Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2012

Segment Reporting [Abstract]

Financial information relating to the reporting segments

Financial information relating to the Company’s segments is as follows (in thousands):

Year ended December 31, 2012	Palmarejo Mine			San Bartolomé Mine			Kensington Mine			Rochester Mine			Martha Mine			Endeavor Mine			Other			Total
Sales of metals	$	442,098		$	178,005		$	110,987		$	132,392		$	13,162		$	18,848		$	—		$	895,492
Productions costs applicable to sales	(197,478		)	(71,428		)	(87,089		)	(74,256		)	(17,682		)	(8,824		)	—			(456,757		)
Depreciation and depletion	(146,595		)	(16,709		)	(41,645		)	(8,065		)	(692		)	(4,591		)	(560		)	(218,857		)
Gross profit (loss)	98,025			89,868			(17,747		)	50,071			(5,212		)	5,433			(560		)	219,878
Exploration expense	7,575			159			3,283			3,591			8,648			—			3,014			26,270
Loss on impairment	—			—			—			—			5,825			—			—			5,825
Other operating expenses	11			80			74			1,401			2,108			—			30,564			34,238
OPERATING INCOME (LOSS)	90,439			89,629			(21,104		)	45,079			(21,793		)	5,433			(34,138		)	153,545
Interest and other income, net	4,017			9,719			(77		)	358			(1,153		)	—			1,572			14,436
Interest expense, net	(18,938		)	(72		)	(2,972		)	(26		)	(3		)	—			(4,158		)	(26,169		)
Loss on debt extinguishment	—			—			(1,036		)	—			—			—			—			(1,036		)
Fair value adjustments, net	(31,054		)	—			4,089			—			—			—			3,478			(23,487		)
Income tax expense	(18,066		)	(44,632		)	—			—			976			409			(7,299		)	(68,612		)
Net income (loss)	$	26,398		$	54,644		$	(21,100	)	$	45,411		$	(21,973	)	$	5,842		$	(40,545	)	$	48,677
Segment assets (A)	$	1,905,269		$	302,922		$	508,658		$	104,373		$	9,813		$	31,479		$	111,542		$	2,974,056
Capital expenditures (B)	$	38,456		$	25,672		$	36,994		$	11,794		$	1,193		$	—		$	1,532		$	115,641

Year ended December 31, 2011	Palmarejo Mine			San Bartolomé Mine			Kensington Mine			Rochester Mine			Martha Mine			Endeavor Mine			Other			Total
Sales of metals	$	513,097		$	267,502		$	151,186		$	57,331		$	13,347		$	18,737		$	—		$	1,021,200
Productions costs applicable to sales	(186,201		)	(79,679		)	(101,672		)	(28,257		)	(15,513		)	(8,634		)	—			(419,956		)
Depreciation and depletion	(159,264		)	(22,410		)	(35,839		)	(2,824		)	(556		)	(3,148		)	(459		)	(224,500		)
Gross profit (loss)	167,632			165,413			13,675			26,250			(2,722		)	6,955			(459		)	376,744
Exploration expense	6,863			248			1,102			1,989			6,367			—			2,559			19,128
Other operating expenses	949			342			317			19,931			156			(1		)	29,126			50,820
OPERATING INCOME (LOSS)	159,820			164,823			12,256			4,330			(9,245		)	6,956			(32,144		)	306,796
Interest and other income, net	(9,099		)	156			4			57			(544		)	—			2,816			(6,610		)
Interest expense, net	(23,453		)	(45		)	(4,889		)	(21		)	(458		)	—			(5,908		)	(34,774		)
Loss on debt extinguishment	—			—			—			—			—			—			(5,526		)	(5,526		)
Fair value adjustments, net	(40,046		)	—			(8,438		)	—			—			—			(3,566		)	(52,050		)
Income tax expense	(28,023		)	(59,867		)	(31		)	—			(1,219		)	—			(25,197		)	(114,337		)
Net income (loss)	$	59,199		$	105,067		$	(1,098	)	$	4,366		$	(11,466	)	$	6,956		$	(69,525	)	$	93,499
Segment assets (A)	$	2,029,769		$	276,423		$	507,891		$	76,852		$	19,717		$	35,686		$	16,792		$	2,963,130
Capital expenditures (B)	$	36,976		$	17,731		$	34,013		$	27,217		$	3,426		$	—		$	625		$	119,988

(A) Segment assets consist of receivables, prepaids, inventories, property, plant and equipment, and mining properties

(B) Balance represents cash flow amounts 

Year ended December 31, 2010	Palmarejo Mine			San Bartolomé Mine			Kensington Mine			Rochester Mine			Martha Mine			Endeavor Mine			Other			Total
Sales of metals	$	230,024		$	142,989		$	23,628		$	54,323		$	53,875		$	10,618		$	—		$	515,457
Productions costs applicable to sales	(127,658		)	(60,023		)	(14,043		)	(24,760		)	(27,040		)	(4,112		)	—			(257,636		)
Depreciation and depletion	(91,505		)	(19,650		)	(17,487		)	(1,890		)	(8,525		)	(1,989		)	(573		)	(141,619		)
Gross profit (loss)	10,861			63,316			(7,902		)	27,673			18,310			4,517			(573		)	116,202
Exploration expense	4,658			9			659			190			5,791			—			2,942			14,249
Other operating expenses	352			—			170			1,544			—			—			24,987			27,053
OPERATING INCOME (LOSS)	5,851			63,307			(8,731		)	25,939			12,519			4,517			(28,502		)	74,900
Interest and other income, net	914			(373		)	(26		)	681			(3,974		)	—			3,549			771
Interest expense, net	(21,567		)	(325		)	(1,591		)	—			(90		)	—			(7,369		)	(30,942		)
Loss on debt extinguishment	—			—			—			—			—			—			(20,300		)	(20,300		)
Fair value adjustments, net	(98,707		)	—			(13,783		)	—			—			—			(4,604		)	(117,094		)
Income tax expense	16,901			(21,655		)	(8		)	—			(8,523		)	—			22,766			9,481
Income (loss) from continuting operations	(96,608		)	40,954			(24,139		)	26,620			(68		)	4,517			(34,460		)	$	(83,184	)
Loss from discontinued operations	—			—			—			—			—			—			(6,029		)	$	(6,029	)
Loss on sale of net assets of discontinued operations	—			—			—			—			—			—			(2,095		)	$	(2,095	)
Net income (loss)	$	(96,608	)	$	40,954		$	(24,139	)	$	26,620		$	(68	)	$	4,517		$	(42,584	)	$	(91,308	)
Segment assets (A)	$	2,119,367		$	260,653		$	512,401		$	29,734		$	21,290		$	39,530		$	17,414		$	3,000,389
Capital expenditures (B)	$	54,226		$	6,159		$	92,730		$	2,349		$	100		$	—		$	430		$	155,994

Consolidated Assets

	2012		2011		2010
Assets
Total assets for reportable segments	$	2,974,056	$	2,963,130	$	3,000,389
Cash and cash equivalents	125,440		175,012		66,118
Short term investments	999		20,254		—
Other assets	120,906		106,045		91,020
Total consolidated assets	$	3,221,401	$	3,264,441	$	3,157,527

Long Lived Assets by Country

Geographic Information

	As of December 31,
	2012		2011		2010
Long Lived Assets:
United States	$	608,051	$	515,096	$	488,104
Australia	29,408		33,999		37,147
Chile	65		65		14
Argentina	1,705		5,213		1,882
Bolivia	240,905		230,956		234,306
Mexico	1,795,677		1,903,374		2,028,864
Total	$	2,675,811	$	2,688,703	$	2,790,317

Revenue by Country

	Twelve months ended December 31,
	2012		2011		2010
Revenues:
United States	$	243,379	$	208,517	$	77,951
Mexico	442,098		513,097		230,025
Bolivia	178,005		267,502		142,988
Australia	18,848		18,737		10,618
Argentina	13,162		13,347		53,875
Total	$	895,492	$	1,021,200	$	515,457