Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	$ 232,097	$ 196,777
Available-for-Sale Securities, Gross Unrealized Gains	7,688	5,020
Available-for-Sale Securities, Gross Unrealized Losses	(464)	(3,627)
Available-for-Sale Securities, Fair Value	239,321us-gaap_AvailableForSaleSecurities	198,170us-gaap_AvailableForSaleSecurities
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost	313us-gaap_HeldToMaturitySecurities	387us-gaap_HeldToMaturitySecurities
Held-to-Maturity Securities, Gross Unrealized Gains	3	6
Held-to-Maturity Securities, Gross Unrealized Losses	(8)	0
Held-to-Maturity Securities, Fair Value	308	393
Obligations of U.S. government corporations and agencies
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	1,000	5,000
Available-for-Sale Securities, Gross Unrealized Gains	0	0
Available-for-Sale Securities, Gross Unrealized Losses	(20)	(79)
Available-for-Sale Securities, Fair Value	980	4,921
Mortgage-backed securities - residential
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	58,380	41,368
Available-for-Sale Securities, Gross Unrealized Gains	1,476	765
Available-for-Sale Securities, Gross Unrealized Losses	0	(841)
Available-for-Sale Securities, Fair Value	59,856	41,292
REMICs
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	1,820
Available-for-Sale Securities, Gross Unrealized Gains	19
Available-for-Sale Securities, Gross Unrealized Losses	0
Available-for-Sale Securities, Fair Value	1,839
Collateralized mortgage obligations
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	80,252	59,865
Available-for-Sale Securities, Gross Unrealized Gains	1,280	739
Available-for-Sale Securities, Gross Unrealized Losses	(411)	(763)
Available-for-Sale Securities, Fair Value	81,121	59,841
Trust preferred stock and preferred stock
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	0	3,264
Available-for-Sale Securities, Gross Unrealized Gains	1	683
Available-for-Sale Securities, Gross Unrealized Losses	0	(993)
Available-for-Sale Securities, Fair Value	1	2,954
Corporate bonds
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	6,913	8,854
Available-for-Sale Securities, Gross Unrealized Gains	85	129
Available-for-Sale Securities, Gross Unrealized Losses	(6)	(41)
Available-for-Sale Securities, Fair Value	6,992	8,942
Obligations of state and political subdivisions
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	83,732	78,426
Available-for-Sale Securities, Gross Unrealized Gains	4,827	2,704
Available-for-Sale Securities, Gross Unrealized Losses	(27)	(910)
Available-for-Sale Securities, Fair Value	88,532	80,220
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost	155	186
Held-to-Maturity Securities, Gross Unrealized Gains	0	0
Held-to-Maturity Securities, Gross Unrealized Losses	0	0
Held-to-Maturity Securities, Fair Value	155	186
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost	26	31
Held-to-Maturity Securities, Gross Unrealized Gains	0	0
Held-to-Maturity Securities, Gross Unrealized Losses	(8)	0
Held-to-Maturity Securities, Fair Value	18	31
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost	93	120
Held-to-Maturity Securities, Gross Unrealized Gains	2	4
Held-to-Maturity Securities, Gross Unrealized Losses	0	0
Held-to-Maturity Securities, Fair Value	95	124
Government National Mortgage Association Certificates and Obligations (GNMA) [Member]
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost	39	50
Held-to-Maturity Securities, Gross Unrealized Gains	1	2
Held-to-Maturity Securities, Gross Unrealized Losses	0	0
Held-to-Maturity Securities, Fair Value	$ 40	$ 52

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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