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Asset Impairments	9 Months Ended
	Sep. 30, 2013
Asset Impairments [Abstract]
Asset Impairments	5. Asset Impairments In April 2012, our Board of Directors approved the listing for sale of our corporate headquarters building located in Spokane, Washington. We intend to relocate our headquarters to a new leased location in Spokane upon sale. The initial listing price for the building and underlying land was $13.3 million. During the quarter ended September 30, 2013, we changed real estate brokers and lowered the listing price to $11.9 million. Due to changes in market conditions, we lowered the carrying value of our corporate headquarters building during the quarter ended September 30, 2013. We will continue to classify the building as an asset held for use until the sale is probable within 12 months and it becomes unlikely that significant changes to the plan will be made. In total, we recorded approximately $6.5 million in expenses to reflect the impairment of the building  and other assets before the effect of income taxes. These costs are classified in our consolidated statements of operations as asset impairments.

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- Definition

The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired asset is reported.

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