Write-Downs (Tables)

12 Months Ended

Dec. 31, 2015

Impairment or Disposal of Tangible Assets Disclosure [Abstract]

Details of Impairment of Long-Lived Assets Held and Used by Asset

	Year ended December 31,
	2015		2014		2013
Mining properties
Palmarejo	$	205,803	$	668,803	$	539,359
San Bartolomé	16,690		32,328		—
Kensington	—		67,671		82,337
La Preciosa	—		371,411		—
Joaquin	—		83,429		—
Coeur Capital	22,118		6,202		—
Martha	—		—		205
	244,611		1,229,844		621,901
Property, plant, and equipment
Palmarejo	$	18,704	$	115,235	$	102,735
San Bartolomé	50,022		86,426		—
Kensington	—		40,161		48,357
La Preciosa	—		1,055		—
	68,726		242,877		151,092
Total	$	313,337	$	1,472,721	$	772,993