Condensed Financial Information-Parent Only (Schedule Of Condensed Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Assets
Cash and due from banks	$ 33,883	$ 19,981
Other assets	31,313	27,489
Total assets	4,706,065	3,699,659
Liabilities and stockholders'equity
Other liabilities	38,850	17,812
Stockholders' equity	359,604	336,677	271,479	198,906
Total liabilities and shareholders' equity	4,706,065	3,699,659
Parent Company [Member]
Assets
Cash and due from banks	70,612	84,261
Investment in bank subsidiaries	294,010	259,217
Other assets	8,401	6,691
Total assets	373,023	350,169
Liabilities and stockholders'equity
Other liabilities	18	91
Subordinated debenture	13,401	13,401
Stockholders' equity	359,604	336,677
Total liabilities and shareholders' equity	$ 373,023	$ 350,169