Condensed Financial Information-Parent Only (Schedule Of Condensed Statements Of Operations) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Expense
Interest on subordinated debentures									$ 548,000	$ 869,000	$ 863,000
Non-interest expense	29,814,000	28,897,000	27,587,000	24,479,000	23,462,000	21,898,000	21,039,000	21,787,000	110,777,000	88,186,000	72,204,000
Income before income tax									38,935,000	24,418,000	13,229,000
Income tax (benefit)	4,098,000	2,034,000	3,262,000	4,431,000	1,622,000	1,795,000	2,150,000	2,227,000	13,825,000	7,794,000	4,311,000
Net income	7,324,000	4,788,000	5,592,000	7,406,000	5,237,000	3,561,000	3,854,000	3,972,000	25,110,000	16,624,000	8,918,000
Parent Company [Member]
Income
Other income									27,415,000	23,802,000	18,239,000
Total income									27,415,000	23,802,000	18,239,000
Expense
Interest on subordinated debentures									548,000	869,000	863,000
Non-interest expense									29,507,000	24,563,000	18,769,000
Total expense									30,055,000	25,432,000	19,632,000
Equity in undistributed income of subsidiaries									26,593,000	17,436,000	9,824,000
Income before income tax									23,953,000	15,806,000	8,431,000
Income tax (benefit)									(1,157,000)	(818,000)	(487,000)
Net income									$ 25,110,000	$ 16,624,000	$ 8,918,000