Segment Reporting (Details) - USD ($) $ in Thousands		3 Months Ended						9 Months Ended
		Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024		Sep. 30, 2023		Dec. 31, 2023
Financial information relating to reporting segments
Revenue		$ 313,476			$ 194,583			$ 748,562		$ 559,116
Amortization		33,216			22,884			88,441		65,187
Other operating expenses		19,549			18,212			72,012		61,334
Fair value adjustments, net, pretax		0			(2,010)			0		4,629
Interest expense, net of capitalized interest		(13,280)			(7,402)			(39,389)		(21,703)
Other, net		3,434			478			11,329		(10,090)	[1]
Income and mining tax (expense) benefit		(25,817)			(6,097)			(49,030)		(26,671)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		48,739			(21,110)			21,048		(78,108)
Net income (loss)		48,739	$ 1,426	$ (29,117)	(21,109)	$ (32,412)	$ (24,586)	21,048		(78,107)
Assets, Net	[2]	2,083,269			1,935,150			2,083,269		1,935,150		$ 1,943,037
Capital expenditures		41,980			112,273			135,468		271,902
Gain on debt extinguishment		0			774			417		3,735
Palmarejo [Member]
Financial information relating to reporting segments
Amortization		11,984			9,024			35,429		25,760
Other operating expenses		2,650			2,611			7,350		6,370
Fair value adjustments, net, pretax		0			0			0		0
Interest expense, net of capitalized interest		(30)			241			341		541
Other, net		1,256			1,407			4,683	[1]	4,291	[1]
Income and mining tax (expense) benefit		(18,919)			(4,539)			(37,913)		(20,461)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		26,292			12,543			54,991		35,562
Assets, Net	[2]	320,271			313,569			320,271		313,569
Capital expenditures		8,048			10,780			20,680		32,844
Gain on debt extinguishment		0			0			0		0
Rochester
Financial information relating to reporting segments
Amortization		10,231			4,176			25,434		13,043
Other operating expenses		2,459			2,188			11,035		6,613
Fair value adjustments, net, pretax		0			0			0		0
Interest expense, net of capitalized interest		(1,113)			(555)			(3,508)		(1,017)
Other, net		(140)			(48)			(256)	[1]	(188)	[1]
Income and mining tax (expense) benefit		(283)			220			623		596
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		1,302			(13,934)			(16,551)		(34,046)
Assets, Net	[2]	1,180,633			1,070,307			1,180,633		1,070,307
Capital expenditures		10,121			84,368			58,894		197,788
Gain on debt extinguishment		0			0			0		0
Kensington
Financial information relating to reporting segments
Amortization		7,612			6,894			19,653		17,539
Other operating expenses		636			900			9,391		2,844
Fair value adjustments, net, pretax		0			0			0		0
Interest expense, net of capitalized interest		(245)			(583)			(1,215)		(1,438)
Other, net		(80)			(85)			(243)	[1]	(236)	[1]
Income and mining tax (expense) benefit		0			0			0		0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		13,492			(3,074)			3,290		(31,724)
Assets, Net	[2]	208,858			169,184			208,858		169,184
Capital expenditures		19,996			15,831			49,731		38,189
Gain on debt extinguishment		0			0			0		0
Wharf
Financial information relating to reporting segments
Amortization		2,419			1,588			4,879		4,802
Other operating expenses		1,165			1,049			3,410		3,092
Fair value adjustments, net, pretax		0			0			0		0
Interest expense, net of capitalized interest		(128)			(120)			(405)		(164)
Other, net		(37)			(36)			(124)	[1]	(367)	[1]
Income and mining tax (expense) benefit		(4,164)			(1,102)			(7,172)		(3,822)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		42,944			12,196			77,385		34,169
Assets, Net	[2]	107,526			98,307			107,526		98,307
Capital expenditures		2,773			681			4,237		952
Gain on debt extinguishment		0			0			0		0
Silvertip [Member]
Financial information relating to reporting segments
Amortization		794			919			2,436		3,161
Other operating expenses		2,037			3,163			7,146		14,670
Fair value adjustments, net, pretax		0			0			0		0
Interest expense, net of capitalized interest		(1)			(13)			(11)		(53)
Other, net		52			(120)			12	[1]	(239)	[1]
Income and mining tax (expense) benefit		0			0			0		0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(12,185)			(10,918)			(30,711)		(24,695)
Assets, Net	[2]	212,607			217,321			212,607		217,321
Capital expenditures		1,035			619			1,894		1,426
Gain on debt extinguishment		0			0			0		0
Other Mining Properties [Member]
Financial information relating to reporting segments
Amortization		176			283			610		882
Other operating expenses		10,602			8,301			33,680		27,745
Fair value adjustments, net, pretax		0			(2,010)			0		4,629
Interest expense, net of capitalized interest		(11,763)			(6,372)			(34,591)		(19,572)
Other, net		2,383			(640)			7,257	[1]	(13,351)	[1]
Income and mining tax (expense) benefit		(2,451)			(676)			(4,568)		(2,984)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(23,106)			(17,923)			(67,356)		(57,374)
Assets, Net	[2]	53,374			66,462			53,374		66,462
Capital expenditures		7			(6)			32		703
Gain on debt extinguishment		0			774			417		3,735
Gold [Member]
Financial information relating to reporting segments
Revenue		223,772			139,503			529,626		387,959
Gold [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		55,085			38,994			151,398		114,897
Gold [Member] | Rochester
Financial information relating to reporting segments
Revenue		22,889			8,719			52,938		37,404
Gold [Member] | Kensington
Financial information relating to reporting segments
Revenue		62,164			46,474			156,753		111,136
Gold [Member] | Wharf
Financial information relating to reporting segments
Revenue		83,634			45,316			168,537		124,522
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		89,704			55,080			218,936		171,157
Product, Silver | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		55,292			38,294			138,603		117,426
Product, Silver | Rochester
Financial information relating to reporting segments
Revenue		33,092			14,929			75,636		49,245
Product, Silver | Kensington
Financial information relating to reporting segments
Revenue		(12)			56			(28)		193
Product, Silver | Wharf
Financial information relating to reporting segments
Revenue		1,332			1,801			4,725		4,293
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		313,476			194,583			748,562		559,116
Product, Metal [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		110,377			77,288			290,001		232,323
Product, Metal [Member] | Rochester
Financial information relating to reporting segments
Revenue		55,981			23,648			128,574		86,649
Product, Metal [Member] | Kensington
Financial information relating to reporting segments
Revenue		62,152			46,530			156,725		111,329
Product, Metal [Member] | Wharf
Financial information relating to reporting segments
Revenue		84,966			47,117			173,262		128,815
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]	156,742			147,903			447,456		440,596
Product | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		47,455			48,059			149,976	[3]	143,915	[3]
Product | Rochester
Financial information relating to reporting segments
Costs applicable to sales		39,409			30,532			103,063	[3]	99,465	[3]
Product | Kensington
Financial information relating to reporting segments
Costs applicable to sales		38,099			38,286			118,109	[3]	114,817	[3]
Product | Wharf
Financial information relating to reporting segments
Costs applicable to sales		31,779			31,026			76,308	[3]	82,399	[3]
Product | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		0			0			0	[3]	0	[3]
Product | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		0			0			0	[3]	0	[3]
Mineral, Exploration
Financial information relating to reporting segments
Costs applicable to sales		19,567			12,437			42,932		20,007
Mineral, Exploration | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		4,303			2,160			9,366		5,087
Mineral, Exploration | Rochester
Financial information relating to reporting segments
Costs applicable to sales		1,044			303			2,452		965
Mineral, Exploration | Kensington
Financial information relating to reporting segments
Costs applicable to sales		1,988			2,856			4,824		6,179
Mineral, Exploration | Wharf
Financial information relating to reporting segments
Costs applicable to sales		2,330			0			3,579		0
Mineral, Exploration | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		9,405			6,703			21,130		6,572
Mineral, Exploration | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		$ 497			$ 415			$ 1,581		$ 1,204

[1] See Note 13 -- 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.