Segment Reporting (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Financial information relating to reporting segments
Revenue	$ 1,054,006		$ 821,206		$ 785,636
Amortization	124,974		99,822		111,626
Other operating expenses	99,000	[1]	96,241		80,107
Costs and Expenses	889,824		859,921		824,887
Income (loss) from operations	164,182		(38,715)		(39,251)
Gain on debt extinguishment	417		3,437		0
Fair value adjustments, net, pretax	0		3,384		(66,668)
Interest expense, net	(51,276)		(29,099)		(23,861)
Other, net	13,027	[2]	(7,463)		66,331
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	126,350		(68,456)		(63,449)
Income and mining tax (expense) benefit	(67,450)		(35,156)		(14,658)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	58,900		(103,612)		(78,107)
Net income (loss)	58,900		(103,612)		(78,107)
Assets, Net	2,161,881	[3]	1,943,037		1,669,982
Capital expenditures	183,188		364,617		352,354
Palmarejo [Member]
Financial information relating to reporting segments
Amortization	44,979		35,709		35,432
Other operating expenses	8,665	[1]	8,064		4,372
Costs and Expenses	262,332		245,922		228,985
Income (loss) from operations	116,728		67,285		74,449
Gain on debt extinguishment	0		0
Fair value adjustments, net, pretax	0		0		0
Interest expense, net	324		844		(12)
Other, net	7,074	[2]	4,590		3,204
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	124,126		72,719		77,641
Income and mining tax (expense) benefit	(45,765)		(26,016)		(28,771)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	78,361		46,703		48,870
Assets, Net	316,232	[3]	312,879		295,715
Capital expenditures	30,621		41,766		42,648
Rochester
Financial information relating to reporting segments
Amortization	41,293		26,392		22,626
Other operating expenses	12,963	[1]	26,005		7,540
Costs and Expenses	213,937		224,889		199,959
Income (loss) from operations	1,875		(68,867)		(70,296)
Gain on debt extinguishment	0		0
Fair value adjustments, net, pretax	0		0		0
Interest expense, net	(5,081)		(1,603)		(810)
Other, net	(363)	[2]	(293)		(306)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	(3,569)		(70,763)		(71,412)
Income and mining tax (expense) benefit	(1,778)		(816)		876
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(5,347)		(71,579)		(70,536)
Assets, Net	1,227,745	[3]	1,081,442		809,116
Capital expenditures	72,676		263,401		246,360
Kensington
Financial information relating to reporting segments
Amortization	28,201		25,905		39,032
Other operating expenses	9,753	[1]	3,440		1,685
Costs and Expenses	201,205		189,904		203,079
Income (loss) from operations	23,924		(27,426)		(586)
Gain on debt extinguishment	0		0
Fair value adjustments, net, pretax	0		0		0
Interest expense, net	(1,681)		(1,744)		(1,446)
Other, net	(312)	[2]	(311)		(206)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	21,931		(29,481)		(2,238)
Income and mining tax (expense) benefit	(576)		0		127
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	21,355		(29,481)		(2,111)
Assets, Net	223,525	[3]	171,602		148,516
Capital expenditures	68,656		53,316		31,456
Wharf
Financial information relating to reporting segments
Amortization	6,487		6,694		8,247
Other operating expenses	4,519	[1]	4,157		1,379
Costs and Expenses	115,564		125,508		112,689
Income (loss) from operations	118,441		63,991		37,357
Gain on debt extinguishment	0		0
Fair value adjustments, net, pretax	0		0		0
Interest expense, net	(544)		(329)		(66)
Other, net	(509)	[2]	(396)		(62)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	117,388		63,266		37,229
Income and mining tax (expense) benefit	(10,679)		(7,047)		(2,868)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	106,709		56,219		34,361
Assets, Net	119,407	[3]	102,245		105,209
Capital expenditures	7,175		2,472		3,138
Silvertip [Member]
Financial information relating to reporting segments
Amortization	3,235		4,018		4,912
Other operating expenses	9,923	[1]	17,104		22,322
Costs and Expenses	40,490		33,373		31,862
Income (loss) from operations	(40,490)		(33,373)		(31,862)
Gain on debt extinguishment	0		0
Fair value adjustments, net, pretax	0		0		0
Interest expense, net	(11)		(63)		(176)
Other, net	(43)	[2]	(129)		(354)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	(40,544)		(33,565)		(32,392)
Income and mining tax (expense) benefit	0		0		0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(40,544)		(33,565)		(32,392)
Assets, Net	219,613	[3]	215,545		244,151
Capital expenditures	3,597		2,867		24,797
Other Mining Properties [Member]
Financial information relating to reporting segments
Amortization	779		1,104		1,377
Other operating expenses	53,177	[1]	37,471		42,809
Costs and Expenses	56,296		40,325		48,313
Income (loss) from operations	(56,296)		(40,325)		(48,313)
Gain on debt extinguishment	417		3,437
Fair value adjustments, net, pretax	0		3,384		(66,668)
Interest expense, net	(44,283)		(26,204)		(21,351)
Other, net	7,180	[2]	(10,924)		64,055
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	(92,982)		(70,632)		(72,277)
Income and mining tax (expense) benefit	(8,652)		(1,277)		15,978
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(101,634)		(71,909)		(56,299)
Assets, Net	55,359	[3]	59,324		67,275
Capital expenditures	463		795		3,955
Gold [Member]
Financial information relating to reporting segments
Revenue	734,861		575,677		572,877
Gold [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue	190,520		155,036		157,595
Gold [Member] | Rochester
Financial information relating to reporting segments
Revenue	91,541		75,571		64,460
Gold [Member] | Kensington
Financial information relating to reporting segments
Revenue	225,200		162,010		201,859
Gold [Member] | Wharf
Financial information relating to reporting segments
Revenue	227,600		183,060		148,963
Gold [Member] | Silvertip [Member]
Financial information relating to reporting segments
Revenue	0		0		0
Gold [Member] | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue	0		0		0
Product, Silver
Financial information relating to reporting segments
Revenue	319,145		245,529		212,759
Product, Silver | Palmarejo [Member]
Financial information relating to reporting segments
Revenue	188,540		158,171		145,839
Product, Silver | Rochester
Financial information relating to reporting segments
Revenue	124,271		80,451		65,203
Product, Silver | Kensington
Financial information relating to reporting segments
Revenue	(71)		468		634
Product, Silver | Wharf
Financial information relating to reporting segments
Revenue	6,405		6,439		1,083
Product, Silver | Silvertip [Member]
Financial information relating to reporting segments
Revenue	0		0		0
Product, Silver | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue	0		0		0
Product, Metal [Member]
Financial information relating to reporting segments
Revenue	1,054,006		821,206		785,636
Product, Metal [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue	379,060		313,207		303,434
Product, Metal [Member] | Rochester
Financial information relating to reporting segments
Revenue	215,812		156,022		129,663
Product, Metal [Member] | Kensington
Financial information relating to reporting segments
Revenue	225,129		162,478		202,493
Product, Metal [Member] | Wharf
Financial information relating to reporting segments
Revenue	234,005		189,499		150,046
Product, Metal [Member] | Silvertip [Member]
Financial information relating to reporting segments
Revenue	0		0		0
Product, Metal [Member] | Other Mining Properties [Member]
Financial information relating to reporting segments
Revenue	0		0		0
Product
Financial information relating to reporting segments
Costs applicable to sales	606,192	[4]	632,896	[4]	606,530
Product | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales	195,458	[4]	194,309		182,576
Product | Rochester
Financial information relating to reporting segments
Costs applicable to sales	154,611	[4]	171,271		165,166
Product | Kensington
Financial information relating to reporting segments
Costs applicable to sales	157,757	[4]	152,659		155,725
Product | Wharf
Financial information relating to reporting segments
Costs applicable to sales	98,366	[4]	114,657		103,063
Product | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales	0	[4]	0		0
Product | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales	0	[4]	0		0
Mineral, Exploration
Financial information relating to reporting segments
Costs applicable to sales	59,658		30,962		26,624
Mineral, Exploration | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales	13,230		7,840		6,605
Mineral, Exploration | Rochester
Financial information relating to reporting segments
Costs applicable to sales	5,070		1,221		4,627
Mineral, Exploration | Kensington
Financial information relating to reporting segments
Costs applicable to sales	5,494		7,900		6,637
Mineral, Exploration | Wharf
Financial information relating to reporting segments
Costs applicable to sales	6,192		0		0
Mineral, Exploration | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales	27,332		12,251		4,628
Mineral, Exploration | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales	$ 2,340		$ 1,750		$ 4,127

[1] Other operating expenses includes General and administrative and Pre-development, reclamation, and other

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

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

[4] Excludes amortization.