Segment Reporting (Details) - USD ($) $ in Thousands		3 Months Ended						9 Months Ended
		Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Financial information relating to reporting segments
Revenue		$ 194,583			$ 182,993			$ 559,116	$ 575,520
Amortization		22,884			29,151			65,187	83,549
Other operating expenses		18,192			18,971			61,002	59,120
Fair value adjustments, net, pretax		(2,010)			(13,067)			4,629	(65,272)
Interest expense, net of capitalized interest		(7,402)			(5,932)			(21,703)	(15,670)
Other, net	[1]	459			153			(10,421)	2,203
Income and mining tax (expense) benefit		(6,097)			(1,883)			(26,671)	(15,079)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(21,109)			(57,444)			(78,107)	(127,196)
Net income (loss)		(21,109)	$ (32,412)	$ (24,586)	(57,444)	$ (77,434)	$ 7,682	(78,107)	(127,196)
Assets, Net	[2]	1,935,150			1,627,675			1,935,150	1,627,675	$ 1,669,982
Capital expenditures		112,273			96,602			271,902	239,260
Gain on debt extinguishment		774			0			3,735	0
Palmarejo [Member]
Financial information relating to reporting segments
Amortization		9,024			8,027			25,760	27,150
Other operating expenses		2,611			812			6,370	2,485
Fair value adjustments, net, pretax		0			0			0	0
Interest expense, net of capitalized interest		241			26			541	(100)
Other, net	[1]	1,407			1,142			4,291	1,635
Income and mining tax (expense) benefit		(4,539)			(1,805)			(20,461)	(24,325)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		12,543			10,341			35,562	40,845
Assets, Net	[2]	313,569			294,438			313,569	294,438
Capital expenditures		10,780			10,844			32,844	34,515
Gain on debt extinguishment		0			0			0	0
Rochester
Financial information relating to reporting segments
Amortization		4,176			6,921			13,043	16,592
Other operating expenses		2,168			1,804			6,241	5,465
Fair value adjustments, net, pretax		0			0			0	0
Interest expense, net of capitalized interest		(555)			(225)			(1,017)	(606)
Other, net	[1]	(67)			(101)			(559)	(192)
Income and mining tax (expense) benefit		220			114			596	1,079
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(13,933)			(30,125)			(34,045)	(59,728)
Assets, Net	[2]	1,070,307			769,391			1,070,307	769,391
Capital expenditures		84,368			73,995			197,788	154,001
Gain on debt extinguishment		0			0			0	0
Kensington
Financial information relating to reporting segments
Amortization		6,894			10,369			17,539	28,360
Other operating expenses		907			425			2,875	1,348
Fair value adjustments, net, pretax		0			0			0	0
Interest expense, net of capitalized interest		(583)			(442)			(1,438)	(1,111)
Other, net	[1]	(79)			(62)			(206)	19
Income and mining tax (expense) benefit		0			0			0	127
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(3,075)			(5,276)			(31,725)	(7,925)
Assets, Net	[2]	169,184			146,128			169,184	146,128
Capital expenditures		15,831			7,076			38,189	23,828
Gain on debt extinguishment		0			0			0	0
Wharf
Financial information relating to reporting segments
Amortization		1,588			2,191			4,802	6,500
Other operating expenses		1,041			482			3,084	1,521
Fair value adjustments, net, pretax		0			0			0	0
Interest expense, net of capitalized interest		(120)			(22)			(164)	(49)
Other, net	[1]	(43)			(167)			(374)	506
Income and mining tax (expense) benefit		(1,102)			(417)			(3,822)	(2,382)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		12,197			6,711			34,170	26,886
Assets, Net	[2]	98,307			90,542			98,307	90,542
Capital expenditures		681			458			952	2,294
Gain on debt extinguishment		0			0			0	0
Silvertip [Member]
Financial information relating to reporting segments
Amortization		919			1,260			3,161	3,778
Other operating expenses		3,164			4,966			14,687	16,550
Fair value adjustments, net, pretax		0			0			0	0
Interest expense, net of capitalized interest		(13)			(32)			(53)	(150)
Other, net	[1]	(119)			(85)			(222)	(320)
Income and mining tax (expense) benefit		0			0			0	0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(10,918)			(8,646)			(24,695)	(22,839)
Assets, Net	[2]	217,321			242,142			217,321	242,142
Capital expenditures		619			3,821			1,426	21,383
Gain on debt extinguishment		0			0			0	0
Other Mining Properties [Member]
Financial information relating to reporting segments
Amortization		283			383			882	1,169
Other operating expenses		8,301			10,482			27,745	31,751
Fair value adjustments, net, pretax		(2,010)			(13,067)			4,629	(65,272)
Interest expense, net of capitalized interest		(6,372)			(5,237)			(19,572)	(13,654)
Other, net	[1]	(640)			(574)			(13,351)	555
Income and mining tax (expense) benefit		(676)			225			(2,984)	10,422
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(17,923)			(30,449)			(57,374)	(104,435)
Assets, Net	[2]	66,462			85,034			66,462	85,034
Capital expenditures		(6)			408			703	3,239
Gain on debt extinguishment		774			0			3,735	0
Gold [Member]
Financial information relating to reporting segments
Revenue		139,503			139,181			387,959	415,257
Gold [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		38,994			35,285			114,897	119,486
Gold [Member] | Rochester
Financial information relating to reporting segments
Revenue		8,719			16,162			37,404	42,413
Gold [Member] | Kensington
Financial information relating to reporting segments
Revenue		46,474			49,010			111,136	143,099
Gold [Member] | Wharf
Financial information relating to reporting segments
Revenue		45,316			38,724			124,522	110,259
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		55,080			43,812			171,157	160,263
Product, Silver | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		38,294			29,551			117,426	114,387
Product, Silver | Rochester
Financial information relating to reporting segments
Revenue		14,929			14,011			49,245	44,632
Product, Silver | Kensington
Financial information relating to reporting segments
Revenue		56			97			193	575
Product, Silver | Wharf
Financial information relating to reporting segments
Revenue		1,801			153			4,293	669
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		194,583			182,993			559,116	575,520
Product, Metal [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		77,288			64,836			232,323	233,873
Product, Metal [Member] | Rochester
Financial information relating to reporting segments
Revenue		23,648			30,173			86,649	87,045
Product, Metal [Member] | Kensington
Financial information relating to reporting segments
Revenue		46,530			49,107			111,329	143,674
Product, Metal [Member] | Wharf
Financial information relating to reporting segments
Revenue		47,117			38,877			128,815	110,928
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]	147,903			163,180			440,596	447,126
Product | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	48,059			43,244			143,915	135,532
Product | Rochester
Financial information relating to reporting segments
Costs applicable to sales	[3]	30,532			50,760			99,465	120,988
Product | Kensington
Financial information relating to reporting segments
Costs applicable to sales	[3]	38,286			40,289			114,817	116,510
Product | Wharf
Financial information relating to reporting segments
Costs applicable to sales	[3]	31,026			28,887			82,399	74,096
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		12,437			8,406			20,007	19,103
Mineral, Exploration | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		2,160			1,775			5,087	5,071
Mineral, Exploration | Rochester
Financial information relating to reporting segments
Costs applicable to sales		303			601			965	4,009
Mineral, Exploration | Kensington
Financial information relating to reporting segments
Costs applicable to sales		2,856			2,796			6,179	4,416
Mineral, Exploration | Wharf
Financial information relating to reporting segments
Costs applicable to sales		0			0			0	0
Mineral, Exploration | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		6,703			2,303			6,572	2,041
Mineral, Exploration | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		$ 415			$ 931			$ 1,204	$ 3,566

[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.