v2.4.0.6
Summary of Significant Accounting Policies - Reconciliations of the Numerators and Denominators of our Basic and Diluted Earnings Per Share (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income (numerator):                              
Net income - basic                         $ 6,384 $ 7,242 $ 7,462
Weighted average shares (denominator):                              
Weighted average shares - basic                         34,965,182 28,930,792 22,065,797
Dilution effect of share-based compensation, treasury method                         65,141 227,806 148,273
Weighted average shares - diluted                         35,030,323 29,158,598 22,214,070
EARNINGS PER SHARE:                              
Basic $ (0.02) $ (0.07) $ 0.23 $ 0.05 $ (0.30) $ 0.25 $ 0.28 $ 0.05 $ 0.01 $ 0.10 $ 0.07 $ 0.17 $ 0.18 $ 0.25 $ 0.34
Diluted $ (0.02) $ (0.07) $ 0.23 $ 0.05 $ (0.30) $ 0.25 $ 0.28 $ 0.05 $ 0.01 $ 0.10 $ 0.07 $ 0.17 $ 0.18 $ 0.25 $ 0.34