Securities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Amortized Cost	$ 156,613	$ 178,730
Fair Value	161,407	182,626	159,870
Unrealized Gain	5,056	5,022
Unrealized (losses)	(262)	(1,126)
Amortized Cost	56,123	57,988	57,533
Fair Value	61,877	62,754	61,512
Unrealized Gain	5,754	4,766
Unrealized (losses)
US Government-sponsored enterprises securities
Amortized Cost	20,500	34,511
Fair Value	20,614	34,665
Unrealized Gain	114	170
Unrealized (losses)		(16)
Mortgage-backed securities
Amortized Cost	124,164	120,032
Fair Value	128,533	124,105
Unrealized Gain	4,369	4,164
Unrealized (losses)		(91)
Corporate bonds
Amortized Cost	3,997	13,189
Fair Value	3,857	12,488
Unrealized Gain	100	279
Unrealized (losses)	(240)	(980)
Equity securities
Amortized Cost	7,952	10,998
Fair Value	8,403	11,368
Unrealized Gain	473	409
Unrealized (losses)	(22)	(39)
States and local governments
Amortized Cost	56,123	57,988
Fair Value	61,877	62,754
Unrealized Gain	5,754	4,766
Unrealized (losses)