Mining Properties (Tables)

9 Months Ended

Sep. 30, 2016

Mining Properties [Abstract]

Mining Properties

Mining properties consist of the following (in thousands):

September 30, 2016	Palmarejo			Rochester			Kensington			Wharf			San Bartolomé			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	169,892		$	154,997		$	259,468		$	33,344		$	39,685		$	—	$	—	$	—		$	657,386
Accumulated amortization	(133,685		)	(134,429		)	(147,932		)	(11,001		)	(31,793		)	—		—		—			(458,840		)
	36,207			20,568			111,536			22,343			7,892			—		—		—			198,546
Mineral interests	629,303			—			—			45,837			12,868			49,085		10,000		37,272			784,365
Accumulated amortization	(371,589		)	—			—			(18,335		)	(11,632		)	—		—		(29,301		)	(430,857		)
	257,714			—			—			27,502			1,236			49,085		10,000		7,971			353,508
Mining properties, net	$	293,921		$	20,568		$	111,536		$	49,845		$	9,128		$	49,085	$	10,000	$	7,971		$	552,054

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