Mining Properties (Tables)

12 Months Ended

Dec. 31, 2016

Mining Properties [Abstract]

Mining Properties

Mining properties consist of the following (in thousands):

December 31, 2016	Palmarejo			Rochester			Kensington			Wharf			San Bartolomé			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	174,890		$	165,230		$	271,175		$	37,485		$	39,184		$	—	$	—	$	—		$	687,964
Accumulated amortization	(134,995		)	(138,244		)	(154,744		)	(11,699		)	(32,192		)	—		—		—			(471,874		)
	39,895			26,986			116,431			25,786			6,992			—		—		—			216,090
Mineral interests	629,303			—			—			45,837			12,868			49,085		10,000		37,272			784,365
Accumulated amortization	(381,686		)	—			—			(19,249		)	(11,695		)	—		—		(29,370		)	(442,000		)
	247,617			—			—			26,588			1,173			49,085		10,000		7,902			342,365
Mining properties, net	$	287,512		$	26,986		$	116,431		$	52,374		$	8,165		$	49,085	$	10,000	$	7,902		$	558,455

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