Write-Downs (Tables)

12 Months Ended

Dec. 31, 2016

Impairment or Disposal of Tangible Assets Disclosure [Abstract]

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

	Year ended December 31,
	2016		2015		2014
Mining properties
Palmarejo	$	—	$	205,803	$	668,803
San Bartolomé	—		16,690		32,328
Kensington	—		—		67,671
La Preciosa	—		—		371,411
Joaquin	—		—		83,429
Coeur Capital	4,446		22,118		6,202
	4,446		244,611		1,229,844
Property, plant, and equipment
Palmarejo	$	—	$	18,704	$	115,235
San Bartolomé	—		50,022		86,426
Kensington	—		—		40,161
La Preciosa	—		—		1,055
	—		68,726		242,877
Total	$	4,446	$	313,337	$	1,472,721