Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Other comprehensive income, net of tax:
Unrealized holding gains arising during the period, tax	$ 1,861	$ 389	$ 1,972	$ 748
Reclassification adjustment for gains included in net income, tax	111	50	127	98
Unrealized gain on interest rate swap, tax	$ 85	$ 72	$ 105	$ 45