Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest Income
Interest and fees on loans	$ 49,921	$ 53,492	$ 55,942
Interest on investment securities:
Taxable	11,737	10,575	12,872
Nontaxable	2,551	2,512	2,248
Interest on deposits in other banks	138	150	156
Interest on federal funds sold and securities purchased under agreements to resell	5	4	4
Total interest income	64,352	66,733	71,222
Interest Expense
Interest on deposits	4,253	5,922	9,239
Interest on federal funds purchased and other short-term borrowings	54	74	96
Interest on securities sold under agreements to repurchase and other long-term borrowings	5,002	5,135	7,044
Interest on subordinated notes payable to unconsolidated trusts	844	864	1,879
Total interest expense	10,153	11,995	18,258
Net interest income	54,199	54,738	52,964
Provision for loan losses	(4,364)	(2,600)	2,772
Net interest income after provision for loan losses	58,563	57,338	50,192
Noninterest Income
Service charges and fees on deposits	7,801	8,196	8,124
Allotment processing fees	5,014	4,922	5,215
Other service charges, commissions, and fees	5,248	4,983	4,478
Trust income	2,568	1,993	1,909
Investment securities (losses) gains, net	(63)	(50)	1,209
Gains on sale of mortgage loans, net	490	1,036	1,918
Income from company-owned life insurance	1,231	962	1,524
Other	984	74	277
Total noninterest income	23,273	22,116	24,654
Noninterest Expense
Salaries and employee benefits	29,763	29,681	28,190
Occupancy expenses, net	4,881	4,767	4,757
Equipment expenses	2,498	2,398	2,364
Data processing and communications expenses	4,031	3,946	4,271
Bank franchise tax	2,421	2,354	2,381
Amortization of intangibles	405	540	1,014
Deposit insurance expense	1,746	2,265	2,690
Other real estate expenses, net	5,318	6,999	5,232
Legal expenses	856	780	1,220
Other	7,359	7,843	7,668
Total noninterest expense	59,278	61,573	59,787
Income before income taxes	22,558	17,881	15,059
Income tax expense	6,099	4,435	2,910
Net income	16,459	13,446	12,149
Less preferred stock dividends and discount accretion	1,927	1,951	1,922
Net income available to common shareholders	$ 14,532	$ 11,495	$ 10,227
Per Common Share
Net income – basic and diluted (in Dollars per share)	$ 1.94	$ 1.54	$ 1.37
Cash dividends declared (in Dollars per share)	$ 0	$ 0	$ 0
Weighted Average Common Shares Outstanding
Basic and diluted (in Shares)	7,483	7,474	7,457