$HL
HECLA MINING CO/DE/ Stock $hl

$hl Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000143774921018712 Filed on August 05, 2021

Income Statement

Concept	2021 Q2	2021 Q1	2020 Q2
Revenue	$218.0M	$210.9M	$166.4M
YoY Change	31.03%	53.99%	23.99%
Cost Of Revenue	$156.1M	$143.5M	$128.2M
YoY Change	21.68%	16.12%	-16.95%
Gross Profit	$61.93M	$67.40M	$38.11M
YoY Change	62.51%	403.37%	-288.26%
Gross Profit Margin	28.41%	31.97%	22.91%
Selling, General & Admin	$11.10M	$8.000M	$7.000M
YoY Change	58.63%	-10.11%	-21.35%
% of Gross Profit	17.93%	11.87%	18.37%
Research & Development	$11.24M	$6.700M	$0.00
YoY Change			-100.0%
% of Gross Profit	18.15%	9.94%	0.0%
Depreciation & Amortization	$48.62M	$46.96M	$42.60M
YoY Change	14.13%	18.04%	-15.64%
% of Gross Profit	78.51%	69.67%	111.78%
Operating Expenses	$32.79M	$26.37M	$23.53M
YoY Change	39.36%	-0.24%	1.27%
Operating Profit	$29.14M	$41.03M	$13.91M
YoY Change	109.58%	-414.49%	-131.98%
Interest Expense	$10.27M	$10.74M	$11.83M
YoY Change	-13.17%	-34.13%	4.36%
% of Operating Profit	35.24%	26.19%	85.07%
Other Income/Expense, Net	-$30.53M	-$14.84M	-$23.95M
YoY Change	27.45%	366.07%	68.28%
Pretax Income	-$1.386M	$26.19M	-$9.371M
YoY Change	-85.21%	-261.4%	-83.76%
Income Tax	-$4.134M	$4.743M	$2.646M
% Of Pretax Income		18.11%
Net Earnings	$2.748M	$21.45M	-$12.02M
YoY Change	-122.87%	-235.56%	-74.17%
Net Earnings / Revenue	1.26%	10.17%	-7.22%
Basic Earnings Per Share	$0.01	$0.04	-$0.02
Diluted Earnings Per Share	$0.01	$0.04	-$0.02
COMMON SHARES
Basic Shares Outstanding	535.5M	534.1M	525.2M
Diluted Shares Outstanding	542.3M	540.5M	525.2M

Balance Sheet

Concept	2021 Q2	2021 Q1	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$181.5M	$139.8M	$75.90M
YoY Change	139.12%	-35.19%	707.45%
Cash & Equivalents	$181.5M	$139.8M	$75.92M
Short-Term Investments
Other Short-Term Assets	$10.20M	$12.97M	$9.567M
YoY Change	6.6%	-30.98%	-38.37%
Inventory	$82.96M	$94.30M	$82.50M
Prepaid Expenses
Receivables	$41.31M	$35.27M	$26.00M
Other Receivables	$9.334M	$8.400M	$15.70M
Total Short-Term Assets	$331.2M	$297.9M	$214.9M
YoY Change	54.12%	-13.03%	47.77%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.305B	$2.321B	$2.355B
YoY Change	-2.1%	-3.04%	-5.27%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$11.08M	$11.70M	$12.20M
YoY Change	-9.16%	138.78%	110.34%
Other Assets	$3.721M	$3.836M	$4.028M
YoY Change	-7.62%	-14.89%	-60.4%
Total Long-Term Assets	$2.340B	$2.357B	$2.389B
YoY Change	-2.03%	3.72%	-5.42%
TOTAL ASSETS
Total Short-Term Assets	$331.2M	$297.9M	$214.9M
Total Long-Term Assets	$2.340B	$2.357B	$2.389B
Total Assets	$2.671B	$2.655B	$2.603B
YoY Change	2.61%	1.53%	-2.52%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$62.18M	$53.10M	$40.80M
YoY Change	52.41%	7.49%	-41.13%
Accrued Expenses	$49.28M	$37.40M	$46.70M
YoY Change	5.53%	-23.52%	14.46%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$6.223M	$6.700M	$5.700M
YoY Change	9.18%	24.07%	5.56%
Total Short-Term Liabilities	$129.4M	$109.1M	$115.6M
YoY Change	11.9%	-6.88%	-1.88%
LONG-TERM LIABILITIES
Long-Term Debt	$517.5M	$518.3M	$525.3M
YoY Change	-1.48%	-24.31%	-10.46%
Other Long-Term Liabilities	$4.098M	$4.146M	$2.435M
YoY Change	68.3%	-70.46%	-59.24%
Total Long-Term Liabilities	$4.098M	$4.146M	$2.435M
YoY Change	68.3%	-70.46%	-99.59%
TOTAL LIABILITIES
Total Short-Term Liabilities	$129.4M	$109.1M	$115.6M
Total Long-Term Liabilities	$4.098M	$4.146M	$2.435M
Total Liabilities	$950.6M	$930.2M	$944.7M
YoY Change	0.62%	-15.99%	-8.41%
SHAREHOLDERS EQUITY
Retained Earnings	-$382.6M	$365.2M	-$387.7M
YoY Change	-1.31%	-198.18%	20.0%
Common Stock	$136.1M	$135.5M	$133.7M
YoY Change	1.77%	2.39%	8.08%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$28.02M	$23.50M	$23.50M
YoY Change	19.26%	2.3%	4.99%
Treasury Stock Shares	$7.395M	$6.821M	$6.821M
Shareholders Equity	$1.748B	$1.751B	$1.666B
YoY Change
Total Liabilities & Shareholders Equity	$2.671B	$2.655B	$2.603B
YoY Change	2.61%	-3.95%	-2.52%

Cashflow Statement

Concept	2021 Q2	2021 Q1	2020 Q2
OPERATING ACTIVITIES
Net Income	$2.748M	$21.45M	-$12.02M
YoY Change	-122.87%	-235.56%	-74.17%
Depreciation, Depletion And Amortization	$48.62M	$46.96M	$42.60M
YoY Change	14.13%	18.04%	-15.64%
Cash From Operating Activities	$86.34M	$37.94M	$37.60M
YoY Change	129.63%	669.96%	-432.74%
INVESTING ACTIVITIES
Capital Expenditures	-$31.91M	$21.41M	-$10.80M
YoY Change	195.47%	7.77%	-71.65%
Acquisitions
YoY Change
Other Investing Activities	$131.0K	$0.00	-$600.0K
YoY Change	-121.83%	-100.0%	500.0%
Cash From Investing Activities	-$31.78M	-$21.39M	-$11.40M
YoY Change	178.77%	8.51%	-70.16%
FINANCING ACTIVITIES
Cash Dividend Paid		$4.826M
YoY Change		234.67%
Common Stock Issuance & Retirement, Net		$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-12.57M	-$6.789M	-165.8M
YoY Change	-92.42%	-104.0%	-454.27%
NET CHANGE
Cash From Operating Activities	86.34M	$37.94M	37.60M
Cash From Investing Activities	-31.78M	-$21.39M	-11.40M
Cash From Financing Activities	-12.57M	-$6.789M	-165.8M
Net Change In Cash	41.99M	$9.920M	-139.6M
YoY Change	-130.08%	-93.53%	5070.37%
FREE CASH FLOW
Cash From Operating Activities	$86.34M	$37.94M	$37.60M
Capital Expenditures	-$31.91M	$21.41M	-$10.80M
Free Cash Flow	$118.3M	$16.52M	$48.40M
YoY Change	144.32%	-210.57%	80.6%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	157816
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	157816
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	157816
CY2020Q4	hl	Common Stock Shares Issued Less Treasury Shares CommonStockSharesIssuedLessTreasuryShares	538487415
CY2021Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	7395295
CY2021Q2	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	7891000	USD
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	7891000	USD
CY2021Q2	hl	Common Stock Shares Issued Less Treasury Shares CommonStockSharesIssuedLessTreasuryShares	544217951
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	536976532
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.001
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.027
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.036
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.001
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.027
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.036
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2021Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.25
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.25
CY2021Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	157816
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.25
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.25
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	6821044
CY2021Q2	hl	Restricted Stock Unit Distributions Shares RestrictedStockUnitDistributionsShares	1653000
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.01125
CY2021Q2	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	0.875
CY2021Q2	hl	Stock Issued During Period Shares401k Match StockIssuedDuringPeriodShares401kMatch	217000
CY2021Q2	hl	Stock Issued During Period Shares Directors StockIssuedDuringPeriodSharesDirectors	207000
CY2020Q2	hl	Restricted Stock Unit Distributions Shares RestrictedStockUnitDistributionsShares	1702000
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
CY2020Q2	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	0.875
CY2020Q2	hl	Stock Issued During Period Shares401k Match StockIssuedDuringPeriodShares401kMatch	606000
CY2020Q2	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	2800000
CY2020Q2	us-gaap	Stock Issued During Period Shares Employee Benefit Plan StockIssuedDuringPeriodSharesEmployeeBenefitPlan	167000
CY2020Q2	hl	Treasury Shares Issued To Charitable Foundation Share TreasurySharesIssuedToCharitableFoundationShare	650000
	hl	Restricted Stock Unit Distributions Shares RestrictedStockUnitDistributionsShares	1653000
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.02
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	hl	Stock Issued During Period Shares401k Match StockIssuedDuringPeriodShares401kMatch	382000
	us-gaap	Stock Issued During Period Shares Employee Benefit Plan StockIssuedDuringPeriodSharesEmployeeBenefitPlan	3500000
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	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.005
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	hl	Stock Issued During Period Shares401k Match StockIssuedDuringPeriodShares401kMatch	957000
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	us-gaap	Stock Issued During Period Shares Employee Benefit Plan StockIssuedDuringPeriodSharesEmployeeBenefitPlan	167000
	hl	Treasury Shares Issued To Charitable Foundation Share TreasurySharesIssuedToCharitableFoundationShare	650000
	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	79089000	USD
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	158723000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	59260000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	34079000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	303280000	USD
CY2021Q2	hl	Cost Of Goods Sold Before Depreciation Depletion And Amortization CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization	110320000	USD
CY2020Q2	hl	Cost Of Goods Sold Before Depreciation Depletion And Amortization CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization	92853000	USD
	hl	Cost Of Goods Sold Before Depreciation Depletion And Amortization CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization	207029000	USD
	hl	Cost Of Goods Sold Before Depreciation Depletion And Amortization CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization	178740000	USD
CY2021Q2	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	48403000	USD
CY2020Q2	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	39423000	USD
	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	97734000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	132276000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	304763000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	257829000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5	pure
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.001
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.027
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CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.001
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CY2021Q2	hl	Share Based Compensation Arrangement By Share Based Payment Award Measurement Period Used To Value Performance Based Awards ShareBasedCompensationArrangementByShareBasedPaymentAwardMeasurementPeriodUsedToValuePerformanceBasedAwards	P3Y
CY2021Q2	hl	Silverlinked Dividend Per Share Increase SilverlinkedDividendPerShareIncrease	0.01
	hl	Forecasted Cad Denominated Operating Costs To Be Hedged Term ForecastedCADDenominatedOperatingCostsToBeHedgedTerm	P5Y
CY2021Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	217983000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	166355000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	428835000	USD
	us-gaap	Gross Profit GrossProfit	124072000	USD
	us-gaap	Gross Profit GrossProfit	45451000	USD
CY2021Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11104000	USD
CY2020Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	6979000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	19111000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	15918000	USD
CY2021Q2	hl	Exploration Exploration	8367000	USD
CY2020Q2	hl	Exploration Exploration	1962000	USD
	hl	Exploration Exploration	14318000	USD
	hl	Exploration Exploration	4492000	USD
CY2021Q2	hl	Predevelopment Predevelopment	2874000	USD
CY2020Q2	hl	Predevelopment Predevelopment	563000	USD
	hl	Predevelopment Predevelopment	3613000	USD
	hl	Predevelopment Predevelopment	1098000	USD
CY2021Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3643000	USD
CY2020Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1445000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	7282000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2365000	USD
CY2021Q2	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	1024000	USD
CY2020Q2	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	1037000	USD
	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	4733000	USD
	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	1553000	USD
CY2021Q2	hl	Employee Labor Strike Related Costs EmployeeLaborStrikeRelatedCosts	5786000	USD
CY2020Q2	hl	Employee Labor Strike Related Costs EmployeeLaborStrikeRelatedCosts	9572000	USD
	hl	Employee Labor Strike Related Costs EmployeeLaborStrikeRelatedCosts	10104000	USD
	hl	Employee Labor Strike Related Costs EmployeeLaborStrikeRelatedCosts	22568000	USD
CY2021Q2	hl	Foundation Grant Expense FoundationGrantExpense	0	USD
CY2020Q2	hl	Foundation Grant Expense FoundationGrantExpense	1970000	USD
	hl	Foundation Grant Expense FoundationGrantExpense	0	USD
	hl	Foundation Grant Expense FoundationGrantExpense	1970000	USD
CY2021Q2	us-gaap	Operating Expenses OperatingExpenses	32798000	USD
CY2020Q2	us-gaap	Operating Expenses OperatingExpenses	23528000	USD
	us-gaap	Operating Expenses OperatingExpenses	59161000	USD
	us-gaap	Operating Expenses OperatingExpenses	49964000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	26462000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	10551000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	64911000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-4513000	USD
CY2021Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
CY2020Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1158000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
CY2021Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-750000	USD
CY2020Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	6409000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-4256000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	5431000	USD
CY2021Q2	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-17313000	USD
CY2020Q2	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-14002000	USD
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-16840000	USD
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-6109000	USD
CY2021Q2	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-1907000	USD
CY2020Q2	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-3205000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-3971000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	3431000	USD
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-278000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1326000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-439000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1749000	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	10271000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	11829000	USD
	us-gaap	Interest Expense InterestExpense	21015000	USD
	us-gaap	Interest Expense InterestExpense	28140000	USD
CY2021Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-30519000	USD
CY2020Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-23953000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-45363000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-27136000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-4057000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-13402000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19548000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-31649000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4842000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	626000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-208000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-436000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	785000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-14028000	USD
	us-gaap	Net Income Loss NetIncomeLoss	19756000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-31213000	USD
CY2021Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	138000	USD
CY2020Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	138000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	276000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	276000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	647000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-14166000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	19480000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-31489000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	785000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-14028000	USD
	us-gaap	Net Income Loss NetIncomeLoss	19756000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-31213000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	1620000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	10384000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	3452000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-8951000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2405000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3644000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	23208000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-40164000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	535531000
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	525243000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	534819000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	524218000
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	542262000
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	525243000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	541468000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	524218000
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.125
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.250
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.000
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.500
	us-gaap	Net Income Loss NetIncomeLoss	19756000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-31213000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	98121000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	84185000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	6431000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	0	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1158000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-0	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-4256000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	5431000	USD
	us-gaap	Environmental Expense And Liabilities EnvironmentalExpenseAndLiabilities	6183000	USD
	us-gaap	Environmental Expense And Liabilities EnvironmentalExpenseAndLiabilities	3093000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3302000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2428000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	8562000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	5165000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	918000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2624000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-2116000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-11188000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-4455000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3725000	USD
	hl	Foundation Grant Expense FoundationGrantExpense	0	USD
	hl	Foundation Grant Expense FoundationGrantExpense	1970000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-153000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	276000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-573000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9432000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6050000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-5719000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4580000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-4125000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	924000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-6489000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-15415000	USD
	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	-5351000	USD
	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	5418000	USD
	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	-999000	USD
	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	3912000	USD
	hl	Increase Decrease In Accrued Reclamation And Closure Costs And Other Non Current Liabilities IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities	-696000	USD
	hl	Increase Decrease In Accrued Reclamation And Closure Costs And Other Non Current Liabilities IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities	435000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	124240000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	42453000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	53311000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	30689000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	131000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	200000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	-0	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	637000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-53180000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-31126000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4525000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2745000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10715000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2622000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	276000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	82000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	551000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	679500000	USD
	us-gaap	Repayments Of Debt RepaymentsOfDebt	-0	USD
	us-gaap	Repayments Of Debt RepaymentsOfDebt	666500000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	3770000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	2840000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-19368000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	3966000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-28000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-1794000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	51664000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	13499000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	130883000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	63477000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	182547000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	76976000	USD
	us-gaap	Interest Paid Net InterestPaidNet	18499000	USD
	us-gaap	Interest Paid Net InterestPaidNet	15837000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	9469000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5345000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	3120000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	3100000	USD
	us-gaap	Restricted Stock Expense RestrictedStockExpense	0	USD
	us-gaap	Restricted Stock Expense RestrictedStockExpense	5095000	USD
	hl	Accounts Receivable For Proceeds On Exchange Of Investments AccountsReceivableForProceedsOnExchangeOfInvestments	1832000	USD
	hl	Accounts Receivable For Proceeds On Exchange Of Investments AccountsReceivableForProceedsOnExchangeOfInvestments	0	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	181494000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	129830000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	41311000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	27864000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	31807000	USD
CY2021Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	4838000	USD
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	8349000	USD
CY2021Q2	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	6223000	USD
CY2021Q2	us-gaap	Other Receivables OtherReceivables	9334000	USD
CY2020Q4	us-gaap	Other Receivables OtherReceivables	11329000	USD
CY2021Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	43814000	USD
CY2020Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	57936000	USD
CY2021Q2	us-gaap	Other Inventory Supplies OtherInventorySupplies	39148000	USD
CY2020Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	38608000	USD
CY2021Q2	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	5879000	USD
CY2020Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	3470000	USD
CY2021Q2	us-gaap	Other Assets Current OtherAssetsCurrent	10198000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	15644000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	331178000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	284681000	USD
CY2021Q2	us-gaap	Long Term Investments LongTermInvestments	11083000	USD
CY2020Q4	us-gaap	Long Term Investments LongTermInvestments	15148000	USD
CY2021Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1053000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1053000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2305359000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2345219000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8902000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10628000	USD
CY2021Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	5090000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	2912000	USD
CY2021Q2	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	4852000	USD
CY2020Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	4558000	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3721000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3525000	USD
CY2021Q2	us-gaap	Assets Assets	2671238000	USD
CY2020Q4	us-gaap	Assets Assets	2667724000	USD
CY2021Q2	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	62183000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	68516000	USD
CY2021Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	24270000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	6491000	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2540000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3008000	USD
CY2021Q2	us-gaap	Interest Payable Current InterestPayableCurrent	14480000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	14157000	USD
CY2021Q2	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	6757000	USD
CY2020Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	11737000	USD
CY2021Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	116000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	138000	USD
CY2021Q2	us-gaap	Accrued Reclamation Costs Current AccruedReclamationCostsCurrent	7994000	USD
CY2020Q4	us-gaap	Accrued Reclamation Costs Current AccruedReclamationCostsCurrent	5582000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	129401000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	149785000	USD
CY2021Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	8905000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	9274000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	6368000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	7634000	USD
CY2021Q2	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	112651000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1690485000	USD
CY2020Q4	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	110466000	USD
CY2021Q2	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	508611000	USD
CY2020Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	507242000	USD
CY2021Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	143181000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	144330000	USD
CY2021Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	30237000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	44144000	USD
CY2021Q2	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	7104000	USD
CY2020Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	18000	USD
CY2021Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4098000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4346000	USD
CY2021Q2	us-gaap	Liabilities Liabilities	950556000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	977239000	USD
CY2021Q2	us-gaap	Preferred Stock Value PreferredStockValue	39000	USD
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	39000	USD
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	136065000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	134629000	USD
CY2021Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2024645000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2003576000	USD
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-382609000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-391374000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-29437000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-32889000	USD
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	28021000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	23496000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1720682000	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2671238000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2667724000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1724875000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	785000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	959000	USD
CY2021Q2	hl	Restricted Stock Unit Distributions RestrictedStockUnitDistributions	-4525000	USD
CY2021Q2	us-gaap	Dividends Common Stock DividendsCommonStock	6027000	USD
CY2021Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	138000	USD
CY2021Q2	hl	Stock Issued During Period Value401k Match StockIssuedDuringPeriodValue401kMatch	1289000	USD
CY2021Q2	hl	Stock Issued During Period Value Directors StockIssuedDuringPeriodValueDirectors	1844000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1620000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1720682000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	1645028000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-14028000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	1211000	USD
CY2020Q2	hl	Restricted Stock Unit Distributions RestrictedStockUnitDistributions	-1479000	USD
CY2020Q2	us-gaap	Dividends Common Stock DividendsCommonStock	1318000	USD
CY2020Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	138000	USD
CY2020Q2	hl	Stock Issued During Period Value401k Match StockIssuedDuringPeriodValue401kMatch	1029000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3829000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	350000	USD
CY2020Q2	hl	Treasury Shares Issued To Charitable Foundation Value TreasurySharesIssuedToCharitableFoundationValue	1970000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	10384000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	1646838000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1690485000	USD
	us-gaap	Net Income Loss NetIncomeLoss	19756000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	1459000	USD
	hl	Restricted Stock Unit Distributions RestrictedStockUnitDistributions	-4525000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	10715000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	276000	USD
	hl	Stock Issued During Period Value401k Match StockIssuedDuringPeriodValue401kMatch	2402000	USD
	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	16800000	USD
	hl	Stock Issued During Period Value Directors StockIssuedDuringPeriodValueDirectors	1844000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3452000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1720682000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	1680568000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-31213000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2430000	USD
	hl	Restricted Stock Unit Distributions RestrictedStockUnitDistributions	-1479000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	2622000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	276000	USD
	hl	Stock Issued During Period Value401k Match StockIssuedDuringPeriodValue401kMatch	2232000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3829000	USD
	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	350000	USD
	hl	Treasury Shares Issued To Charitable Foundation Value TreasurySharesIssuedToCharitableFoundationValue	1970000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8951000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	1646838000	USD
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	365200000	USD
CY2021Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	217983000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	166355000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	428835000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	303280000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	26462000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	10551000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	64911000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-4513000	USD
CY2021Q2	us-gaap	Assets Assets	2671238000	USD
CY2020Q4	us-gaap	Assets Assets	2667724000	USD
CY2021Q2	hl	Smelter And Refining Charges SmelterAndRefiningCharges	13120000	USD
CY2020Q2	hl	Smelter And Refining Charges SmelterAndRefiningCharges	18522000	USD
	hl	Smelter And Refining Charges SmelterAndRefiningCharges	26521000	USD
	hl	Smelter And Refining Charges SmelterAndRefiningCharges	33590000	USD
CY2021Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	217983000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	166355000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	428835000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	303280000	USD
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3116000	USD
CY2021Q2	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4587000	USD
CY2020Q2	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	589000	USD
	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4197000	USD
	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2024000	USD
CY2021Q2	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8704000	USD
CY2020Q2	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1277000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8633000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5140000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4842000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	626000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-208000	USD
CY2021Q2	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3036000	USD
CY2020Q2	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	253000	USD
	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5313000	USD
	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	985000	USD
CY2021Q2	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	826000	USD
CY2020Q2	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1650000	USD
	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3112000	USD
	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3719000	USD
CY2021Q2	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3862000	USD
CY2020Q2	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1903000	USD
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8425000	USD
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	4704000	USD
CY2021Q2	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4117000	USD
CY2020Q2	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1866000	USD
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4436000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-436000	USD
CY2021Q2	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-3400000	USD
	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-8600000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1455000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1334000	USD
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2910000	USD
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2668000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1248000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1404000	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2923515
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2496000	USD
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2808000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	2313000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1872000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	4626000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	3744000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	99000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	29000	USD
	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	198000	USD
	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	58000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-1125000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-1163000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-2250000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-2326000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1614000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	2058000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	3228000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	4116000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	785000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-14028000	USD
	us-gaap	Net Income Loss NetIncomeLoss	19756000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-31213000	USD
CY2021Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	138000	USD
CY2020Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	138000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	276000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	276000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	647000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-14166000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	19480000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-31489000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	535531000
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	525243000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	534819000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	524218000
CY2021Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	6731000
CY2020Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	6649000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	542262000
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	525243000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	541468000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	524218000
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2960950
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	1635675
CY2021Q2	hl	Incremental Common Shares Attributable To Dilutive Effect Of Deferred Shares IncrementalCommonSharesAttributableToDilutiveEffectOfDeferredShares	2134009
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	2084000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	16153000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	10705000	USD
CY2021Q2	us-gaap	Dividends Dividends	6000000.0	USD
CY2021Q1	hl	Average Realized Silver Price Per Ounce AverageRealizedSilverPricePerOunce	25.66
CY2021Q2	hl	Average Realized Silver Price Per Ounce AverageRealizedSilverPricePerOunce	27.14
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	1591935
	hl	Incremental Common Shares Attributable To Dilutive Effect Of Deferred Shares IncrementalCommonSharesAttributableToDilutiveEffectOfDeferredShares	2134009
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2800000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3300000	USD
CY2020Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1200000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2400000	USD
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	574251
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4500000	USD
CY2021Q2	hl	Shares Withheld For Tax Withholding Obligation Price Per Share SharesWithheldForTaxWithholdingObligationPricePerShare	7.88
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	1183773
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2700000	USD
CY2020Q2	hl	Shares Withheld For Tax Withholding Obligation Price Per Share SharesWithheldForTaxWithholdingObligationPricePerShare	2.32
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Next Rolling Twelve Months FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths	6793000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	3423000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Two FinanceLeaseLiabilityPaymentsDueInRollingYearTwo	4637000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	2619000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Three FinanceLeaseLiabilityPaymentsDueInRollingYearThree	3447000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	1514000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Four FinanceLeaseLiabilityPaymentsDueInRollingYearFour	1276000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	541000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Five FinanceLeaseLiabilityPaymentsDueInRollingYearFive	0	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	524000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling After Year Five FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive	0	USD
CY2021Q2	hl	Maximum Allocation Of Forecasted Cad Demonimated Operating Costs MaximumAllocationOfForecastedCADDemonimatedOperatingCosts	0.75	pure
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	11100000	USD
	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	2000000.0	USD
	us-gaap	Gain Loss On Components Excluded From Assessment Of Foreign Currency Cash Flow Hedge Effectiveness GainLossOnComponentsExcludedFromAssessmentOfForeignCurrencyCashFlowHedgeEffectiveness	0	USD
CY2021Q2	us-gaap	Contractual Obligation ContractualObligation	1400000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	16200000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	10700000	USD

Files In Submission

Name	View Source	Status
0001437749-21-018712-index-headers.html	Edgar Link	pending
0001437749-21-018712-index.html	Edgar Link	pending
0001437749-21-018712.txt	Edgar Link	pending
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$HL
HECLA MINING CO/DE/ Stock $hl

2021 Q2 Form 10-Q Financial Statement

#000143774921018712 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HL HECLA MINING CO/DE/ Stock $hl

2021 Q2 Form 10-Q Financial Statement

#000143774921018712 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HL
HECLA MINING CO/DE/ Stock $hl