v3.26.1
ENVIRONMENTAL AND NATURAL RESOURCE DAMAGE LIABILITIES (Tables)
6 Months Ended
Jun. 30, 2026
Environmental Remediation Obligations [Abstract]  
Schedule of Environmental Loss Contingencies by Site
Changes in environmental and NRD liabilities from December 31, 2025 to June 30, 2026 are shown below:
Port Gamble, WAOther SitesTotal
Non-current portion at December 31, 2025
$6,089— $6,089
Plus: Current portion3,181— 3,181
Total Balance at December 31, 2025
9,270— 9,270
Liabilities assumed in the merger with PotlatchDeltic— 679679 
Expenditures charged to liabilities(460)(54)(514)
Increase to liabilities (a)171— 171
Total Balance at June 30, 2026
8,9816259,606
Less: Current portion(5,778)(218)(5,996)
Non-current portion at June 30, 2026
$3,203$407$3,610
(a)The increase in liabilities resulted from revised environmental and NRD cost estimates recognized during the six months ended June 30, 2026.