Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Cash and due from banks	$ 7,765	$ 7,439	$ 6,998
Federal funds sold	10,634	7,852	19,854
Interest bearing deposits with banks and other short-term investments	172,849	324,043	122,639
Investment securities available for sale, at fair value	335,779	299,820	338,933
Federal Reserve and Federal Home Loan Bank stock	11,220	10,694	10,950
Loans held for sale	104,767	226,923	102,767
Loans	2,691,358	2,493,095	2,319,237
Less allowance for credit losses	(39,640)	(37,492)	(34,079)
Loans, net	2,651,718	2,455,603	2,285,158
Premises and equipment, net	16,706	15,261	13,634
Deferred income taxes	24,883	19,128	16,836
Bank owned life insurance	29,324	14,135	13,936
Intangible assets, net	3,690	3,785	3,978
Other real estate owned	12,213	5,299	4,438
Other assets	29,020	19,459	22,776
Total Assets	3,410,568	3,409,441	2,962,897
Liabilities
Noninterest bearing demand	767,808	881,390	773,119
Interest bearing transaction	107,013	113,813	95,827
Savings and money market	1,531,804	1,374,869	1,197,974
Time, $100,000 or more	203,117	232,875	239,287
Other time	278,494	294,275	207,804
Total deposits	2,888,236	2,897,222	2,514,011
Customer repurchase agreements	97,327	101,338	97,704
Long-term borrowings	39,300	39,300	49,300
Other liabilities	16,315	21,605	11,612
Total Liabilities	3,041,178	3,059,465	2,672,627
Shareholders' Equity
Common stock, par value $.01 per share; shares authorized 50,000,000, shares issued and outstanding 25,764,542, 22,954,889 and 20,591,233, respectively	251	226	203
Warrant	946	946	946
Additional paid in capital	239,584	180,593	140,572
Retained earnings	72,916	106,146	86,556
Accumulated other comprehensive (loss) income	(907)	5,465	5,393
Total Shareholders' Equity	369,390	349,976	290,270
Total Liabilities and Shareholders' Equity	3,410,568	3,409,441	2,962,897
Series B Preferred Stock [Member]
Shareholders' Equity
Preferred stock, par value $.01 per share, shares authorized 1,000,000, Series B, $1,000 per share liquidation preference, shares issued and outstanding 56,600 at June 30, 2013, December 31, 2012 and June 30, 2012.	$ 56,600	$ 56,600	$ 56,600

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.