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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Net earnings $ 12,447 $ 12,456 $ 51,700
Other comprehensive gain:      
Net unrealized gain on interest rate swap   1,153 1,840
Comprehensive income $ 12,447 $ 13,609 $ 53,540