XML 77 R56.htm IDEA: XBRL DOCUMENT v3.22.0.1
ENVIRONMENTAL NATURAL RESOURCE DAMAGE LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2021
Environmental Remediation Obligations [Abstract]  
Schedule of Environmental Loss Contingencies by Site
An analysis of environmental and NRD liabilities from December 31, 2020 to December 31, 2021 is shown below:
Port Gamble, WA
Non-current portion at December 31, 2020
$10,615
Plus: Current portion1,026
Total Balance at December 31, 2020
11,641
Expenditures charged to liabilities(941)
Increase in liabilities105
Total Balance at December 31, 2021
10,805
Less: Current portion(695)
Non-current portion at December 31, 2021
$10,110