$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg

$hcsg Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000073101221000068 Filed on July 23, 2021

Income Statement

Concept	2021 Q2	2020 Q2
Revenue	$398.2M	$452.0M
YoY Change	-11.91%	-2.18%
Cost Of Revenue	$336.4M	$387.5M
YoY Change	-13.19%	-3.24%
Gross Profit	$61.76M	$64.51M
YoY Change	-4.27%	4.7%
Gross Profit Margin	15.51%	14.27%
Selling, General & Admin	$50.05M	$41.47M
YoY Change	20.71%	7.4%
% of Gross Profit	81.04%	64.27%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.600M	$2.600M
YoY Change	0.0%	13.04%
% of Gross Profit	4.21%	4.03%
Operating Expenses	$50.05M	$41.47M
YoY Change	20.71%	7.4%
Operating Profit	$11.71M	$23.05M
YoY Change	-49.2%	0.17%
Interest Expense	-$330.0K	-$380.0K
YoY Change	-13.16%	-51.47%
% of Operating Profit	-2.82%	-1.65%
Other Income/Expense, Net
YoY Change
Pretax Income	$15.06M	$30.41M
YoY Change	-50.47%	28.77%
Income Tax	$5.498M	$7.311M
% Of Pretax Income	36.5%	24.04%
Net Earnings	$9.565M	$23.10M
YoY Change	-58.59%	27.03%
Net Earnings / Revenue	2.4%	5.11%
Basic Earnings Per Share	$0.13	$0.31
Diluted Earnings Per Share	$0.13	$0.31
COMMON SHARES
Basic Shares Outstanding	75.01M shares	74.70M shares
Diluted Shares Outstanding	75.21M shares	74.76M shares

Balance Sheet

Concept	2021 Q2	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$250.4M	$170.4M
YoY Change	46.97%	78.06%
Cash & Equivalents	$124.6M	$78.11M
Short-Term Investments	$125.8M	$92.30M
Other Short-Term Assets	$40.97M	$24.20M
YoY Change	69.31%	-9.02%
Inventory	$28.01M	$33.70M
Prepaid Expenses	$40.97M	$24.18M
Receivables	$271.1M	$295.3M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$590.5M	$523.5M
YoY Change	12.79%	2.86%
LONG-TERM ASSETS
Property, Plant & Equipment	$26.92M	$28.60M
YoY Change	-5.87%	-3.39%
Goodwill	$61.66M	$51.08M
YoY Change	20.7%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$86.56M	$71.40M
YoY Change	21.23%
Total Long-Term Assets	$227.5M	$213.1M
YoY Change	6.73%	5.98%
TOTAL ASSETS
Total Short-Term Assets	$590.5M	$523.5M
Total Long-Term Assets	$227.5M	$213.1M
Total Assets	$818.0M	$736.7M
YoY Change	11.04%	3.74%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$51.34M	$59.37M
YoY Change	-13.52%	0.13%
Accrued Expenses	$122.7M	$89.20M
YoY Change	37.54%	43.64%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change		-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$176.6M	$169.5M
YoY Change	4.21%	11.96%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$5.703M	$117.5M
YoY Change	-95.15%	7.7%
Total Long-Term Liabilities	$5.703M	$117.5M
YoY Change	-95.15%	7.7%
TOTAL LIABILITIES
Total Short-Term Liabilities	$176.6M	$169.5M
Total Long-Term Liabilities	$5.703M	$117.5M
Total Liabilities	$182.3M	$287.0M
YoY Change	-36.47%	10.17%
SHAREHOLDERS EQUITY
Retained Earnings	$203.8M	$176.3M
YoY Change	15.62%	-6.25%
Common Stock	$289.9M	$278.2M
YoY Change	4.19%	3.59%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$10.38M	$8.862M
YoY Change	17.15%	-5.22%
Treasury Stock Shares	1.299M shares	1.311M shares
Shareholders Equity	$488.3M	$449.7M
YoY Change
Total Liabilities & Shareholders Equity	$818.0M	$736.7M
YoY Change	11.04%	3.74%

Cashflow Statement

Concept	2021 Q2	2020 Q2
OPERATING ACTIVITIES
Net Income	$9.565M	$23.10M
YoY Change	-58.59%	27.03%
Depreciation, Depletion And Amortization	$2.600M	$2.600M
YoY Change	0.0%	13.04%
Cash From Operating Activities	$25.34M	$79.70M
YoY Change	-68.2%	2851.85%
INVESTING ACTIVITIES
Capital Expenditures	-$1.193M	-$1.000M
YoY Change	19.3%	-16.67%
Acquisitions
YoY Change
Other Investing Activities	-$6.123M	-$100.0K
YoY Change	6023.0%	-66.67%
Cash From Investing Activities	-$7.416M	-$1.100M
YoY Change	574.18%	-26.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-16.97M	-65.00M
YoY Change	-73.89%	381.48%
NET CHANGE
Cash From Operating Activities	25.34M	79.70M
Cash From Investing Activities	-7.416M	-1.100M
Cash From Financing Activities	-16.97M	-65.00M
Net Change In Cash	957.0K	13.60M
YoY Change	-92.96%	-210.57%
FREE CASH FLOW
Cash From Operating Activities	$25.34M	$79.70M
Capital Expenditures	-$1.193M	-$1.000M
Free Cash Flow	$26.54M	$80.70M
YoY Change	-67.12%	1969.23%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Entity Central Index Key EntityCentralIndexKey	0000731012
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	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	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	Security12b Title Security12bTitle	Common Stock, $.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
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CY2021Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	58348000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	70614000	USD
CY2021Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	40971000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	17797000	USD
CY2021Q2	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2595000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	0	USD
CY2021Q2	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	23368000	USD
CY2020Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	21610000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	176623000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	162260000	USD
CY2021Q2	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	62005000	USD
CY2020Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	60818000	USD
CY2021Q2	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	50406000	USD
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CY2021Q2	hcsg	Employee Related Liabilities Noncurrent EmployeeRelatedLiabilitiesNoncurrent	23302000	USD
CY2020Q4	hcsg	Employee Related Liabilities Noncurrent EmployeeRelatedLiabilitiesNoncurrent	23302000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11651000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11363000	USD
CY2021Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5703000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	0	USD
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2021Q2	us-gaap	Common Stock Value CommonStockValue	760000	USD
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CY2021Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	289138000	USD
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CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	203793000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	200893000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4995000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	5563000	USD
CY2021Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	1299000	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1313000	shares
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	10382000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	8959000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	488304000	USD
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CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	452029000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	805922000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	901179000	USD
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	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	673030000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	774673000	USD
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	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	90038000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	71482000	USD
CY2021Q2	hcsg	Investment Income And Other InvestmentIncomeAndOther	3684000	USD
CY2020Q2	hcsg	Investment Income And Other InvestmentIncomeAndOther	7745000	USD
	hcsg	Investment Income And Other InvestmentIncomeAndOther	5849000	USD
	hcsg	Investment Income And Other InvestmentIncomeAndOther	2918000	USD
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	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13903000	USD
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	us-gaap	Net Income Loss NetIncomeLoss	34218000	USD
	us-gaap	Net Income Loss NetIncomeLoss	43291000	USD
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	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
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	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
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	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	75004000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74676000	shares
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	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75218000	shares
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	us-gaap	Net Income Loss NetIncomeLoss	34218000	USD
	us-gaap	Net Income Loss NetIncomeLoss	43291000	USD
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	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33650000	USD
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	us-gaap	Net Income Loss NetIncomeLoss	34218000	USD
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	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7302000	USD
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	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	6709000	USD
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	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
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	us-gaap	Share Based Compensation ShareBasedCompensation	4569000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3925000	USD
	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	1138000	USD
	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	950000	USD
	hcsg	Unrealized Gain Loss On Securities Related To Deferred Compensation Fund UnrealizedGainLossOnSecuritiesRelatedToDeferredCompensationFund	4053000	USD
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	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-597000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3578000	USD
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	23054000	USD
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-2635000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2840000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	19972000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3931000	USD
	hcsg	Increase Decrease In Deferred Compensation Funding IncreaseDecreaseInDeferredCompensationFunding	-444000	USD
	hcsg	Increase Decrease In Deferred Compensation Funding IncreaseDecreaseInDeferredCompensationFunding	-990000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	17827000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-964000	USD
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-10088000	USD
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	16104000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	2595000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	12847000	USD
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	2945000	USD
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	5396000	USD
	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	4087000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	92383000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	84000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	307000	USD
	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	117000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	28842000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2093000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1835000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	15138000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	6939000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	12031000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5779000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	6000000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11116000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2688000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	31034000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	30161000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	46000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	45000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1855000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1862000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1835000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	10000000	USD
	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	1501000	USD
	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	661000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-32469000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-38915000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-14743000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	50780000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	139330000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	27329000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	124587000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	78109000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Asset1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1	5703000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Asset1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1	0	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	480461000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	24653000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1271000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	23382000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1475000	USD
CY2021Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1501000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2104000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	509000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2052000	USD
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2021Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15526000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	23000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	123000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	493102000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	9565000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	703000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10268000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	380000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2159000	USD
CY2021Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1835000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	-1000	USD
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2021Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15792000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	23000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	488304000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	460305000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	20190000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-533000	USD
CY2020Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19657000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1724000	USD
CY2020Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	661000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1822000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	528000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1835000	USD
CY2020Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.20
CY2020Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15142000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	23000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	187000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	438179000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	23101000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1656000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24757000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	138000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1830000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	-2000	USD
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.20
CY2020Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15237000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	22000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	449687000	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	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, valuations, 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, including the potential future effects of COVID-19. Management regularly evaluates this information to determine if it is necessary to update the basis for its estimates and to adjust for known changes.
	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
	hcsg	Period Of Amortization Of Inventories And Supplies PeriodOfAmortizationOfInventoriesAndSupplies	P24M
	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
	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, marketable securities, deferred compensation funding and accounts and notes receivable. At June 30, 2021 and December 31, 2020, substantially all of the Company’s cash and cash equivalents and marketable securities were held in one large financial institution located in the United States. The Company’s marketable securities are fixed income investments which are highly liquid and can be readily purchased or sold through established markets. </span></div><div style="text-align:justify"><span><br/></span></div><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 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 customers participate. As a result, the Company may not realize the full effects of such programs until these laws are fully implemented and governmental agencies issue applicable regulations or guidance.</span></div>
CY2021Q2	hcsg	Concentration Risk Numberof Financial Institutions Holding Cashand Cash Equivalentsand Marketable Securities ConcentrationRiskNumberofFinancialInstitutionsHoldingCashandCashEquivalentsandMarketableSecurities	1	financial_institution
	hcsg	Revenue From Contract With Customer Renewal Term RevenueFromContractWithCustomerRenewalTerm	P1Y
CY2020Q4	hcsg	Concentration Risk Numberof Financial Institutions Holding Cashand Cash Equivalentsand Marketable Securities ConcentrationRiskNumberofFinancialInstitutionsHoldingCashandCashEquivalentsandMarketableSecurities	1	financial_institution
	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.At June 30, 2021, the Company had $327.8 million related to performance obligations that were unsatisfied or partially unsatisfied for which the Company expects to recognize revenue. The Company expects to recognize revenue on approximately 37.5% of the remaining performance obligations over the next 12 months, with the balance to be recognized thereafter. These amounts exclude variable consideration primarily related to performance obligations that consist of a series of distinct service periods with revenues based on future performance that cannot be estimated at contract inception. The Company also has elected to apply the practical expedient that permits exclusion of information about the remaining performance obligations with original expected durations of one year or less.
	hcsg	Revenue From Contract With Customer Renewal Term RevenueFromContractWithCustomerRenewalTerm	P1Y
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	327800000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.375
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2021Q2	hcsg	Accounts Notes Loansand Financing Receivable Gross Current AccountsNotesLoansandFinancingReceivableGrossCurrent	328566000	USD
CY2020Q4	hcsg	Accounts Notes Loansand Financing Receivable Gross Current AccountsNotesLoansandFinancingReceivableGrossCurrent	315380000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	57485000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	59906000	USD
CY2021Q2	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	271081000	USD
CY2020Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	255474000	USD
CY2021Q2	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	42031000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	42312000	USD
CY2021Q2	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	6875000	USD
CY2020Q4	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	7895000	USD
CY2021Q2	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	35156000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	34417000	USD
CY2021Q2	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	306237000	USD
CY2020Q4	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	289891000	USD
CY2021Q2	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	300000	USD
CY2020Q2	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	400000	USD
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	700000	USD
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	1000000.0	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	0	USD
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	315000	USD
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	2494000	USD
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff Originated More Than Five Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	0	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2809000	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	1000	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	38000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	39000	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	-1000	USD
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	315000	USD
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	2494000	USD
	hcsg	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Originated More Than Five Years Before Current Fiscal Year FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	-38000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2770000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	46526000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	75000	USD
CY2021Q2	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3792000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	50243000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	14576000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	-39000	USD
CY2021Q2	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	-498000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	14117000	USD
CY2021Q1	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	61102000	USD
CY2021Q2	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	36000	USD
CY2021Q2	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	3294000	USD
CY2021Q2	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	64360000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	100000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	74389000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	9987000	USD
CY2020Q2	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1897000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	66299000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	17891000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2168000	USD
CY2020Q2	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	1964000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	17687000	USD
CY2020Q1	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	92280000	USD
CY2020Q2	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	12155000	USD
CY2020Q2	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	3861000	USD
CY2020Q2	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	83986000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	800000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	51052000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	7380000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6571000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	50243000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	16749000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2770000	USD
	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	138000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	14117000	USD
CY2020Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	67801000	USD
	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	10150000	USD
	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	6709000	USD
CY2021Q2	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	64360000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	100000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	39903000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	14396000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4083000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	66299000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	12490000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2168000	USD
	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	1838000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	17687000	USD
CY2019Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	52393000	USD
	hcsg	Accounts And Financing Receivable Allowance For Credit Loss Writeoff AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff	16564000	USD
	hcsg	Accounts And Financing Receivable Credit Loss Expense Reversal AccountsAndFinancingReceivableCreditLossExpenseReversal	5921000	USD
CY2020Q2	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	83986000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	800000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-405000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1057000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	163000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-66000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-568000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1123000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	200000	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	-600000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	300000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	26074000	USD
CY2021Q2	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	50492000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	30052000	USD
CY2020Q4	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	47532000	USD
CY2021Q2	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	23570000	USD
CY2020Q4	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	20971000	USD
CY2021Q2	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	26922000	USD
CY2020Q4	hcsg	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	26561000	USD
CY2021Q2	us-gaap	Depreciation Depreciation	2600000	USD
CY2020Q2	us-gaap	Depreciation Depreciation	2600000	USD
	us-gaap	Depreciation Depreciation	5200000	USD
	us-gaap	Depreciation Depreciation	5100000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1600000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	3100000	USD
CY2020Q2	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1400000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2700000	USD
	hcsg	Lessee Operating Lease Termination Option Term LesseeOperatingLeaseTerminationOptionTerm	P1Y
CY2021Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	1479000	USD
CY2020Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	1394000	USD
CY2021Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	269000	USD
CY2020Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	124000	USD
CY2021Q2	us-gaap	Variable Lease Cost VariableLeaseCost	-603000	USD
CY2020Q2	us-gaap	Variable Lease Cost VariableLeaseCost	116000	USD
CY2021Q2	us-gaap	Lease Cost LeaseCost	1145000	USD
CY2020Q2	us-gaap	Lease Cost LeaseCost	1634000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	2918000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	2749000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	436000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	253000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	-531000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	262000	USD
	us-gaap	Lease Cost LeaseCost	2823000	USD
	us-gaap	Lease Cost LeaseCost	3264000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	3243000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	2793000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y2M12D
CY2020Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M6D
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.042
CY2020Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.049
CY2021Q2	hcsg	Operating Lease Rightof Use Asset Cancellation OperatingLeaseRightofUseAssetCancellation	200000	USD
CY2021Q2	hcsg	Operating Lease Liability Cancellation OperatingLeaseLiabilityCancellation	200000	USD
CY2020Q2	hcsg	Operating Lease Rightof Use Asset Cancellation OperatingLeaseRightofUseAssetCancellation	300000	USD
CY2020Q2	hcsg	Operating Lease Liability Cancellation OperatingLeaseLiabilityCancellation	300000	USD
	hcsg	Operating Lease Rightof Use Asset Cancellation OperatingLeaseRightofUseAssetCancellation	100000	USD
	hcsg	Operating Lease Liability Cancellation OperatingLeaseLiabilityCancellation	100000	USD
	hcsg	Operating Lease Liability Cancellation OperatingLeaseLiabilityCancellation	300000	USD
	hcsg	Operating Lease Rightof Use Asset Cancellation OperatingLeaseRightofUseAssetCancellation	300000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	3195000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5497000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3649000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1716000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1311000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1337000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	2867000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	19572000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1778000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	17794000	USD
	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P9Y10M24D
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2156000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4311000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3315000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2181000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2181000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2172000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	892000	USD
CY2021Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1100000	USD
CY2020Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1000000.0	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2100000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2100000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	700000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1700000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-600000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1100000	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2900000	USD
CY2020Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	6700000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	4100000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	1000000.0	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	119938000	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6006000	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	101000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	125843000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	117970000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	7043000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	125012000	USD
CY2020	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5060000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2927000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	32074000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	26324000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	52474000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	55366000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	36235000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	40395000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	125843000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	125012000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4569000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3925000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2098000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.35
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	71000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	24.77
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	1000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	207000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	28.45
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	39.38
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	8000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	33.22
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2225000	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.16
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	7.01
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.62
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	400000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	900000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.006
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.018
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y7M6D
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y7M6D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.347
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.265
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.029
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.032
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	5632000	USD
	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P5Y3M18D
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1579000	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	33.07
CY2021Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3763000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y2M12D
CY2021Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1500000	USD
CY2021Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	398171000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	452029000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	805922000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	901179000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	15063000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	30412000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	48015000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	57194000	USD
	us-gaap	Net Income Loss NetIncomeLoss	34218000	USD
	us-gaap	Net Income Loss NetIncomeLoss	43291000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	9565000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	23101000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	75005000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74695000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	75004000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74676000	shares
CY2021Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	207000	shares
CY2020Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	66000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	214000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	88000	shares
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.13
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75212000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74761000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75218000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74764000	shares
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.13
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1485000	shares
CY2020Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2102000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1590000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2096000	shares
CY2021Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	475000000	USD
CY2021Q2	us-gaap	Line Of Credit LineOfCredit	0	USD
	hcsg	Lineof Credit Facility Increase Decrease Remaining Borrowing Capacity LineofCreditFacilityIncreaseDecreaseRemainingBorrowingCapacity	-64900000	USD
CY2021Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	410100000	USD
CY2021Q2	us-gaap	Litigation Reserve LitigationReserve	6000000.0	USD

Files In Submission

Name	View Source	Status
0000731012-21-000068-index-headers.html	Edgar Link	pending
0000731012-21-000068-index.html	Edgar Link	pending
0000731012-21-000068.txt	Edgar Link	pending
0000731012-21-000068-xbrl.zip	Edgar Link	pending
esppamendmentno4.htm	Edgar Link	pending
ex311section302certificati.htm	Edgar Link	pending
ex312section302certificati.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
hcsg-20210630.htm	Edgar Link	pending
hcsg-20210630.xsd	Edgar Link	pending
hcsg-20210630_cal.xml	Edgar Link	unprocessable
hcsg-20210630_def.xml	Edgar Link	unprocessable
hcsg-20210630_htm.xml	Edgar Link	completed
hcsg-20210630_lab.xml	Edgar Link	unprocessable
hcsg-20210630_pre.xml	Edgar Link	unprocessable
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
section906certificationq22.htm	Edgar Link	pending
Show.js	Edgar Link	pending

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$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg

2021 Q2 Form 10-Q Financial Statement

#000073101221000068 Filed on July 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HCSG HEALTHCARE SERVICES GROUP INC Stock $hcsg

2021 Q2 Form 10-Q Financial Statement

#000073101221000068 Filed on July 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg