Commitments and Contingencies

6 Months Ended

Jun. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

In January 2007, the Environmental Protection Agency (EPA) notified us that we are a potentially responsible party under the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) and the Clean Water Act for cleanup of a site known as Avery Landing in northern Idaho. We own a portion of the land at the Avery Landing site, which we acquired in 1980 from the Milwaukee Railroad. The land we own at the site and adjacent properties were contaminated with petroleum as a result of the Milwaukee Railroad's operations at the site prior to 1980. We entered into a consent order with the EPA in August 2008 to conduct an Engineering Evaluation/Cost Analysis (EE/CA) study to determine the best means of addressing the contamination at the site. In January 2010, we submitted our draft EE/CA report to the EPA outlining various alternatives for addressing the contamination at the entire site. Ultimately, the EPA published a draft EE/CA report on January 26, 2011 for public comment. The EPA's report focused on a limited number of remedial alternatives which range in cost from approximately $7.9 million to $10.5 million. The public comment period closed March 11, 2011. On July 5, 2011, the EPA issued an Action Memorandum for the Avery Landing Site selecting contaminant extraction and off-site disposal as the remedial alternative at an estimated cost of approximately $9.5 million. On May 23, 2012, we signed a consent order with the EPA pursuant to which we agreed to provide $1.75 million in funding for EPA cleanup on a portion of our property (including the adjacent riverbank owned by the Idaho Department of Lands). On April 4, 2013 the EPA issued a unilateral administrative order requiring us to remediate the portion of the Avery Landing site that we own. During the first quarter of 2013, we increased our accrual by $0.75 million. We began work on the site in May 2013 and discovered more contaminant on our property than had been expected based upon previous testing, and accordingly, during the second quarter of 2013 we increased our expense by an additional $1.75 million. As of June 30, 2013, we have an accrual balance of $5.6 million for this matter after charging $1.1 million against the reserve for expenses incurred during the second quarter on site remediation. We expect to complete work on the site in the third quarter of 2013. It is possible that the final cost of completion of the work could exceed our reserves by up to approximately $1.0 million if we encounter additional unforeseen circumstances or if our cost mitigation measures are not as successful as expected. That estimate is the upper end of the range of reasonably possible additional costs and is much less certain than the estimates on which our accruals currently are based. We have reserved all of our rights to seek reimbursement for the costs of remediation from all parties potentially responsible.