Segment Reporting (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Financial information relating to reporting segments
Revenue		$ 204,123		$ 214,858		$ 392,527	$ 416,975
Amortization		27,965		31,973		54,398	61,910
Other operating expenses		18,465		23,205		40,149	48,471
Loss on debt extinguishments		0		0		0	(9,173)
Fair value adjustments, net, pretax		(62,810)		37,239		(52,205)	33,440
Interest expense, net of capitalized interest		(5,170)		(5,093)		(9,738)	(10,003)
Other, net		313		701		2,050	4,328
Income and mining tax (expense) benefit		(11,502)		(15,340)		(13,196)	(28,126)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(77,434)		32,146		(69,752)	34,206
Net income (loss)		(77,434)	$ 7,682	32,146	$ 2,060	(69,752)	34,206
Assets, Net		1,624,009		1,339,442		1,624,009	1,339,442	$ 1,424,934
Capital expenditures		73,156		78,223		142,658	137,647
Palmarejo [Member]
Financial information relating to reporting segments
Amortization		9,737		8,271		19,123	17,330
Other operating expenses		752		1,453		1,673	2,723
Loss on debt extinguishments							0
Fair value adjustments, net, pretax		0		0		0	0
Interest expense, net of capitalized interest		(11)		(149)		(126)	(336)
Other, net		832		(371)		493	(1,036)
Income and mining tax (expense) benefit		(10,445)		(7,559)		(22,520)	(18,899)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		15,102		23,479		30,504	45,622
Assets, Net		292,246		307,287		292,246	307,287
Capital expenditures		10,060		9,795		23,671	19,778
Rochester [Member]
Financial information relating to reporting segments
Amortization		4,961		6,506		9,671	10,083
Other operating expenses		1,830		1,444		3,661	2,892
Loss on debt extinguishments							0
Fair value adjustments, net, pretax		0		0		0	0
Interest expense, net of capitalized interest		(203)		(480)		(381)	(702)
Other, net		(43)		(92)		(91)	(153)
Income and mining tax (expense) benefit		1,000		(33)		965	(171)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(14,953)		(9,437)		(29,603)	(6,631)
Assets, Net		689,215		435,257		689,215	435,257
Capital expenditures		46,956		42,272		80,006	72,449
Kensington
Financial information relating to reporting segments
Amortization		9,369		12,710		17,991	26,155
Other operating expenses		308		2,273		923	5,268
Loss on debt extinguishments							0
Fair value adjustments, net, pretax		0		0		0	0
Interest expense, net of capitalized interest		(421)		(142)		(669)	(374)
Other, net		(25)		(42)		81	(42)
Income and mining tax (expense) benefit		127		(707)		127	(1,041)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(262)		2,425		(2,649)	7,382
Assets, Net		149,365		158,456		149,365	158,456
Capital expenditures		8,828		6,045		16,752	13,247
Wharf [Member]
Financial information relating to reporting segments
Amortization		2,248		2,994		4,309	5,469
Other operating expenses		527		525		1,039	710
Loss on debt extinguishments							0
Fair value adjustments, net, pretax		0		0		0	0
Interest expense, net of capitalized interest		(14)		(46)		(27)	(83)
Other, net		634		628		673	652
Income and mining tax (expense) benefit		(972)		(1,294)		(1,965)	(2,423)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		9,914		15,182		20,175	27,130
Assets, Net		90,645		77,436		90,645	77,436
Capital expenditures		475		1,402		1,836	2,883
Silvertip [Member]
Financial information relating to reporting segments
Amortization		1,259		1,185		2,518	2,271
Other operating expenses		5,090		5,964		11,584	12,519
Loss on debt extinguishments							0
Fair value adjustments, net, pretax		0		0		0	0
Interest expense, net of capitalized interest		(50)		181		(118)	226
Other, net		(230)		(237)		(235)	(339)
Income and mining tax (expense) benefit		0		0		0	0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(6,367)		(10,800)		(14,193)	(21,430)
Assets, Net		239,348		189,489		239,348	189,489
Capital expenditures		5,703		18,525		17,562	28,912
Other Mining Properties [Member]
Financial information relating to reporting segments
Amortization		391		307		786	602
Other operating expenses		9,958		11,546		21,269	24,359
Loss on debt extinguishments							(9,173)
Fair value adjustments, net, pretax		(62,810)		37,239		(52,205)	33,440
Interest expense, net of capitalized interest		(4,471)		(4,457)		(8,417)	(8,734)
Other, net		(855)		815		1,129	5,246
Income and mining tax (expense) benefit		(1,212)		(5,747)		10,197	(5,592)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(80,868)		11,297		(73,986)	(17,867)
Assets, Net		163,190		171,517		163,190	171,517
Capital expenditures		1,134		184		2,831	378
Gold [Member]
Financial information relating to reporting segments
Revenue		146,625		146,158		276,076	284,480
Gold [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		44,127		41,232		84,201	78,799
Gold [Member] | Rochester [Member]
Financial information relating to reporting segments
Revenue		15,199		14,026		26,251	26,466
Gold [Member] | Kensington
Financial information relating to reporting segments
Revenue		50,030		48,807		94,089	103,273
Gold [Member] | Wharf [Member]
Financial information relating to reporting segments
Revenue		37,269		42,093		71,535	75,942
Gold [Member] | Silvertip [Member]
Financial information relating to reporting segments
Revenue		0		0		0	0
Gold [Member] | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue		0		0		0	0
Product, Silver
Financial information relating to reporting segments
Revenue		57,498		68,700		116,451	132,495
Product, Silver | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		41,837		43,802		84,836	86,580
Product, Silver | Rochester [Member]
Financial information relating to reporting segments
Revenue		15,304		24,059		30,621	44,376
Product, Silver | Kensington
Financial information relating to reporting segments
Revenue		233		0		478	0
Product, Silver | Wharf [Member]
Financial information relating to reporting segments
Revenue		124		839		516	1,539
Product, Silver | Silvertip [Member]
Financial information relating to reporting segments
Revenue		0		0		0	0
Product, Silver | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue		0		0		0	0
Product, Metal [Member]
Financial information relating to reporting segments
Revenue		204,123		214,858		392,527	416,975
Product, Metal [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		85,964		85,034		169,037	165,379
Product, Metal [Member] | Rochester [Member]
Financial information relating to reporting segments
Revenue		30,503		38,085		56,872	70,842
Product, Metal [Member] | Kensington
Financial information relating to reporting segments
Revenue		50,263		48,807		94,567	103,273
Product, Metal [Member] | Wharf [Member]
Financial information relating to reporting segments
Revenue		37,393		42,932		72,051	77,481
Product, Metal [Member] | Silvertip [Member]
Financial information relating to reporting segments
Revenue		0		0		0	0
Product, Metal [Member] | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue		0		0		0	0
Product
Financial information relating to reporting segments
Costs applicable to sales	[1]	150,679		132,595		283,946	240,742
Product | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales	[1]	49,063		41,918		92,288	75,906
Product | Rochester [Member]
Financial information relating to reporting segments
Costs applicable to sales	[1]	37,953		38,031		70,228	62,064
Product | Kensington
Financial information relating to reporting segments
Costs applicable to sales	[1]	39,311		29,203		76,221	60,597
Product | Wharf [Member]
Financial information relating to reporting segments
Costs applicable to sales	[1]	24,352		23,443		45,209	42,175
Product | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales	[1]	0		0		0	0
Product | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales	[1]	0		0		0	0
Mineral, Exploration
Financial information relating to reporting segments
Costs applicable to sales		5,279		12,446		10,697	22,112
Mineral, Exploration | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		1,686		1,834		3,296	3,527
Mineral, Exploration | Rochester [Member]
Financial information relating to reporting segments
Costs applicable to sales		1,466		936		3,408	1,408
Mineral, Exploration | Kensington
Financial information relating to reporting segments
Costs applicable to sales		1,218		1,305		1,620	2,414
Mineral, Exploration | Wharf [Member]
Financial information relating to reporting segments
Costs applicable to sales		0		76		0	143
Mineral, Exploration | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		(262)		3,595		(262)	6,527
Mineral, Exploration | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		$ 1,171		$ 4,700		$ 2,635	$ 8,093

[1] Excludes amortization.