$HSII
HEIDRICK & STRUGGLES INTERNATIONAL INC Stock $hsii

$hsii Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000106660521000014 Filed on February 24, 2021

Income Statement

Concept	2019 Q4	2018	2017 Q4
Revenue	$184.6M	$735.7M	$174.3M
YoY Change	-3.33%	14.94%	5.89%
Cost Of Revenue	$4.600M	$19.60M	$4.900M
YoY Change	-19.3%	4.81%	4.26%
Gross Profit	$180.0M	$716.0M	$169.4M
YoY Change	-2.86%	15.22%	6.01%
Gross Profit Margin	97.51%	97.33%	97.19%
Selling, General & Admin	$165.7M	$647.2M	$160.9M
YoY Change	-1.72%	11.3%	5.72%
% of Gross Profit	92.06%	90.39%	94.98%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.400M	$12.52M	$3.500M
YoY Change	-17.24%	-15.24%	-25.53%
% of Gross Profit	1.33%	1.75%	2.07%
Operating Expenses	$165.8M	$666.8M	$161.0M
YoY Change	-4.86%	0.03%	5.78%
Operating Profit	$14.20M	$68.86M	$8.400M
YoY Change	-14.93%	-359.61%	10.53%
Interest Expense	$800.0K	$1.100M	$200.0K
YoY Change	33.33%	175.0%	100.0%
% of Operating Profit	5.63%	1.6%	2.38%
Other Income/Expense, Net	$1.000M	$1.635M	-$500.0K
YoY Change	-240.85%	-156.48%	-126.32%
Pretax Income	$16.10M	$70.49M	-$19.10M
YoY Change	0.74%	-346.67%	-298.96%
Income Tax	$5.600M	$21.20M	-$3.600M
% Of Pretax Income	34.78%	30.07%
Net Earnings	$10.60M	$49.30M	-$39.20M
YoY Change	-5.31%	-201.36%	-7940.0%
Net Earnings / Revenue	5.74%	6.7%	-22.49%
Basic Earnings Per Share		$2.61
Diluted Earnings Per Share	$538.1K	$2.52	-$2.085M
COMMON SHARES
Basic Shares Outstanding	19.17M shares	18.92M shares	18.79M shares
Diluted Shares Outstanding		19.53M shares

Balance Sheet

Concept	2019 Q4	2018	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$332.9M	$279.9M	$207.5M
YoY Change	18.92%	34.89%	25.76%
Cash & Equivalents	$271.7M	$279.9M	$207.5M
Short-Term Investments	$61.15M
Other Short-Term Assets	$27.85M	$28.40M	$11.62M
YoY Change	-5.91%	-15.48%	-15.67%
Inventory
Prepaid Expenses	$20.19M		$22.00M
Receivables	$109.2M	$139.0M	$98.70M
Other Receivables	$4.400M	$3.600M	$3.900M
Total Short-Term Assets	$494.5M	$450.9M	$343.8M
YoY Change	9.67%	31.15%	15.2%
LONG-TERM ASSETS
Property, Plant & Equipment	$28.65M	$33.90M	$39.51M
YoY Change	-15.41%	-14.18%	12.58%
Goodwill	$126.8M		$118.9M
YoY Change	3.88%		-21.7%
Intangibles
YoY Change
Long-Term Investments	$25.40M	$19.40M	$21.30M
YoY Change	30.93%	-8.92%	23.12%
Other Assets	$20.43M	$72.10M	$8.999M
YoY Change	-8.27%	17.24%	-3.46%
Total Long-Term Assets	$349.7M	$249.7M	$243.4M
YoY Change	40.01%	2.59%	-14.01%
TOTAL ASSETS
Total Short-Term Assets	$494.5M	$450.9M	$343.8M
Total Long-Term Assets	$349.7M	$249.7M	$243.4M
Total Assets	$844.2M	$700.6M	$587.2M
YoY Change	20.49%	19.31%	0.98%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$8.633M	$9.200M	$9.824M
YoY Change	-5.81%	-6.12%	23.54%
Accrued Expenses	$265.3M	$228.9M	$177.4M
YoY Change	15.9%	20.22%	14.08%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$345.3M	$319.0M	$265.8M
YoY Change	8.27%	20.02%	20.49%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$4.634M	$114.5M	$23.60M
YoY Change	-73.4%	5.34%	-16.58%
Total Long-Term Liabilities	$189.7M	$114.5M	$108.7M
YoY Change	65.66%	5.34%	6.24%
TOTAL LIABILITIES
Total Short-Term Liabilities	$345.3M	$319.0M	$265.8M
Total Long-Term Liabilities	$189.7M	$114.5M	$108.7M
Total Liabilities	$535.1M	$433.5M	$374.5M
YoY Change	23.44%	15.75%	15.98%
SHAREHOLDERS EQUITY
Retained Earnings	$91.08M		-$716.0K
YoY Change	62.51%		-101.23%
Common Stock	$229.0M		$226.2M
YoY Change	0.73%		-1.72%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$14.80M		$26.10M
YoY Change	-27.11%		-20.72%
Treasury Stock Shares	419.8K shares		804.3K shares
Shareholders Equity	$309.1M	$267.2M	$212.7M
YoY Change
Total Liabilities & Shareholders Equity	$844.2M	$700.6M	$587.2M
YoY Change	20.49%	19.31%	0.98%

Cashflow Statement

Concept	2019 Q4	2018	2017 Q4
OPERATING ACTIVITIES
Net Income	$10.60M	$49.30M	-$39.20M
YoY Change	-5.31%	-201.36%	-7940.0%
Depreciation, Depletion And Amortization	$2.400M	$12.52M	$3.500M
YoY Change	-17.24%	-15.24%	-25.53%
Cash From Operating Activities	$114.0M	$102.9M	$103.0M
YoY Change	-9.38%	53.65%	45.28%
INVESTING ACTIVITIES
Capital Expenditures	-$800.0K	$5.960M	-$800.0K
YoY Change	-27.27%	-57.5%	-75.0%
Acquisitions		$3.083M
YoY Change		-946.98%
Other Investing Activities	-$18.50M	-$2.300M	$0.00
YoY Change		91.67%	-100.0%
Cash From Investing Activities	-$19.20M	-$8.249M	-$900.0K
YoY Change	1820.0%	-45.91%	-91.43%
FINANCING ACTIVITIES
Cash Dividend Paid		$10.18M
YoY Change		0.69%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-2.900M	-$16.99M	-2.500M
YoY Change	-59.72%	-0.42%	-725.0%
NET CHANGE
Cash From Operating Activities	114.0M	$102.9M	103.0M
Cash From Investing Activities	-19.20M	-$8.249M	-900.0K
Cash From Financing Activities	-2.900M	-$16.99M	-2.500M
Net Change In Cash	91.90M	$72.10M	99.60M
YoY Change	-21.85%	69.28%	63.82%
FREE CASH FLOW
Cash From Operating Activities	$114.0M	$102.9M	$103.0M
Capital Expenditures	-$800.0K	$5.960M	-$800.0K
Free Cash Flow	$114.8M	$96.94M	$103.8M
YoY Change	-9.54%	83.09%	40.08%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	hsii	Percentage Of Estimated First Year Compensation Received For Executive Search Services PercentageOfEstimatedFirstYearCompensationReceivedForExecutiveSearchServices	0.3333
CY2020	hsii	Percentage Of Excess Of Actual Over Estimated Compensation Of Placed Candidate Billed To Client PercentageOfExcessOfActualOverEstimatedCompensationOfPlacedCandidateBilledToClient	0.3333
CY2020	hsii	Additional Vesting Period After Deferral Date For Bonus Payment AdditionalVestingPeriodAfterDeferralDateForBonusPayment	P3Y
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001066605
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Entity Registrant Name EntityRegistrantName	HEIDRICK & STRUGGLES INTERNATIONAL, INC.
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
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CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	19585777	shares
CY2020	hsii	Cash And Cash Equivalents Maximum Maturity Period CashAndCashEquivalentsMaximumMaturityPeriod	P3M
CY2020	hsii	Vesting Period Of Deferred Cash Bonuses VestingPeriodOfDeferredCashBonuses	P3Y
CY2020	hsii	Percentage Increments Billed To Clients For Retainer And Indirect Expenses PercentageIncrementsBilledToClientsForRetainerAndIndirectExpenses	0.3333
CY2019	us-gaap	Concentration Risk Customer ConcentrationRiskCustomer	no
CY2019Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	0	USD
CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	USD
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	USD
CY2019	hsii	Defined Contribution Plan Employer Matching Contribution Amount DefinedContributionPlanEmployerMatchingContributionAmount	6000	USD
CY2019	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	6.0
CY2020	hsii	Income Tax Examination Period Maximum IncomeTaxExaminationPeriodMaximum	P12M
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Entity File Number EntityFileNumber	0-25837
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	36-2681268
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	233 South Wacker Drive
CY2020	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 4900
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Chicago
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60606-6303
CY2020	dei	City Area Code CityAreaCode	(312)
CY2020	dei	Local Phone Number LocalPhoneNumber	496-1200
CY2020	dei	Security12b Title Security12bTitle	Common Stock, $.01 par value
CY2020	dei	Trading Symbol TradingSymbol	HSII
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
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CY2020	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
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CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Entity Shell Company EntityShellCompany	false
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CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	70492000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6309000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22420000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21197000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-37707000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46869000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	49295000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	82000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3885000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-1680000	USD
CY2020	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-13000	USD
CY2019	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	13000	USD
CY2018	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	0	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-476000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-1095000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	721000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-407000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-238000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3164000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-38114000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	46631000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	46131000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19301000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19103000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18917000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19551000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19532000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.95
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.45
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.61
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.95
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.40
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.52
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.60
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.60
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.52
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-37707000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46869000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	49295000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	26656000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10371000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	12522000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	1644000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-3496000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	10199000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	10298000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	8947000	USD
CY2020	us-gaap	Accretion Expense AccretionExpense	0	USD
CY2019	us-gaap	Accretion Expense AccretionExpense	668000	USD
CY2018	us-gaap	Accretion Expense AccretionExpense	1285000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	32970000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-154000	USD
CY2019	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-595000	USD
CY2018	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	0	USD
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	287000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	22644000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6899000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-16759000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	451000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-994000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-526000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-26513000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2441000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	71526000	USD
CY2020	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	2479000	USD
CY2019	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	1959000	USD
CY2018	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-11617000	USD
CY2020	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-3688000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	175000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-1899000	USD
CY2020	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-4016000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-5450000	USD
CY2018	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	757000	USD
CY2020	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	1794000	USD
CY2019	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	3258000	USD
CY2018	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-1492000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1642000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-455000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-893000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2011000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1557000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-4748000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	23353000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	78645000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	102902000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	3520000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	3083000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7322000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3352000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5960000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	118904000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	130411000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2201000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	158852000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	67968000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	2995000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	32626000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-69315000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8249000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	100000000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	20000000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	100000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	20000000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	981000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	12063000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	11835000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	10181000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1550000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4552000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2234000	USD
CY2020	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	2789000	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1853000	USD
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	3592000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-16402000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-18240000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-16988000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5193000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	367000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-5565000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	44770000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-8543000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	72100000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-407000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	271719000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	280262000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	208162000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	316489000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	271719000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	280262000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	12154	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	27338	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	22616	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	761000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	0	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	67	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	212705000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	49295000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3164000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	8947000	USD
CY2018	us-gaap	Restricted Stock Value Shares Issued Net Of Tax Withholdings RestrictedStockValueSharesIssuedNetOfTaxWithholdings	-2233000	USD
CY2018	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	225000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.39
CY2018	us-gaap	Dividends Cash DividendsCash	7389000	USD
CY2018	us-gaap	Dividends Share Based Compensation Cash DividendsShareBasedCompensationCash	184000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	267156000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46869000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-238000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	10298000	USD
CY2019	us-gaap	Restricted Stock Value Shares Issued Net Of Tax Withholdings RestrictedStockValueSharesIssuedNetOfTaxWithholdings	-4552000	USD
CY2019	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1417000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.60
CY2019	us-gaap	Dividends Cash DividendsCash	11461000	USD
CY2019	us-gaap	Dividends Share Based Compensation Cash DividendsShareBasedCompensationCash	374000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	309115000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-37707000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	10199000	USD
CY2020	us-gaap	Restricted Stock Value Shares Issued Net Of Tax Withholdings RestrictedStockValueSharesIssuedNetOfTaxWithholdings	-1550000	USD
CY2020	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	346000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.60
CY2020	us-gaap	Dividends Cash DividendsCash	11576000	USD
CY2020	us-gaap	Dividends Share Based Compensation Cash DividendsShareBasedCompensationCash	486000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	267602000	USD
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Concentration of Risk</span></div><div style="text-align:justify;text-indent:18pt"><span><br/></span></div><div style="text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company is potentially exposed to concentrations of risk associated with its accounts receivable. However, this risk is limited due to the Company’s large number of clients and their dispersion across many different industries and geographies. At December 31, 2020 and 2019, the Company had no significant concentrations of risk.</span></div>
CY2020	us-gaap	Concentration Risk Customer ConcentrationRiskCustomer	no
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-37707000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46869000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	49295000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19301000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19103000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18917000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19301000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19551000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19532000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.95
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.45
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.61
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.95
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.40
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.52
CY2020Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	316473000	USD
CY2019Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	271719000	USD
CY2018Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	279906000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	316489000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	271719000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	280262000	USD
CY2020Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	9907000	USD
CY2019Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	7585000	USD
CY2020	hsii	Increase Decreasein Unbilled Contracts Receivable IncreaseDecreaseinUnbilledContractsReceivable	2322000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	9745000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	14672000	USD
CY2020	hsii	Increase Decrease In Contract With Customer After Allowance For Credit Loss IncreaseDecreaseInContractWithCustomerAfterAllowanceForCreditLoss	-4927000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	19652000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	22257000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-2605000	USD
CY2020Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	38050000	USD
CY2019Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	41267000	USD
CY2020	us-gaap	Deferred Revenue Period Increase Decrease DeferredRevenuePeriodIncreaseDecrease	-3217000	USD
CY2020	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	36200000	USD
CY2020	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	16700000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	5140000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3502000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2534000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6696000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	5900000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3790000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	5418000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	4270000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	2708000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Loss Foreign Currency Translation FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation	139000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Loss Foreign Currency Translation FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation	8000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Loss Foreign Currency Translation FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation	-114000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	6557000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	5140000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3502000	USD
CY2020Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	31997000	USD
CY2020	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	1000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	80680000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	92540000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	57188000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	63890000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	23492000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	28650000	USD
CY2020	us-gaap	Depreciation Depreciation	8100000	USD
CY2019	us-gaap	Depreciation Depreciation	9500000	USD
CY2018	us-gaap	Depreciation Depreciation	11000000.0	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	22227000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	24928000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	6047000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	7932000	USD
CY2020	us-gaap	Lease Cost LeaseCost	28274000	USD
CY2019	us-gaap	Lease Cost LeaseCost	32860000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	33200000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	31573000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	33797000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	31829000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	19640000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y8M12D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.035
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	28089000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	25803000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	23822000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	14030000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	139718000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	6726000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	30226000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	128696000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	12896000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	115800000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	3300000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	3000000.0	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	51996000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax	-1000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	51996000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	316473000	USD
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	19999000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	139705000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	13000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	271719000	USD
CY2019Q4	us-gaap	Marketable Securities MarketableSecurities	61153000	USD
CY2020Q4	hsii	Aggregate Cost Basis For Non Qualified Deferred Compensation Plan AggregateCostBasisForNonQualifiedDeferredCompensationPlan	19500000	USD
CY2019Q4	hsii	Aggregate Cost Basis For Non Qualified Deferred Compensation Plan AggregateCostBasisForNonQualifiedDeferredCompensationPlan	17200000	USD
CY2020Q4	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	116520000	USD
CY2019Q4	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	19787000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	33000000.0	USD
CY2020Q4	us-gaap	Goodwill Goodwill	91643000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	126831000	USD
CY2017Q4	us-gaap	Goodwill Gross GoodwillGross	118892000	USD
CY2017Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	USD
CY2017Q4	us-gaap	Goodwill Goodwill	118892000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2278000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	122092000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	946000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	126831000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	32970000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2218000	USD
CY2020Q4	us-gaap	Goodwill Gross GoodwillGross	124613000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	91643000	USD
CY2020	hsii	Percentage Of Fair Value Excess By Carrying Value PercentageOfFairValueExcessByCarryingValue	1
CY2020	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P6Y4M24D
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	16880000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	15751000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1129000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	16664000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	14729000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1935000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	700000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	900000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1500000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	496000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	318000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	189000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	77000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	49000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1129000	USD
CY2020Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	19652000	USD
CY2019Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	22257000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	3627000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	5591000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	23279000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	27848000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	100000000.0	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	100000000.0	USD
CY2020Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	0	USD
CY2020	hsii	Defined Contribution Plan Employer Matching Contribution Amount DefinedContributionPlanEmployerMatchingContributionAmount	6000	USD
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.060
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	20918000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	20908000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	212000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	338000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	790000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	1506000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	1402000	USD
CY2019	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	1375000	USD
CY2020	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	1833000	USD
CY2019	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-459000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	22351000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	20918000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent	1434000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent	1318000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	20917000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	19600000	USD
CY2020Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent	22351000	USD
CY2019Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent	20918000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	212000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	338000	USD
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	373000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	140000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	35000	USD
CY2018	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	92000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	352000	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	373000	USD
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	465000	USD
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0103
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0171
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0164
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0072
CY2019Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0103
CY2018Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0171
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0
CY2019Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0
CY2018Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0
CY2020	hsii	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Measurement Date DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationMeasurementDate	2020-12-31
CY2019	hsii	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Measurement Date DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationMeasurementDate	2019-12-31
CY2018	hsii	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Measurement Date DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationMeasurementDate	2018-12-31
CY2020Q4	hsii	Defined Benefit Plan Amountsin Accumulated Other Comprehensive Income Not Yet Recognized In Net Periodic Benefit Cost DefinedBenefitPlanAmountsinAccumulatedOtherComprehensiveIncomeNotYetRecognizedInNetPeriodicBenefitCost	5100000	USD
CY2019Q4	hsii	Defined Benefit Plan Amountsin Accumulated Other Comprehensive Income Not Yet Recognized In Net Periodic Benefit Cost DefinedBenefitPlanAmountsinAccumulatedOtherComprehensiveIncomeNotYetRecognizedInNetPeriodicBenefitCost	4000000.0	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	15900000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	15300000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	1434000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	1415000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	1393000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	1367000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	1335000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	6034000	USD
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	500000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	3001357	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1057037	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	708394	shares
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3571000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3529000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2674000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	52372000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	4130000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2017Q4	us-gaap	Restructuring Reserve RestructuringReserve	13025000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	9930000	USD
CY2018	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	195000	USD
CY2018	us-gaap	Other Restructuring Costs OtherRestructuringCosts	1933000	USD
CY2018	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	-71000	USD
CY2018Q4	us-gaap	Restructuring Reserve RestructuringReserve	1286000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	4130000	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	2213000	USD
CY2019	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	17000	USD
CY2019	us-gaap	Other Restructuring Costs OtherRestructuringCosts	-4000	USD
CY2019	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	55000	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	3245000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	52372000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	12263000	USD
CY2020	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	19456000	USD
CY2020	us-gaap	Other Restructuring Costs OtherRestructuringCosts	173000	USD
CY2020	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	-460000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	23265000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	11346000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	53461000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	47191000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-42744000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	15828000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	23301000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-31398000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	69289000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	70492000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	4469000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11311000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12311000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1948000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4422000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4843000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2172000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	4423000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	6907000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8589000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	20156000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	24061000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-2416000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2031000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	6403000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-697000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	698000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-354000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	833000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-465000	USD
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Files In Submission

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$HSII
HEIDRICK & STRUGGLES INTERNATIONAL INC Stock $hsii

2019 Q4 Form 10-K Financial Statement

#000106660521000014 Filed on February 24, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HSII HEIDRICK & STRUGGLES INTERNATIONAL INC Stock $hsii

2019 Q4 Form 10-K Financial Statement

#000106660521000014 Filed on February 24, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HSII
HEIDRICK & STRUGGLES INTERNATIONAL INC Stock $hsii