Nature of Operations and Summary of Significant Accounting Policies - Revised Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Total current assets	$ 26,495	$ 46,099
Property, plant, and mine development, net	138,626	152,563
Deferred tax assets, net	13,301	5,927
Other non-current assets	5,464	5,509
Total assets	183,886	210,098
Current liabilities:
Total current liabilities	11,325	24,682
Reclamation and remediation liabilities	11,795	10,366
Gold and silver stream agreements liability	44,932	43,466
Deferred tax liabilities, net	14,077	15,151
Contingent consideration	3,548	2,179	$ 4,603
Other non-current liabilities	1,516	2,490
Total liabilities	87,193	98,334
Shareholders' equity:
Total shareholders' equity	96,693	111,764
Total liabilities and shareholders' equity	$ 183,886	210,098
As Reported
Current assets:
Total current assets		46,099
Property, plant, and mine development, net		152,563
Other non-current assets		5,509
Total assets		204,171
Current liabilities:
Total current liabilities		24,682
Reclamation and remediation liabilities		10,366
Gold and silver stream agreements liability		43,466
Deferred tax liabilities, net		9,224
Contingent consideration		2,179
Other non-current liabilities		2,490
Total liabilities		92,407
Shareholders' equity:
Total shareholders' equity		111,764
Total liabilities and shareholders' equity		204,171
Adjustments
Current assets:
Deferred tax assets, net		5,927
Total assets		5,927
Current liabilities:
Deferred tax liabilities, net		5,927
Total liabilities		5,927
Shareholders' equity:
Total liabilities and shareholders' equity		$ 5,927