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
Consolidated Statements of Other Comprehensive Income [Abstract]
Net unrealized holding gains arising during the period, tax	$ 89	$ 447	$ (1,410)	$ 618
Reclassification adjustment for (gains) losses included in net income, tax expense and benefit	$ 0	$ 130	$ 15	$ 147