Mining Properties

12 Months Ended

Dec. 31, 2019

Mining Properties [Abstract]

MINING PROPERTIES

MINING PROPERTIES

Mining properties consist of the following (in thousands):

December 31, 2019	Palmarejo			Rochester			Silvertip			Kensington			Wharf			Sterling			La Preciosa		Other			Total
Mine development	$	260,838		$	220,127		$	50,146		$	345,026		$	34,165		$	3,651		$	—	$	—		$	913,953
Accumulated amortization	(179,894		)	(155,079		)	(9,623		)	(230,869		)	(20,071		)	(678		)	—		—			(596,214		)
	80,944			65,048			40,523			114,157			14,094			2,973			—		—			317,739
Mineral interests	629,303			18,541			105,736						45,837			95,499			49,085		5,171			949,172
Accumulated amortization	(501,039		)				(24,147		)				(29,051		)	—			—		(719		)	(554,956		)
	128,264			18,541			81,589			—			16,786			95,499			49,085		4,452			394,216
Mining properties, net	$	209,208		$	83,589		$	122,112		$	114,157		$	30,880		$	98,472		$	49,085	$	4,452		$	711,955

December 31, 2018	Palmarejo			Rochester			Silvertip			Kensington			Wharf			Sterling			La Preciosa		Other			Total
Mine development	$	239,780		$	200,126		$	101,933		$	324,414		$	41,761		$	4,070		$	—	$	—		$	912,084
Accumulated amortization	(163,414		)	(151,141		)	(1,411		)	(198,456		)	(18,759		)	(14		)	—		—			(533,195		)
	76,366			48,985			100,522			125,958			23,002			4,056			—		—			378,889
Mineral interests	629,303			18,521			252,899			—			45,837			95,499			49,085		5,171			1,096,315
Accumulated amortization	(472,448		)	—			(4,105		)	—			(26,667		)	—			—		(417		)	(503,637		)
	156,855			18,521			248,794			—			19,170			95,499			49,085		4,754			592,678
Mining properties, net	$	233,221		$	67,506		$	349,316		$	125,958		$	42,172		$	99,555		$	49,085	$	4,754		$	971,567