Condensed Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Statement Of Cash Flows [Abstract]
Net cash from operating activities	$ 7,926	$ 9,229
Cash flows used for investing activities
Maturities and calls of securities, available-for-sale	32,277	39,120
Purchases of securities, available-for-sale	(43,116)	(59,169)
Sale of securities available for sale	7,758	12,982
Redemption of FRB stock	27
Purchases of FRB stock		(136)
Net loan originations	4,160	7,798
Proceeds from sale of OREO properties	370	801
Proceeds from sale of premises and equipment	118	6
Purchases of office premises and equipment	(429)	(599)
Net cash provided by investing activities	1,165	803
Cash flows provided by financing activities
Repayment of FHLB borrowings	(17)	(17)
Net change in deposits	11,816	(3,992)
Net change in securities sold under agreements to repurchase	(3,798)	(2,919)
Cash dividends paid on common stock and preferred stock	(1,119)	(1,042)
Net cash provided by (used for) financing activities	6,882	(7,970)
Net change in cash and due from financial institutions	15,973	2,062
Cash and cash equivalents at beginning of period	46,131	52,127
Cash and cash equivalents at end of period	62,104	54,189
Cash paid during the period for:
Interest	2,559	3,328
Income taxes	1,010	300
Supplemental cash flow information:
Transfer of loans from portfolio to OREO	$ 187	$ 144