Mining Properties (Tables)

6 Months Ended

Jun. 30, 2016

Mining Properties [Abstract]

Mining Properties

Mining properties consist of the following (in thousands):

June 30, 2016	Palmarejo			Rochester			Kensington			Wharf			San Bartolomé			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	161,865		$	153,091		$	251,847		$	33,122		$	39,531		$	—	$	—	$	—		$	639,456
Accumulated amortization	(135,122		)	(132,307		)	(143,840		)	(8,717		)	(31,313		)	—		—					(451,299		)
	26,743			20,784			108,007			24,405			8,218			—		—		—			188,157
Mineral interests	629,303			—			—			45,837			12,868			49,085		10,000		37,272			784,365
Accumulated amortization	(364,403		)	—			—			(15,384		)	(11,556		)	—		—		(29,144		)	(420,487		)
	264,900			—			—			30,453			1,312			49,085		10,000		8,128			363,878
Mining properties, net	$	291,643		$	20,784		$	108,007		$	54,858		$	9,530		$	49,085	$	10,000	$	8,128		$	552,035

December 31, 2015	Palmarejo			Rochester			Kensington			Wharf			San Bartolomé			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	151,828		$	149,756		$	238,786		$	32,318		$	39,474		$	—	$	—	$	—		$	612,162
Accumulated amortization	(131,055		)	(126,242		)	(131,236		)	(5,784		)	(30,325		)	—		—		—			(424,642		)
	20,773			23,514			107,550			26,534			9,149			—		—		—			187,520
Mineral interests	629,303			—			—			45,837			12,868			49,085		10,000		59,343			806,436
Accumulated amortization	(348,268		)	—			—			(10,551		)	(11,400		)	—		—		(34,518		)	(404,737		)
	281,035			—			—			35,286			1,468			49,085		10,000		24,825			401,699
Mining properties, net	$	301,808		$	23,514		$	107,550		$	61,820		$	10,617		$	49,085	$	10,000	$	24,825		$	589,219