Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest income:
Interest and fees on loans	$ 42,184	$ 43,949	$ 45,399
Taxable	9,153	9,987	9,819
Exempt from federal income tax	2,069	1,697	1,194
Interest on certificates of deposit investments	14	57	78
Interest on federal funds sold	6	37	69
Interest on deposits with other financial institutions	33	40	213
Total interest income	53,459	55,767	56,772
Interest expense:
Interest on deposits	2,703	4,843	6,725
Interest on securities sold under agreements to repurchase	46	117	172
Interest on FHLB borrowings	254	308	765
Interest on other borrowings	9	326	72
Interest on subordinated debentures	523	563	770
Total interest expense	3,535	6,157	8,504
Net interest income	49,924	49,610	48,268
Provision for loan losses	2,193	2,647	3,101
Net interest income after provision for loan losses	47,731	46,963	45,167
Other income:
Trust revenues	3,565	3,330	3,030
Brokerage commissions	833	688	650
Insurance commissions	1,638	1,813	1,786
Service charges	4,865	4,808	4,817
Securities gains, net	2,293	934	486
Total other-than-temporary impairment recoveries (losses)	0	127	(886)
Portion of loss recognized in other comprehensive loss	0	0	0
Other-than-temporary impairment recoveries (losses) recognized in earnings	0		(886)
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Change in Status	2,878	127	0
Mortgage banking revenue, net	935	1,509	788
ATM / debit card revenue	3,772	3,554	3,483
Other income	(1,440)	(1,547)	(1,633)
Total other income	19,341	18,310	15,787
Other expense:
Salaries and employee benefits	24,128	23,433	22,247
Net occupancy and equipment expense	8,223	8,088	7,960
Net other real estate owned expense	163	390	1,471
Amortization of intangible assets	832	875	1,167
Amortization of intangible assets	674	773	1,134
Stationery and supplies	603	609	581
Legal and professional	2,070	2,093	2,070
Marketing and donations	1,221	1,014	1,050
Other expense	5,590	5,563	5,373
Total other expense	43,504	42,838	43,053
Income before income taxes	23,568	22,435	17,901
Income taxes	8,846	8,410	6,529
Net income	14,722	14,025	11,372
Dividends on preferred shares	4,417	4,252	3,576
Net income available to common stockholders	$ 10,305	$ 9,773	$ 7,796
Per share data:
Basic net income per common share available to common stockholders	$ 1.74	$ 1.62	$ 1.29
Diluted earnings per common share	$ 1.73	$ 1.62	$ 1.29
Cash dividends declared per common share	$ 0.46	$ 0.42	$ 0.40