Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Feb. 28, 2014	Dec. 31, 2013
Summary of investment securities
Available-for-sale Securities, Amortized Cost	$ 164,487	$ 10,000	$ 165,219
Available-for-sale Securities ,Gross Unrealized Gains	1,546		1,221
Available-for-sale Securities, Gross Unrealized Losses	3,508		5,554
Available-for-sale securities, Fair value Disclosure	162,525		160,886
U.S.Treasury securities
Summary of investment securities
Available-for-sale Securities, Amortized Cost	105		107
Available-for-sale Securities ,Gross Unrealized Gains	4		5
Available-for-sale Securities, Gross Unrealized Losses
Available-for-sale securities, Fair value Disclosure	109		112
U.S. Government agencies and corporations
Summary of investment securities
Available-for-sale Securities, Amortized Cost	8,599		9,259
Available-for-sale Securities ,Gross Unrealized Gains	5
Available-for-sale Securities, Gross Unrealized Losses	159		312
Available-for-sale securities, Fair value Disclosure	8,445		8,947
Obligations of states and political subdivisions
Summary of investment securities
Available-for-sale Securities, Amortized Cost	48,041		44,575
Available-for-sale Securities ,Gross Unrealized Gains	861		467
Available-for-sale Securities, Gross Unrealized Losses	717		1,507
Available-for-sale securities, Fair value Disclosure	48,185		43,535
U.S. Government-sponsored mortgage-backed securities
Summary of investment securities
Available-for-sale Securities, Amortized Cost	86,800		79,255
Available-for-sale Securities ,Gross Unrealized Gains	611		644
Available-for-sale Securities, Gross Unrealized Losses	1,545		1,877
Available-for-sale securities, Fair value Disclosure	85,866		78,022
U.S. Government-sponsored collateralized mortgage obligations
Summary of investment securities
Available-for-sale Securities, Amortized Cost	16,168		17,120
Available-for-sale Securities ,Gross Unrealized Gains	65		105
Available-for-sale Securities, Gross Unrealized Losses	105		140
Available-for-sale securities, Fair value Disclosure	16,128		17,085
Trust preferred securities
Summary of investment securities
Available-for-sale Securities, Amortized Cost	1,725		11,854
Available-for-sale Securities ,Gross Unrealized Gains
Available-for-sale Securities, Gross Unrealized Losses	982		1,718
Available-for-sale securities, Fair value Disclosure	743		10,136
Total debt securities
Summary of investment securities
Available-for-sale Securities, Amortized Cost	161,438		162,170
Available-for-sale Securities ,Gross Unrealized Gains	1,546		1,221
Available-for-sale Securities, Gross Unrealized Losses	3,508		5,554
Available-for-sale securities, Fair value Disclosure	159,476		157,837
Federal Home Loan Bank (FHLB) stock
Summary of investment securities
Available-for-sale Securities, Amortized Cost	2,823		2,823
Available-for-sale Securities ,Gross Unrealized Gains
Available-for-sale Securities, Gross Unrealized Losses
Available-for-sale securities, Fair value Disclosure	2,823		2,823
Federal Reserve Bank (FRB) stock
Summary of investment securities
Available-for-sale Securities, Amortized Cost	226		226
Available-for-sale Securities ,Gross Unrealized Gains
Available-for-sale Securities, Gross Unrealized Losses
Available-for-sale securities, Fair value Disclosure	226		226
Total regulatory stock
Summary of investment securities
Available-for-sale Securities, Amortized Cost	3,049		3,049
Available-for-sale Securities ,Gross Unrealized Gains
Available-for-sale Securities, Gross Unrealized Losses
Available-for-sale securities, Fair value Disclosure	$ 3,049		$ 3,049