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Note 8 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

		Pension Benefits
		2013				2012
Change in benefit obligation:
Benefit obligation at beginning of year		$	99,367			$	87,895
Service cost			4,025				3,974
Interest cost			3,889				4,069
Participants' contributions			—				29
Amendments			(4,208	)			—
Actuarial loss			2,428				7,450
Benefits paid			(4,346	)			(4,050	)
Benefit obligation at end of year			101,155				99,367
Change in fair value of plan assets:
Fair value of plan assets at beginning of year			68,515				65,082
Actual return (loss) on plan assets			3,479				6,007
Employer contributions			1,403				1,447
Participants' contributions			—				29
Benefits paid			(4,346	)			(4,050	)
Fair value of plan assets at end of year			69,051				68,515
Funded status at end of year		$	(32,104	)		$	(30,852	)

Pension Benefits Recognized Balance Sheet Location [Table Text Block]

		Pension Benefits
		2013				2012
Current liabilities:
Accrued benefit liability		$	(342	)		$	(322	)
Other non- current liabilities:
Accrued benefit liability			(31,763	)			(30,530	)
Accumulated other comprehensive loss			29,768				33,545
Net amount recognized		$	(2,337	)		$	2,693

Schedule of Assumptions Used [Table Text Block]

		Pension Benefits
		2013				2012
Discount rate: net periodic pension cost			4.00	%			4.75	%
Discount rate: projected benefit obligation			4.81	%			4.00	%
Expected rate of return on plan assets			7.20	%			7.20	%
Rate of compensation increase			4.00	%			4.00	%

Schedule of Net Benefit Costs [Table Text Block]

		Pension Benefits
		2013				2012				2011
Service cost		$	4,025			$	3,974			$	3,877
Interest cost			3,889				4,068				4,114
Expected return on plan assets			(4,741	)			(4,581	)			(5,481	)
Amortization of prior service cost			66				401				403
Amortization of net gain (loss) from earlier periods			3,152				2,826				880
Net periodic pension cost		$	6,391			$	6,688			$	3,793

Schedule of Allocation of Plan Assets [Table Text Block]

		Hecla								Lucky Friday
		2013				2012				2013				2012
Cash			1	%			1	%			1	%			2	%
Large cap U.S. equities			9	%			11	%			9	%			12	%
Small cap U.S. equities			6	%			4	%			6	%			6	%
Non-U.S. equities			9	%			10	%			9	%			10	%
Fixed income			32	%			33	%			32	%			30	%
Real estate			20	%			18	%			20	%			19	%
Absolute return hedge funds			15	%			13	%			15	%			14	%
Real return			8	%			10	%			8	%			7	%
Total			100	%			100	%			100	%			100	%

Investment Policy Allocation [Table Text Block]

		Target				Minimum				Maximum
Large cap U.S. equities			10	%			7	%			13	%
Small cap U.S. equities			5	%			4	%			6	%
Non-U.S. equities			10	%			8	%			12	%
Fixed income			35	%			29	%			43	%
Real estate			15	%			12	%			18	%
Absolute return hedge funds			15	%			12	%			18	%
Real return			10	%			8	%			12	%

Fair Value Of Plan Assets By Category [Table Text Block]

		Hecla																Lucky Friday
		Level 1				Level 2				Level 3				Total				Level 1				Level 2				Level 3				Total
Interest-bearing cash		$	596			$	—			$	—			$	596			$	393			$	—			$	—			$	393
Common stock			1,220				—				—				1,220				311				—				—				311
Real estate			—				—				10,797				10,797				—				—				2,865				2,865
Common collective funds			—				9,654				7,970				17,624				—				2,982				2,174				5,156
Mutual funds			23,252				—				—				23,252				6,837				—				—				6,837
Total fair value		$	25,068			$	9,654			$	18,767			$	53,489			$	7,541			$	2,982			$	5,039			$	15,562

		Hecla																Lucky Friday
		Level 1				Level 2				Level 3				Total				Level 1				Level 2				Level 3				Total
Interest-bearing cash		$	683			$	—			$	—			$	683			$	198			$	—			$	—			$	198
Common stock			2,309				—				—				2,309				588				—				—				588
Real estate			—				—				9,611				9,611				—				—				2,513				2,513
Common collective funds			—				10,095				7,251				17,346				—				2,469				1,978				4,447
Mutual funds			24,183				—				—				24,183				6,637				—				—				6,637
Total fair value		$	27,175			$	10,095			$	16,862			$	54,132			$	7,423			$	2,469			$	4,491			$	14,383

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

		Hecla				Lucky Friday
Beginning balance at January 1, 2013		$	16,862			$	4,491
Net unrealized gains on assets held at the reporting date			1,486				399
Purchases			419				149
Ending balance at December 31, 2013		$	18,767			$	5,039

		Hecla				Lucky Friday
Beginning balance at December 31, 2011		$	13,300			$	3,566
Net unrealized gains on assets held at the reporting date			838				187
Purchases			2,724				738
Ending balance at December 31, 2012		$	16,862			$	4,491

Schedule of Expected Benefit Payments [Table Text Block]

Year Ending December 31,		Pension Plans
2014		$	5,040
2015			5,215
2016			5,454
2017			5,758
2018			6,201
Years 2019-2023			36,384

Schedule of Net Funded Status [Table Text Block]

		December 31, 2013								December 31, 2012
		ABO Exceeds Plan Assets				Plan Assets Exceed ABO				ABO Exceeds Plan Assets				Plan Assets Exceed ABO
Projected benefit obligation		$	101,155			$	—			$	99,367			$	—
Accumulated benefit obligation			97,937				—				92,590				—
Fair value of plan assets			69,051				—				68,515				—

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

		Pension Benefits
Unamortized net (gain)/loss		$	32,065
Unamortized prior service cost			(2,255	)

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block]

		Pension Benefits
Amortization of net (gain)/loss		$	2,724
Amortization of prior service cost			352

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