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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Accumulated Other Comprehensive Loss) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]    
Pension obligation for defined benefit plan $ (9,520) $ (8,116)
Unrealized holding gains on available for sale securities 4,141 4,456
Total accumulated other comprehensive loss $ (5,379) $ (3,660)