Segment Reporting (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financial information relating to reporting segments
Revenue		$ 821,206	$ 785,636	$ 832,828
Amortization		99,822	111,626	128,315
Other operating expenses		96,241	80,107	84,966
Fair value adjustments, net, pretax		3,384	(66,668)	(543)
Interest expense, net of capitalized interest		(29,099)	(23,861)	(16,451)
Other, net	[1]	(7,463)	66,331	(27,036)
Income and mining tax (expense) benefit		(35,156)	(14,658)	(34,958)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(103,612)	(78,107)	(31,322)
Net income (loss)		(103,612)	(78,107)	(31,322)
Assets, Net	[2]	1,943,037	1,669,982	1,424,934
Capital expenditures		364,617	352,354	309,781
Gain on debt extinguishment		3,437	0	(9,173)
Palmarejo [Member]
Financial information relating to reporting segments
Amortization		35,709	35,432	36,062
Other operating expenses		8,064	4,372	4,442
Fair value adjustments, net, pretax		0	0	0
Interest expense, net of capitalized interest		844	(12)	(592)
Other, net	[1]	4,590	3,204	(28,198)
Income and mining tax (expense) benefit		(26,016)	(28,771)	(29,730)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		46,703	48,870	59,034
Assets, Net	[2]	312,879	295,715	294,893
Capital expenditures		41,766	42,648	36,539
Gain on debt extinguishment		0		0
Rochester
Financial information relating to reporting segments
Amortization		26,392	22,626	20,187
Other operating expenses		26,005	7,540	5,915
Fair value adjustments, net, pretax		0	0	0
Interest expense, net of capitalized interest		(1,603)	(810)	(1,034)
Other, net	[1]	(293)	(306)	(328)
Income and mining tax (expense) benefit		(816)	876	559
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(71,579)	(70,536)	(33,339)
Assets, Net	[2]	1,081,442	809,116	559,283
Capital expenditures		263,401	246,360	166,548
Gain on debt extinguishment		0		0
Kensington
Financial information relating to reporting segments
Amortization		25,905	39,032	54,933
Other operating expenses		3,440	1,685	6,285
Fair value adjustments, net, pretax		0	0	0
Interest expense, net of capitalized interest		(1,744)	(1,446)	(704)
Other, net	[1]	(311)	(206)	(164)
Income and mining tax (expense) benefit		0	127	(414)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(29,481)	(2,111)	12,784
Assets, Net	[2]	171,602	148,516	142,926
Capital expenditures		53,316	31,456	27,522
Gain on debt extinguishment		0		0
Wharf
Financial information relating to reporting segments
Amortization		6,694	8,247	11,038
Other operating expenses		4,157	1,379	1,770
Fair value adjustments, net, pretax		0	0	0
Interest expense, net of capitalized interest		(329)	(66)	(145)
Other, net	[1]	(396)	(62)	1,634
Income and mining tax (expense) benefit		(7,047)	(2,868)	(4,799)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		56,219	34,361	56,887
Assets, Net	[2]	102,245	105,209	87,579
Capital expenditures		2,472	3,138	8,072
Gain on debt extinguishment		0		0
Silvertip [Member]
Financial information relating to reporting segments
Amortization		4,018	4,912	4,797
Other operating expenses		17,104	22,322	26,090
Fair value adjustments, net, pretax		0	0	0
Interest expense, net of capitalized interest		(63)	(176)	1,276
Other, net	[1]	(129)	(354)	(406)
Income and mining tax (expense) benefit		0	0	1,478
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(33,565)	(32,392)	(43,826)
Assets, Net	[2]	215,545	244,151	230,617
Capital expenditures		2,867	24,797	70,069
Gain on debt extinguishment		0		0
Other Mining Properties [Member]
Financial information relating to reporting segments
Amortization		1,104	1,377	1,298
Other operating expenses		37,471	42,809	40,464
Fair value adjustments, net, pretax		3,384	(66,668)	(543)
Interest expense, net of capitalized interest		(26,204)	(21,351)	(15,252)
Other, net	[1]	(10,924)	64,055	426
Income and mining tax (expense) benefit		(1,277)	15,978	(2,052)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		(71,909)	(56,299)	(82,862)
Assets, Net	[2]	59,324	67,275	109,636
Capital expenditures		795	3,955	1,031
Gain on debt extinguishment		3,437		(9,173)
Gold [Member]
Financial information relating to reporting segments
Revenue		575,677	572,877	578,911
Gold [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		155,036	157,595	150,098
Gold [Member] | Rochester
Financial information relating to reporting segments
Revenue		75,571	64,460	49,659
Gold [Member] | Kensington
Financial information relating to reporting segments
Revenue		162,010	201,859	214,635
Gold [Member] | Wharf
Financial information relating to reporting segments
Revenue		183,060	148,963	164,519
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		245,529	212,759	253,917
Product, Silver | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		158,171	145,839	170,176
Product, Silver | Rochester
Financial information relating to reporting segments
Revenue		80,451	65,203	81,163
Product, Silver | Kensington
Financial information relating to reporting segments
Revenue		468	634	370
Product, Silver | Wharf
Financial information relating to reporting segments
Revenue		6,439	1,083	2,208
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		821,206	785,636	832,828
Product, Metal [Member] | Palmarejo [Member]
Financial information relating to reporting segments
Revenue		313,207	303,434	320,274
Product, Metal [Member] | Rochester
Financial information relating to reporting segments
Revenue		156,022	129,663	130,822
Product, Metal [Member] | Kensington
Financial information relating to reporting segments
Revenue		162,478	202,493	215,005
Product, Metal [Member] | Wharf
Financial information relating to reporting segments
Revenue		189,499	150,046	166,727
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	[3]	632,896	606,530	511,539
Product | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	194,309	182,576	153,655
Product | Rochester
Financial information relating to reporting segments
Costs applicable to sales	[3]	171,271	165,166	131,240
Product | Kensington
Financial information relating to reporting segments
Costs applicable to sales	[3]	152,659	155,725	133,065
Product | Wharf
Financial information relating to reporting segments
Costs applicable to sales	[3]	114,657	103,063	93,579
Product | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	0	0	0
Product | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales	[3]	0	0	0
Mineral, Exploration
Financial information relating to reporting segments
Costs applicable to sales		30,962	26,624	51,169
Mineral, Exploration | Palmarejo [Member]
Financial information relating to reporting segments
Costs applicable to sales		7,840	6,605	8,561
Mineral, Exploration | Rochester
Financial information relating to reporting segments
Costs applicable to sales		1,221	4,627	6,016
Mineral, Exploration | Kensington
Financial information relating to reporting segments
Costs applicable to sales		7,900	6,637	6,656
Mineral, Exploration | Wharf
Financial information relating to reporting segments
Costs applicable to sales		0	0	143
Mineral, Exploration | Silvertip [Member]
Financial information relating to reporting segments
Costs applicable to sales		12,251	4,628	15,287
Mineral, Exploration | Other Mining Properties [Member]
Financial information relating to reporting segments
Costs applicable to sales		$ 1,750	$ 4,127	$ 14,506

[1] See Note 15 -- 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.