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FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 acre	Dec. 31, 2012
Fair value measurements
Area of land transferred (in acres)	8
Gain on transfer of land	$ 773
Carrying amount of debt	$ 49,000	$ 49,268

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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