Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements Of Comprehensive Income [Abstract]
Income taxes arising from net unrealized holding gain (loss) on investments	$ (33)	$ 32	$ 73	$ 9
Income tax benefit arising from reclassification adjustment for loss reported in net income			134	49
Pre-tax loss of reclassification adjustment for loss reported in net income			$ 383	$ 139