XML 38 R40.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2015
$30 [Member] |
Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 30 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyDollarMember
Quarterly dividend per share | $ 0.01 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyDollarMember
Annual dividend per share | $ 0.04 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyDollarMember
$35 [Member] |
Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 35 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyFiveDollarMember
Quarterly dividend per share | $ 0.02 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyFiveDollarMember
Annual dividend per share | $ 0.08 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyFiveDollarMember
$40 [Member] |
Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 40 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyDollarMember
Quarterly dividend per share | $ 0.03 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyDollarMember
Annual dividend per share | $ 0.12 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyDollarMember
$45 [Member] |
Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 45 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyFiveDollarMember
Quarterly dividend per share | $ 0.04 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyFiveDollarMember
Annual dividend per share | $ 0.16 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyFiveDollarMember
$50 [Member] |
Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 50 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyDollarMember
Quarterly dividend per share | $ 0.05 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyDollarMember
Annual dividend per share | $ 0.20 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyDollarMember
$55 [Member] |
Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 55 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyFiveDollarMember
Quarterly dividend per share | $ 0.06 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyFiveDollarMember
Annual dividend per share | $ 0.24 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyFiveDollarMember
$60 [Member] |
Note 8 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 60 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_SixtyDollarMember
Quarterly dividend per share | $ 0.07 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_SixtyDollarMember
Annual dividend per share | $ 0.28 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_SixtyDollarMember

X
- Definition Amount of annual dividend per share. + References No definition available. + Details
Name: | hl_AnnualDividendPerShare
Namespace Prefix: | hl_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | hl_Note8ShareholdersEquityDetailsCommonStockDividendPolicyLineItems
Namespace Prefix: | hl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | hl_QuarterlyAverageRealizedSilverPrice
Namespace Prefix: | hl_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of quarterly dividend per share. + References No definition available. + Details
Name: | hl_QuarterlyDividendPerShare
Namespace Prefix: | hl_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | hl_QuarterlyAverageRealizedSilverPricePerOunceAxis=hl_FiftyDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | hl_QuarterlyAverageRealizedSilverPricePerOunceAxis=hl_FiftyFiveDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | hl_QuarterlyAverageRealizedSilverPricePerOunceAxis=hl_FortyDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | hl_QuarterlyAverageRealizedSilverPricePerOunceAxis=hl_FortyFiveDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | hl_QuarterlyAverageRealizedSilverPricePerOunceAxis=hl_SixtyDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | hl_QuarterlyAverageRealizedSilverPricePerOunceAxis=hl_ThirtyDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | hl_QuarterlyAverageRealizedSilverPricePerOunceAxis=hl_ThirtyFiveDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |