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Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2026
Commitments and Contingencies Disclosure [Abstract]  
Summary of Surety Collateral Funding Commitments

The table below outlines the estimated collateral funding commitments under the arrangements as of June 30, 2026 (in thousands):

Period

Collateral Funding
Commitments

 

Remaining 2026

$

41,638

 

2027

 

42,661

 

2028

 

43,166

 

2029

 

42,101

 

2030

 

35,212

 

Thereafter

 

46,749

 

Total

$

251,527

 

Summary of Decommissioning Obligations Included in Consolidated Balance Sheets

The decommissioning obligations are included in the Condensed Consolidated Balance Sheets as “Other current liabilities” and “Other long-term liabilities”, and the changes in that liability were as follows (in thousands):

Decommissioning Obligations at December 31, 2025

$

22,145

 

Additions

 

151

 

Changes in estimate

 

226

 

Settlements

 

(280

)

Decommissioning Obligations at June 30, 2026

$

22,242

 

Less: Current portion at June 30, 2026

 

4,543

 

Long-term portion at June 30, 2026

$

17,699