v3.26.3
Contingencies (Tables)
 9 Months Ended
Sep. 30, 2026
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Contingencies Reserve Balance For the quarter and nine months ended September 30, 2026 and September 30, 2025, the following undiscounted activity was recorded in connection with the New Idria Mercury Mine:

 

 

 

For the Quarter Ended September 30,

 

 

For the Nine Months Ended September 30,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Beginning reserve balance

 

$

11,213

 

 

$

11,241

 

 

$

12,504

 

 

$

12,425

 

Changes in estimated environmental liability

 

 

1,900

 

 

 

900

 

 

 

3,400

 

 

 

900

 

Payments made

 

 

(1,080

)

 

 

(718

)

 

 

(3,871

)

 

 

(1,902

)

Ending reserve balance (1)

 

$

12,033

 

 

$

11,423

 

 

$

12,033

 

 

$

11,423

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Beginning receivable balance

 

$

7,904

 

 

$

7,050

 

 

$

8,332

 

 

$

8,404

 

Changes in estimated insurance recovery

 

 

1,400

 

 

 

900

 

 

 

2,500

 

 

 

900

 

Insurance recovery reimbursements

 

 

(1,071

)

 

 

(483

)

 

 

(2,599

)

 

 

(1,837

)

Ending receivable balance (2)

 

$

8,233

 

 

$

7,467

 

 

$

8,233

 

 

$

7,467

 

 

 

(1) As of September 30, 2026, Buckhorn has a total ending reserve balance of $12.0 million related to the New Idria Mine, of which $8.8 million is classified in Other current liabilities, $3.0 million in Other liabilities (long-term) and $0.2 million in Accounts payable..

(2) As of September 30, 2026, Buckhorn has a total receivable balance related to the probable insurance recovery of $8.2 million, of which $4.9 million is classified in Other accounts receivable and $3.3 million is classified in Other assets (long-term).