Mining Properties (Tables)

6 Months Ended

Jun. 30, 2014

Mining Properties [Abstract]

Mining Properties

Mining properties consist of the following (in thousands):

June 30, 2014	Palmarejo			San Bartolomé			Kensington			Rochester			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	158,631		$	70,764		$	275,660		$	152,443		$	—	$	—	$	—		$	657,498
Accumulated amortization	(116,097		)	(24,091		)	(92,162		)	(108,109		)	—		—		—			(340,459		)
	42,534			46,673			183,498			44,334			—		—		—			317,039
Mineral interests	1,146,572			26,643			—			—			408,352		93,429		85,838			1,760,834
Accumulated amortization	(318,214		)	(9,434		)	—			—			—		—		(21,558		)	(349,206		)
	828,358			17,209			—			—			408,352		93,429		64,280			1,411,628
Mining properties, net	$	870,892		$	63,882		$	183,498		$	44,334		$	408,352	$	93,429	$	64,280		$	1,728,667

December 31, 2013	Palmarejo			San Bartolomé			Kensington			Rochester			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	151,845		$	70,761		$	268,351		$	150,348		$	—	$	—	$	—		$	641,305
Accumulated amortization	(110,143		)	(22,236		)	(80,032		)	(103,130		)	—		—		—			(315,541		)
	41,702			48,525			188,319			47,218			—		—		—			325,764
Mineral interests	1,146,572			26,643			—			—			408,352		93,429		78,133			1,753,129
Accumulated amortization	(300,187		)	(8,759		)	—			—			—		—		(18,446		)	(327,392		)
	846,385			17,884			—			—			408,352		93,429		59,687			1,425,737
Mining properties, net	$	888,087		$	66,409		$	188,319		$	47,218		$	408,352	$	93,429	$	59,687		$	1,751,501