Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenue		$ 1,629,637	$ 995,618	$ 1,426,927
Operating costs and expenses:
Cost of sales	[1]	653,303	514,032	804,147
Depreciation, depletion, and amortization		116,178	130,192	214,012
General and administrative expense		107,823	62,885	67,457
Exploration and evaluation		37,131	41,804	50,185
Reclamation and remediation costs		88,924	296,871	8,698
Impairment charges of long-lived and other assets		0	114,599	361,612
Impairment charges of goodwill		0	0	49,786
Care and maintenance		151,769	120,280	0
Other operating expense (income), net		13,067	37,240	1,274
Operating income (loss)		461,442	(322,285)	(130,244)
Other income (expense):
Interest expense		(14,575)	(13,028)	(16,616)
Other income (expense)		26,346	26,270	50,151
Foreign exchange gain (loss)		(30,065)	(9,691)	(105,699)
Total other income (expense)		(18,294)	3,551	(72,164)
Income (loss) before income and mining taxes		443,148	(318,734)	(202,408)
Income and mining tax benefit (expense)		(80,245)	(33,302)	82,534
Equity income (loss) of affiliates		(486)	(546)	(351)
Net income (loss)		362,417	(352,582)	(120,225)
Net (income) loss attributable to non-controlling interest		33,337	91,305	22,218
Net income (loss) attributable to SSR Mining shareholders		$ 395,754	$ (261,277)	$ (98,007)
Weighted average common shares
Basic (in shares)		202,745	202,258	204,714
Diluted (in shares)		217,026	202,258	204,714
Net income (loss) per share attributable to SSR Mining shareholders
Basic (in dollars per share)		$ 1.95	$ (1.29)	$ (0.48)
Diluted (in dollars per share)		$ 1.85	$ (1.29)	$ (0.48)

[1] Excludes depreciation, depletion, and amortization.