Mining Properties (Tables)

6 Months Ended

Jun. 30, 2015

Mining Properties [Abstract]

Mining Properties

Mining properties consist of the following (in thousands):

June 30, 2015	Palmarejo			San Bartolomé			Kensington			Rochester			Wharf			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	154,514		$	49,419		$	224,586		$	155,269		$	32,056		$	—	$	—	$	—		$	615,844
Accumulated amortization	(127,458		)	(28,592		)	(118,415		)	(120,031		)	(1,571		)	—		—					(396,067		)
	27,056			20,827			106,171			35,238			30,485			—		—		—			219,777
Mineral interests	821,913			17,560			—			—			49,601			49,085		10,000		81,461			1,029,620
Accumulated amortization	(340,433		)	(10,762		)	—			—			(3,097		)	—		—		(30,221		)	(384,513		)
	481,480			6,798			—			—			46,504			49,085		10,000		51,240			645,107
Mining properties, net	$	508,536		$	27,625		$	106,171		$	35,238		$	76,989		$	49,085	$	10,000	$	51,240		$	864,884

December 31, 2014	Palmarejo			San Bartolomé			Kensington			Rochester			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	137,821		$	49,305		$	217,138		$	153,535		$	—	$	—	$	—		$	557,799
Accumulated amortization	(121,906		)	(26,106		)	(106,865		)	(113,533		)	—		—		—			(368,410		)
	15,915			23,199			110,273			40,002			—		—		—			189,389
Mineral interests	521,349			17,560			—			—			49,059		10,000		81,461			679,429
Accumulated amortization	(332,032		)	(10,143		)	—			—			—		—		(25,451		)	(367,626		)
	189,317			7,417			—			—			49,059		10,000		56,010			311,803
Mining properties, net	$	205,232		$	30,616		$	110,273		$	40,002		$	49,059	$	10,000	$	56,010		$	501,192