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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Net income $ 9 $ 2,167
Other comprehensive income (loss):    
Unrealized income on derivative instruments, net of tax 43 50
Comprehensive income $ 52 $ 2,217