Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Other Comprehensive Income (loss), net of tax:
Unrealized holding gains on securities available for sale, net of tax expense	$ 549	$ 657
Unrealized holding loss on financial derivative, net of tax benefit	4	38
Retirement plan amortization and transition obligation recognized in plan expenses, net of tax expense	127	80
Defined benefit plan freeze, net of tax expense	$ 768	$ 0
ESOP shares earned (in shares)	8,520	3,445
Common stock dividend declared (in dollars per share)	$ 0.09	$ 0.09