Mining Properties (Tables)

3 Months Ended

Mar. 31, 2016

Mining Properties [Abstract]

Mining Properties

Mining properties consist of the following (in thousands):

March 31, 2016	Palmarejo			Rochester			Kensington			Wharf			San Bartolomé			La Preciosa		Joaquin		Coeur Capital			Total
Mine development	$	156,257		$	150,648		$	245,433		$	32,509		$	39,523		$	—	$	—	$	—		$	624,370
Accumulated amortization	(131,770		)	(129,100		)	(136,757		)	(6,836		)	(30,788		)	—		—					(435,251		)
	24,487			21,548			108,676			25,673			8,735			—		—		—			189,119
Mineral interests	629,303			—			—			45,837			12,868			49,085		10,000		49,440			796,533
Accumulated amortization	(354,554		)	—			—			(12,002		)	(11,471		)	—		—		(33,521		)	(411,548		)
	274,749			—			—			33,835			1,397			49,085		10,000		15,919			384,985
Mining properties, net	$	299,236		$	21,548		$	108,676		$	59,508		$	10,132		$	49,085	$	10,000	$	15,919		$	574,104

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