v3.26.3
Payments, by Government - 12 months ended Dec. 31, 2025 - USD ($)
Taxes
[1]
Comm. Social Resp.
[2]
Total Payments
Total $ 3,742,336 $ 40,252,145 $ 43,994,481
UNITED STATES | United States Department of the Treasury [Member]      
Total $ 3,742,336 0 3,742,336
UNITED STATES | Office of Surface Mining Reclamation and Enforcement [Member]      
Total   1,863,231 1,863,231
UNITED STATES | Pension Benefit Guarantee Corporation [Member]      
Total   6,328,266 6,328,266
UNITED STATES | Internal Revenue Service [Member]      
Total   31,890,681 31,890,681
SWITZERLAND | Casa Cantonale AVS [Member]      
Total   $ 169,967 $ 169,967
[1] Payments include United States federal black lung excise taxes.
[2] Payments include United States federal employer related payroll taxes, reclamation fees, and pension benefit guarantee corporation fees.