Decrease In Deferred Compensation Funding IncreaseDecreaseInDeferredCompensationFunding	353000	usd
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-10904000	usd
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-4276000	usd
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-12820000	usd
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-16118000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	2700000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	4543000	usd
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-1348000	usd
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	6207000	usd
	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	8403000	usd
	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	3143000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-5402000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-5947000	usd
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	193000	usd
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	121000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4909000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3973000	usd
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	2750000	usd
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	51490000	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	43205000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1942000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-15751000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1910000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4008000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6239000	usd
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	usd
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	20000000	usd
	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	1030000	usd
	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	870000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5038000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	12891000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-26191000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	5034000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	456616000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	15309000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-328000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1030000	usd
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2444000	usd
CY2024Q1	hcsg	Stock Issued During Period Value Treasury Stock Reissued Deferred Compensation Net StockIssuedDuringPeriodValueTreasuryStockReissuedDeferredCompensationNet	519000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	989000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	62000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	-1788000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-445000	usd
CY2024Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2075000	usd
CY2024Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3000000	usd
CY2024Q2	hcsg	Stock Issued During Period Value Treasury Stock Reissued Deferred Compensation Net StockIssuedDuringPeriodValueTreasuryStockReissuedDeferredCompensationNet	-2000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	471423000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	14030000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2093000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2205000	usd
CY2024Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1009000	usd
CY2024Q3	hcsg	Stock Issued During Period Value Treasury Stock Reissued Deferred Compensation Net StockIssuedDuringPeriodValueTreasuryStockReissuedDeferredCompensationNet	0	usd
CY2024Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	6000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	488748000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	418279000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	11671000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1207000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-870000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1973000	usd
CY2023Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2223000	usd
CY2023Q1	hcsg	Stock Issued During Period Value Treasury Stock Reissued Deferred Compensation Net StockIssuedDuringPeriodValueTreasuryStockReissuedDeferredCompensationNet	475000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1135000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	19000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	431666000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	8254000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-860000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2278000	usd
CY2023Q2	hcsg	Stock Issued During Period Value Treasury Stock Reissued Deferred Compensation Net StockIssuedDuringPeriodValueTreasuryStockReissuedDeferredCompensationNet	-5000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	6000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-5047000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1647000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2299000	usd
CY2023Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4015000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	0	usd
CY2023Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	432930000	usd
	hcsg	Revenue From Contract With Customer Renewal Term RevenueFromContractWithCustomerRenewalTerm	P1Y
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In preparing financial statements in conformity with U.S. GAAP, estimates and assumptions are made that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities and the reported amounts of revenues and expenses. Actual results could differ from those estimates. Significant estimates are used in determining, but are not limited to, the Company’s allowance for doubtful accounts, accrued insurance claims, deferred taxes and reviews for potential impairment. The estimates are based upon various factors including current and historical trends, as well as other pertinent industry and regulatory authority information. Management regularly evaluates this information to determine if it is necessary to update the basis for its estimates and to adjust for known changes.</span></div>
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	27055000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54330000	usd
CY2024Q3	us-gaap	Restricted Cash Equivalents RestrictedCashEquivalents	1084000	usd
CY2023Q4	us-gaap	Restricted Cash Equivalents RestrictedCashEquivalents	0	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	28139000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	54330000	usd
	us-gaap	Contract With Customer Timing Of Satisfaction Of Performance Obligation And Payment ContractWithCustomerTimingOfSatisfactionOfPerformanceObligationAndPayment	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 4 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
	hcsg	Period Of Amortization Of Inventories And Supplies PeriodOfAmortizationOfInventoriesAndSupplies	P24M
CY2023Q3	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2024Q3	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2024Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2024Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s financial instruments that are subject to credit risk are cash and cash equivalents, restricted cash equivalents, marketable securities, restricted marketable securities, deferred compensation funding and accounts and notes receivable. At September 30, 2024, the majority of the Company’s cash and cash equivalents, restricted cash equivalents, marketable securities and restricted marketable securities were held in two large financial institutions located in the United States. At December 31, 2023, the majority were held in one large financial institution located in the United States. The Company’s marketable securities and restricted marketable securities are fixed income investments which are highly liquid and can be readily purchased or sold through established markets. The Company’s deferred compensation funding consists of fund and money market investments all of which are highly liquid and held in a trust account.</span></div><div style="text-align:justify"><span><br/></span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s customers are concentrated in the healthcare industry and are primarily providers of long-term care. The revenues of many of the Company’s customers are highly reliant on Medicare, Medicaid and third party payors’ reimbursement funding rates. New legislation or changes in existing regulations could directly impact the governmental reimbursement programs in which the Company’s customers participate. As a result, the Company may not realize the full effects such programs may have on the Company’s customers until such new legislation or changes in existing regulations are fully implemented and governmental agencies issue applicable regulations or guidance.</span></div>
CY2024Q3	hcsg	Concentration Risk Numberof Financial Institutions Holding Cashand Cash Equivalentsand Marketable Securities ConcentrationRiskNumberofFinancialInstitutionsHoldingCashandCashEquivalentsandMarketableSecurities	2	institution
CY2023Q4	hcsg	Concentration Risk Numberof Financial Institutions Holding Cashand Cash Equivalentsand Marketable Securities ConcentrationRiskNumberofFinancialInstitutionsHoldingCashandCashEquivalentsandMarketableSecurities	1	institution
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Prior period line items in the Consolidated Statements of Stockholders’ Equity have been revised to conform with current period presentation.</span></div>
CY2023Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	376936000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1107519000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-6333000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20756000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1286000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5878000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-5047000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14878000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
	hcsg	Revenue From Contract With Customer Renewal Term RevenueFromContractWithCustomerRenewalTerm	P1Y
	us-gaap	Contract With Customer Asset Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	12600000	usd
CY2023Q3	us-gaap	Contract With Customer Asset Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	12600000	usd
	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	The Company’s contracts with customers typically provide for an initial term of one year, with renewable one year service terms, cancellable by either party upon 30 to 90 days’ notice after an initial period of 60 to 120 days.
	hcsg	Revenue From Contract With Customer Initial Term RevenueFromContractWithCustomerInitialTerm	P1Y
	hcsg	Revenue From Contract With Customer Renewal Term RevenueFromContractWithCustomerRenewalTerm	P1Y
CY2024Q3	hcsg	Accounts Notes Loansand Financing Receivable Gross Current AccountsNotesLoansandFinancingReceivableGrossCurrent	502480000	usd
CY2023Q4	hcsg	Accounts Notes Loansand Financing Receivable Gross Current AccountsNotesLoansandFinancingReceivableGrossCurrent	470759000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	95985000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	87250000	usd
CY2024Q3	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	406495000	usd
CY2023Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	383509000	usd
CY2024Q3	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	24921000	usd
CY2023Q4	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	29281000	usd
CY2024Q3	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	2013000	usd
CY2023Q4	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	4449000	usd
CY2024Q3	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	22908000	usd
CY2023Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	24832000	usd
CY2024Q3	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	429403000	usd
CY2023Q4	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	408341000	usd
CY2024Q3	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	500000	usd
CY2023Q3	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	700000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	2200000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	2000000.0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Year One Originated Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffYearOneOriginatedCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	41000	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	3024000	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Originated More Than Five Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	28000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3093000	usd
	hcsg	Financing Receivable Allowance For Credit Loss Recovery Year One Originated Current Fiscal Year FinancingReceivableAllowanceForCreditLossRecoveryYearOneOriginatedCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Recovery Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossRecoveryYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Recovery Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossRecoveryYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Recovery Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossRecoveryYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Recovery Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossRecoveryYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Recovery Originated More Than Five Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossRecoveryOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	0	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Year One Originated Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryYearOneOriginatedCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	41000	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	3024000	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	0	usd
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Originated More Than Five Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	28000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	3093000	usd
CY2024Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	103693000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	14468000	usd
CY2024Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1151000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	90376000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	11592000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	3024000	usd
CY2024Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-946000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7622000	usd
CY2024Q2	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	115285000	usd
CY2024Q3	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	17492000	usd
CY2024Q3	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	205000	usd
CY2024Q3	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	97998000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	100000	usd
CY2023Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	70420000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1039000	usd
CY2023Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	9648000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	79029000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9242000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2322000	usd
CY2023Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4522000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	11442000	usd
CY2023Q2	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	79662000	usd
CY2023Q3	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	3361000	usd
CY2023Q3	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	14170000	usd
CY2023Q3	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	90471000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	100000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	80819000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	27456000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	37013000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	90376000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10880000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	3093000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-165000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7622000	usd
CY2023Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	91699000	usd
	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	30549000	usd
	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	36848000	usd
CY2024Q3	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	97998000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	100000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	66601000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	12798000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	25226000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	79029000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	6863000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2535000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	7114000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	11442000	usd
CY2022Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	73464000	usd
	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	15333000	usd
	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	32340000	usd
CY2023Q3	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	90471000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	100000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1049000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-1306000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-271000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-6000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1320000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1300000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	300000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	usd
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-100000	usd
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-300000	usd
CY2024Q3	hcsg	Operating Lease Right Of Use Asset Before Accumulated Amortization OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization	28752000	usd
CY2023Q4	hcsg	Operating Lease Right Of Use Asset Before Accumulated Amortization OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization	27099000	usd
CY2024Q3	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	54817000	usd
CY2023Q4	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	50803000	usd
CY2024Q3	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	26382000	usd
CY2023Q4	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	22029000	usd
CY2024Q3	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	28435000	usd
CY2023Q4	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	28774000	usd
CY2024Q3	hcsg	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	12100000	usd
CY2023Q4	hcsg	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	9400000	usd
CY2024Q3	us-gaap	Depreciation Depreciation	3100000	usd
	us-gaap	Depreciation Depreciation	9000000.0	usd
CY2023Q3	us-gaap	Depreciation Depreciation	2500000	usd
	us-gaap	Depreciation Depreciation	7400000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2000000.0	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	5800000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1800000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	4600000	usd
	hcsg	Lessee Operating Lease Termination Option Term LesseeOperatingLeaseTerminationOptionTerm	P1Y
CY2024Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	1982000	usd
CY2023Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	1757000	usd
CY2024Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	174000	usd
CY2023Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	178000	usd
CY2024Q3	us-gaap	Variable Lease Cost VariableLeaseCost	375000	usd
CY2023Q3	us-gaap	Variable Lease Cost VariableLeaseCost	500000	usd
CY2024Q3	us-gaap	Lease Cost LeaseCost	2531000	usd
CY2023Q3	us-gaap	Lease Cost LeaseCost	2435000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	5764000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	4588000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	668000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	832000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	1216000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	1583000	usd
	us-gaap	Lease Cost LeaseCost	7648000	usd
	us-gaap	Lease Cost LeaseCost	7003000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	6024000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	4947000	usd
CY2024Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y8M12D
CY2023Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y6M
CY2024Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.059
CY2023Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.064
CY2024Q3	hcsg	Right Of Use Asset And Operating Lease Liability Decrease Due To Cancellation RightOfUseAssetAndOperatingLeaseLiabilityDecreaseDueToCancellation	100000	usd
	hcsg	Right Of Use Asset And Operating Lease Liability Decrease Due To Cancellation RightOfUseAssetAndOperatingLeaseLiabilityDecreaseDueToCancellation	600000	usd
CY2023Q3	hcsg	Right Of Use Asset And Operating Lease Liability Decrease Due To Cancellation RightOfUseAssetAndOperatingLeaseLiabilityDecreaseDueToCancellation	1200000	usd
	hcsg	Right Of Use Asset And Operating Lease Liability Decrease Due To Cancellation RightOfUseAssetAndOperatingLeaseLiabilityDecreaseDueToCancellation	2300000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2026000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	8009000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5287000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1869000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1389000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	116000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	18696000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1630000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	17066000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	671000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2685000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2666000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1195000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	613000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	509000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1774000	usd
CY2023Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	700000	usd
CY2024Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	700000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2000000.0	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3100000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2100000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1300000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1600000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1300000	usd
CY2024Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-300000	usd
CY2023Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-700000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-600000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-1000000	usd
CY2024Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	15100000	usd
CY2023Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	600000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	43200000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1900000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	300000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	usd
CY2024Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	2400000	usd
CY2023Q3	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	1200000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	7800000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	2600000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	101861000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	93131000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	102525000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1489000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2153000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	101861000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6828000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6793000	usd
CY2024Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	18600000	usd
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6828000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6793000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2438000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	30.43
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	290000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	10.36
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	1000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	24.43
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	182000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	28.58
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2545000	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	28.28
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.06
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.53
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.039
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.040
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y10M24D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.405
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.395
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	235000	usd
	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P4Y8M12D
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1753000	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	33.92
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	0	usd
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y2M12D
CY2024Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1500000	usd
CY2023Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1400000	usd
CY2024Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	428149000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	411388000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1277870000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1247549000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	18808000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-6333000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	38136000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20756000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	14030000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-5047000	usd
	us-gaap	Net Income Loss NetIncomeLoss	27551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14878000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73687000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74364000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73822000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74446000	shares
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	239000	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	185000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	50000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73926000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74364000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74007000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74496000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2935000	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3110000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2874000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2619000	shares
CY2024Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	300000000.0	usd
	us-gaap	Debt Instrument Basis Spread On Variable Rate1 DebtInstrumentBasisSpreadOnVariableRate1	0.0165
CY2023Q4	us-gaap	Line Of Credit LineOfCredit	25000000.0	usd
CY2024Q3	us-gaap	Line Of Credit LineOfCredit	25000000.0	usd
CY2024Q3	hcsg	Debt Instrument Covenant Number DebtInstrumentCovenantNumber	2	covenant
	hcsg	Lineof Credit Facility Increase Decrease Remaining Borrowing Capacity LineofCreditFacilityIncreaseDecreaseRemainingBorrowingCapacity	-60200000	usd
CY2024Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	214800000	usd
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
0000731012-24-000142-index-headers.html	Edgar Link	pending
0000731012-24-000142-index.html	Edgar Link	pending
0000731012-24-000142.txt	Edgar Link	pending
0000731012-24-000142-xbrl.zip	Edgar Link	pending
ex311section302certificati.htm	Edgar Link	pending
ex312section302certificati.htm	Edgar Link	pending
ex321section906certificati.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
hcsg-20240930.htm	Edgar Link	pending
hcsg-20240930.xsd	Edgar Link	pending
hcsg-20240930_g1.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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R28.htm	Edgar Link	pending
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R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
hcsg-20240930_cal.xml	Edgar Link	unprocessable
hcsg-20240930_lab.xml	Edgar Link	unprocessable
hcsg-20240930_pre.xml	Edgar Link	unprocessable
hcsg-20240930_htm.xml	Edgar Link	completed
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
hcsg-20240930_def.xml	Edgar Link	unprocessable

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$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg

2024 Q4 Form 10-Q Financial Statement

#000073101224000142 Filed on October 25, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HCSG HEALTHCARE SERVICES GROUP INC Stock $hcsg

2024 Q4 Form 10-Q Financial Statement

#000073101224000142 Filed on October 25, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg