Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest income:
Loans, including fees	$ 71,016	$ 49,776	$ 41,887
Investment securities:
Taxable	8,609	8,083	5,362
Nontaxable	3,184	2,880	3,393
Other interest income	394	283	365
Total interest income	83,203	61,022	51,007
Interest expense:
Deposits	3,961	4,100	4,024
Borrowings	1,232	756	807
Junior subordinated debentures	1,346	984	971
Total interest expense	6,539	5,840	5,802
Net interest income	76,664	55,182	45,205
Provision for loan losses	3,050	2,050	3,925
Net interest income after provision for loan losses	73,614	53,132	41,280
Noninterest income:
Service charges on deposit accounts	9,225	7,430	6,921
Gain on securities, net	234	204	99
ATM and debit card income	6,400	4,605	3,802
Other charges and fees	3,460	2,705	2,239
Total noninterest income	19,319	14,944	13,061
Noninterest expenses:
Salaries and employee benefits	34,182	24,713	21,763
Occupancy expense	15,112	11,320	9,281
ATM and debit card expense	2,399	1,559	1,256
Other	20,913	17,063	17,004
Total noninterest expense	72,606	54,655	49,304
Income before income taxes	20,327	13,421	5,037
Income tax expense	6,151	3,779	564
Net earnings	14,176	9,642	4,473
Dividends on preferred stock and accretion of warrants	1,332	1,547	1,802
Net earnings available to common stockholders	$ 12,844	$ 8,095	$ 2,671
Earnings per common share:
Basic (in dollars per share)	$ 1.14	$ 0.77	$ 0.27
Diluted (in dollars per share)	$ 1.12	$ 0.77	$ 0.27