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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Net income $ 3,990,000 $ 6,358,000
Other comprehensive income, net of tax    
Unrealized gains (losses) on securities 138,000 (28,000)
Other comprehensive income (loss) 138,000 (28,000)
Comprehensive income $ 4,128,000 $ 6,330,000