Segment Reporting (Details) - USD ($) $ in Thousands		3 Months Ended								9 Months Ended
		Sep. 30, 2022		Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022		Sep. 30, 2021		Dec. 31, 2021
Financial information relating to reporting segments
Revenue		$ 182,993				$ 207,969				$ 575,520		$ 624,944
Amortization		29,151				30,962				83,549		92,872
Other operating expenses		18,971				19,249				59,120		67,720
Loss on debt extinguishment		0				0				0		(9,173)
Fair value adjustments, net, pretax		(13,067)				(26,440)				(65,272)		7,000
Interest expense, net of capitalized interest		(5,932)				(3,237)				(15,670)		(13,240)
Other, net	[1]	153				(26,718)				2,203		(22,390)
Income and mining tax (expense) benefit		(1,883)				(6,400)				(15,079)		(34,526)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(57,444)				(54,768)				(127,196)		(20,562)
Net income (loss)		(57,444)		$ (77,434)	$ 7,682	(54,768)		$ 32,146	$ 2,060	(127,196)		(20,562)
Assets, Net		1,627,675	[2]			1,327,344	[2]			1,627,675	[2]	1,327,344	[2]	$ 1,424,934
Capital expenditures		96,602				71,266				239,260		208,913
Palmarejo [Member]
Financial information relating to reporting segments
Amortization		8,027				8,747				27,150		26,077
Other operating expenses		812				855				2,485		3,578
Loss on debt extinguishment												0
Fair value adjustments, net, pretax		0				0				0		0
Interest expense, net of capitalized interest		26				(135)				(100)		(471)
Other, net	[1]	1,142				(26,868)				1,635		(27,904)
Income and mining tax (expense) benefit		(1,805)				(10,702)				(24,325)		(29,601)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		10,341				(14,453)				40,845		31,169
Assets, Net	[2]	294,438				285,277				294,438		285,277
Capital expenditures		10,844				8,506				34,515		28,284
Rochester [Member]
Financial information relating to reporting segments
Amortization		6,921				4,671				16,592		14,754
Other operating expenses		1,804				1,433				5,465		4,325
Loss on debt extinguishment												0
Fair value adjustments, net, pretax		0				0				0		0
Interest expense, net of capitalized interest		(225)				(149)				(606)		(851)
Other, net	[1]	(101)				(99)				(192)		(252)
Income and mining tax (expense) benefit		114				1,108				1,079		937
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(30,125)				(10,982)				(59,728)		(17,613)
Assets, Net	[2]	769,391				496,940				769,391		496,940
Capital expenditures		73,995				40,056				154,001		112,505
Kensington
Financial information relating to reporting segments
Amortization		10,369				12,786				28,360		38,941
Other operating expenses		425				515				1,348		5,783
Loss on debt extinguishment												0
Fair value adjustments, net, pretax		0				0				0		0
Interest expense, net of capitalized interest		(442)				(194)				(1,111)		(568)
Other, net	[1]	(62)				(62)				19		(104)
Income and mining tax (expense) benefit		0				(65)				127		(1,106)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(5,276)				1,002				(7,925)		8,384
Assets, Net	[2]	146,128				149,774				146,128		149,774
Capital expenditures		7,076				6,272				23,828		19,519
Wharf [Member]
Financial information relating to reporting segments
Amortization		2,191				3,158				6,500		8,627
Other operating expenses		482				539				1,521		1,249
Loss on debt extinguishment												0
Fair value adjustments, net, pretax		0				0				0		0
Interest expense, net of capitalized interest		(22)				(39)				(49)		(122)
Other, net	[1]	(167)				460				506		1,112
Income and mining tax (expense) benefit		(417)				(2,014)				(2,382)		(4,437)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		6,711				18,747				26,886		45,877
Assets, Net	[2]	90,542				73,019				90,542		73,019
Capital expenditures		458				1,045				2,294		3,928
Silvertip [Member]
Financial information relating to reporting segments
Amortization		1,260				1,258				3,778		3,529
Other operating expenses		4,966				6,090				16,550		18,609
Loss on debt extinguishment												0
Fair value adjustments, net, pretax		0				0				0		0
Interest expense, net of capitalized interest		(32)				396				(150)		622
Other, net	[1]	(85)				(124)				(320)		(463)
Income and mining tax (expense) benefit		0				0				0		0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(8,646)				(11,668)				(22,839)		(33,098)
Assets, Net	[2]	242,142				209,498				242,142		209,498
Capital expenditures		3,821				15,099				21,383		44,011
Other Mining Properties [Member]
Financial information relating to reporting segments
Amortization		383				342				1,169		944
Other operating expenses		10,482				9,817				31,751		34,176
Loss on debt extinguishment												(9,173)
Fair value adjustments, net, pretax		(13,067)				(26,440)				(65,272)		7,000
Interest expense, net of capitalized interest		(5,237)				(3,116)				(13,654)		(11,850)
Other, net	[1]	(574)				(25)				555		5,221
Income and mining tax (expense) benefit		225				5,273				10,422		(319)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(30,449)				(37,414)				(104,435)		(55,281)
Assets, Net	[2]	85,034				112,836				85,034		112,836
Capital expenditures		408				288				3,239		666
Gold [Member]
Financial information relating to reporting segments
Revenue		139,181				147,730				415,257		432,210
Gold [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		35,285				33,237				119,486		112,036
Gold [Member] | Rochester [Member]
Financial information relating to reporting segments
Revenue		16,162				9,923				42,413		36,389
Gold [Member] | Kensington
Financial information relating to reporting segments
Revenue		49,010				51,881				143,099		155,154
Gold [Member] | Wharf [Member]
Financial information relating to reporting segments
Revenue		38,724				52,689				110,259		128,631
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		43,812				60,239				160,263		192,734
Product, Silver | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		29,551				41,410				114,387		127,990
Product, Silver | Rochester [Member]
Financial information relating to reporting segments
Revenue		14,011				18,402				44,632		62,778
Product, Silver | Kensington
Financial information relating to reporting segments
Revenue		97				0				575		0
Product, Silver | Wharf [Member]
Financial information relating to reporting segments
Revenue		153				427				669		1,966
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		182,993				207,969				575,520		624,944
Product, Metal [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		64,836				74,647				233,873		240,026
Product, Metal [Member] | Rochester [Member]
Financial information relating to reporting segments
Revenue		30,173				28,325				87,045		99,167
Product, Metal [Member] | Kensington
Financial information relating to reporting segments
Revenue		49,107				51,881				143,674		155,154
Product, Metal [Member] | Wharf [Member]
Financial information relating to reporting segments
Revenue		38,877				53,116				110,928		130,597
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	[3]	163,180				134,340				447,126		375,082
Product | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	43,244				39,016				135,532		114,922
Product | Rochester [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	50,760				31,669				120,988		93,733
Product | Kensington
Financial information relating to reporting segments
Costs applicable to sales	[3]	40,289				34,576				116,510		95,173
Product | Wharf [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	28,887				29,079				74,096		71,254
Product | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	0				0				0		0
Product | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	0				0				0		0
Mineral, Exploration
Financial information relating to reporting segments
Costs applicable to sales		8,406				15,391				19,103		37,503
Mineral, Exploration | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		1,775				2,777				5,071		6,304
Mineral, Exploration | Rochester [Member]
Financial information relating to reporting segments
Costs applicable to sales		601				2,394				4,009		3,802
Mineral, Exploration | Kensington
Financial information relating to reporting segments
Costs applicable to sales		2,796				2,681				4,416		5,095
Mineral, Exploration | Wharf [Member]
Financial information relating to reporting segments
Costs applicable to sales		0				0				0		143
Mineral, Exploration | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		2,303				4,592				2,041		11,119
Mineral, Exploration | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		$ 931				$ 2,947				$ 3,566		$ 11,040

[1] See Note 14 -- Additional Comprehensive Income (Loss) Detail for additional detail

[2] Segment assets include receivables, prepaids, inventories, property, plant and equipment, and mineral interests

[3] Excludes amortization.