Consolidated Statements of Operations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Consolidated Statements of Operations      
Interest income $ 63,685 $ 52,975 $ 44,269
Fee income 13,390 11,976 12,254
Interest and fee income 77,075 64,951 56,523
Interest expense 4,545 6,882 11,416
Net interest and fee income 72,530 58,069 45,107
Provision for credit losses 9,617 5,920 4,134
Net interest and fee income after provision for credit losses 62,913 52,149 40,973
Other income:      
Insurance income 4,924 4,101 3,759
Gain (loss) on derivatives (2) (6) (53)
Other income 1,676 1,869 1,945
Other income, total 6,598 5,964 5,651
Other expense:      
Salaries and benefits 27,680 24,862 22,539
General and administrative 14,725 13,547 13,044
Financing related costs 1,106 850 719
Other expense 43,511 39,259 36,302
Income before income taxes 26,000 18,854 10,322
Income tax expense 9,769 7,157 4,147
Net income $ 16,231 $ 11,697 $ 6,175
Basic earnings per share $ 1.26 $ 0.92 $ 0.48
Diluted earnings per share $ 1.25 $ 0.91 $ 0.48