Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement of Comprehensive Income [Abstract]
Unrealized holding gains (losses) during the period, income tax expense (benefit)	$ 111	$ 230	$ (701)	$ 307
Reclassification adjustment for losses (gains) realized in net income, income tax benefit (expense)	$ 23	$ 4	$ (162)	$ (19)