Segment Reporting (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022		Mar. 31, 2021	Dec. 31, 2021
Financial information relating to reporting segments
Revenue		$ 188,404		$ 202,117
Amortization		26,433		29,937
Other operating expenses		21,684		25,266
Loss on debt extinguishments		0		(9,173)
Fair value adjustments, net, pretax		10,605		(3,799)
Interest expense, net of capitalized interest		(4,568)		(4,910)
Other, net		1,737		3,627
Income and mining tax (expense) benefit		(1,694)		(12,786)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		7,682		2,060
Net income (loss)		7,682		2,060
Assets, Net		1,509,637		1,283,284	$ 1,424,934
Capital expenditures		69,502		59,424
Palmarejo [Member]
Financial information relating to reporting segments
Amortization		9,386		9,059
Other operating expenses		921		1,270
Loss on debt extinguishments				0
Fair value adjustments, net, pretax		0		0
Interest expense, net of capitalized interest		(115)		(187)
Other, net		(339)		(665)
Income and mining tax (expense) benefit		(12,075)		(11,340)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		15,402		22,143
Assets, Net		288,081		306,648
Capital expenditures		13,611		9,983
Rochester [Member]
Financial information relating to reporting segments
Amortization		4,710		3,577
Other operating expenses		1,831		1,448
Loss on debt extinguishments				0
Fair value adjustments, net, pretax		0		0
Interest expense, net of capitalized interest		(178)		(222)
Other, net		(48)		(61)
Income and mining tax (expense) benefit		(35)		(138)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(14,650)		2,806
Assets, Net		618,481		388,047
Capital expenditures		33,050		30,177
Kensington
Financial information relating to reporting segments
Amortization		8,622		13,445
Other operating expenses		615		2,995
Loss on debt extinguishments				0
Fair value adjustments, net, pretax		0		0
Interest expense, net of capitalized interest		(248)		(232)
Other, net		106		0
Income and mining tax (expense) benefit		0		(334)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(2,387)		4,957
Assets, Net		149,840		162,727
Capital expenditures		7,924		7,202
Wharf [Member]
Financial information relating to reporting segments
Amortization		2,061		2,475
Other operating expenses		512		185
Loss on debt extinguishments				0
Fair value adjustments, net, pretax		0		0
Interest expense, net of capitalized interest		(13)		(37)
Other, net		39		24
Income and mining tax (expense) benefit		(993)		(1,129)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		10,261		11,948
Assets, Net		91,527		79,018
Capital expenditures		1,361		1,481
Silvertip [Member]
Financial information relating to reporting segments
Amortization		1,259		1,086
Other operating expenses		6,494		6,555
Loss on debt extinguishments				0
Fair value adjustments, net, pretax		0		0
Interest expense, net of capitalized interest		(68)		45
Other, net		(5)		(102)
Income and mining tax (expense) benefit		0		0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(7,826)		(10,630)
Assets, Net		234,693		169,328
Capital expenditures		11,859		10,387
Other Mining Properties [Member]
Financial information relating to reporting segments
Amortization		395		295
Other operating expenses		11,311		12,813
Loss on debt extinguishments				(9,173)
Fair value adjustments, net, pretax		10,605		(3,799)
Interest expense, net of capitalized interest		(3,946)		(4,277)
Other, net		1,984		4,431
Income and mining tax (expense) benefit		11,409		155
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		6,882		(29,164)
Assets, Net		127,015		177,516
Capital expenditures		1,697		194
Gold [Member]
Financial information relating to reporting segments
Revenue		129,451		138,322
Gold [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		40,074		37,567
Gold [Member] | Rochester [Member]
Financial information relating to reporting segments
Revenue		11,052		12,440
Gold [Member] | Kensington
Financial information relating to reporting segments
Revenue		44,059		54,466
Gold [Member] | Wharf [Member]
Financial information relating to reporting segments
Revenue		34,266		33,849
Gold [Member] | Silvertip [Member]
Financial information relating to reporting segments
Revenue		0		0
Gold [Member] | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue		0		0
Product, Silver
Financial information relating to reporting segments
Revenue		58,953		63,795
Product, Silver | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		42,999		42,778
Product, Silver | Rochester [Member]
Financial information relating to reporting segments
Revenue		15,317		20,317
Product, Silver | Kensington
Financial information relating to reporting segments
Revenue		245		0
Product, Silver | Wharf [Member]
Financial information relating to reporting segments
Revenue		392		700
Product, Silver | Silvertip [Member]
Financial information relating to reporting segments
Revenue		0		0
Product, Silver | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue		0		0
Product, Metal [Member]
Financial information relating to reporting segments
Revenue		188,404		202,117
Product, Metal [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		83,073		80,345
Product, Metal [Member] | Rochester [Member]
Financial information relating to reporting segments
Revenue		26,369		32,757
Product, Metal [Member] | Kensington
Financial information relating to reporting segments
Revenue		44,304		54,466
Product, Metal [Member] | Wharf [Member]
Financial information relating to reporting segments
Revenue		34,658		34,549
Product, Metal [Member] | Silvertip [Member]
Financial information relating to reporting segments
Revenue		0		0
Product, Metal [Member] | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue		0		0
Product
Financial information relating to reporting segments
Costs applicable to sales	[1]	133,267		108,147
Product | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		43,225	[1]	33,988
Product | Rochester [Member]
Financial information relating to reporting segments
Costs applicable to sales		32,275	[1]	24,033
Product | Kensington
Financial information relating to reporting segments
Costs applicable to sales		36,910	[1]	31,394
Product | Wharf [Member]
Financial information relating to reporting segments
Costs applicable to sales		20,857	[1]	18,732
Product | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		0	[1]	0
Product | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		0	[1]	0
Mineral, Exploration
Financial information relating to reporting segments
Costs applicable to sales		5,418		9,666
Mineral, Exploration | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		1,610		1,693
Mineral, Exploration | Rochester [Member]
Financial information relating to reporting segments
Costs applicable to sales		1,942		472
Mineral, Exploration | Kensington
Financial information relating to reporting segments
Costs applicable to sales		402		1,109
Mineral, Exploration | Wharf [Member]
Financial information relating to reporting segments
Costs applicable to sales		0		67
Mineral, Exploration | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		0		2,932
Mineral, Exploration | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		$ 1,464		$ 3,393

[1] Excludes amortization.