Securities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Securities available for sale:
Amortized Cost	$ 174,553	$ 164,063
Fair Value	172,535	167,352	161,407
Unrealized Gain	1,812	3,904
Unrealized (losses)	(3,830)	(615)
Securities held to maturity:
Amortized Cost	54,054	56,064	56,123
Fair Value	56,824	61,496	61,877
Unrealized Gain	2,779	5,432
Unrealized (losses)	(9)
US Government-sponsored enterprises securities
Securities available for sale:
Amortized Cost	17,500	11,500
Fair Value	17,361	11,596
Unrealized Gain	27	96
Unrealized (losses)	(166)
Mortgage-backed securities
Securities available for sale:
Amortized Cost	149,070	143,539
Fair Value	147,523	146,926
Unrealized Gain	1,702	3,717
Unrealized (losses)	(3,249)	(330)
Corporate bonds
Securities available for sale:
Amortized Cost	3,998	3,998
Fair Value	3,651	3,813
Unrealized Gain	53	75
Unrealized (losses)	(400)	(260)
Equities
Securities available for sale:
Amortized Cost	3,985	5,026
Fair Value	4,000	5,017
Unrealized Gain	30	16
Unrealized (losses)	(15)	(25)
States and local governments
Securities held to maturity:
Amortized Cost	54,054	56,064
Fair Value	56,824	61,496
Unrealized Gain	2,779	5,432
Unrealized (losses)	$ (9)