Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Security	Dec. 31, 2012	Dec. 31, 2011
Investment securities available-for-sale [Abstract]
Amortized cost	$ 174,333	$ 181,434
Unrealized gains	1,181	3,323
Unrealized losses	(2,245)	(266)
Estimated fair value	173,269	184,491
Gross realized gains from available-for-sale securities	4	20	930
Gross realized losses from available-for-sale securities	0	12	0
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, by Contractual Maturity [Abstract]
Due in one year or less, Amortized cost	14,663
Due after one year through five years, Amortized cost	122,489
Due after five years through ten years, Amortized cost	31,595
Due after ten years, Amortized cost	5,586
Amortized cost	174,333	181,434
Available-for-sale Securities, Debt Maturities, Fair Value, by Contractual Maturity [Abstract]
Due in one year or less, Estimated fair value	14,635
Due after one year through five years, Estimated fair value	122,229
Due after five years through ten years, Estimated fair value	30,867
Due after ten years, Estimated fair value	5,538
Estimated fair value	173,269	184,491
Mortgage backed securities with expected maturities due after one year through five years	93,196
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, Fair Value	77,680	32,239
Less than 12 months, Unrealized losses	(2,076)	(266)
12 months or more, Fair Value	6,932	0
12 Months or more, Unrealized losses	(169)	0
Total Fair Value	84,612	32,239
Total Unrealized losses	(2,245)	(266)
Investment securities in an unrealized loss position less than 12 months	62
Investment securities in an unrealized loss position more than 12 months	6
Investment securities pledged as collateral	28,773	32,227
U.S. Treasury Securities [Member]
Investment securities available-for-sale [Abstract]
Amortized cost		997
Unrealized gains		8
Unrealized losses		0
Estimated fair value		1,005
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, by Contractual Maturity [Abstract]
Amortized cost		997
Available-for-sale Securities, Debt Maturities, Fair Value, by Contractual Maturity [Abstract]
Estimated fair value		1,005
Securities of U.S. Government Agencies and Corporations [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	53,960	28,200
Unrealized gains	8	105
Unrealized losses	(1,283)	0
Estimated fair value	52,685	28,305
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, by Contractual Maturity [Abstract]
Amortized cost	53,960	28,200
Available-for-sale Securities, Debt Maturities, Fair Value, by Contractual Maturity [Abstract]
Estimated fair value	52,685	28,305
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, Fair Value	46,654
Less than 12 months, Unrealized losses	(1,283)
12 months or more, Fair Value	0
12 Months or more, Unrealized losses	0
Total Fair Value	46,654
Total Unrealized losses	(1,283)
Obligations of States and Political Subdivisions [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	27,528	27,226
Unrealized gains	409	1,563
Unrealized losses	(550)	(3)
Estimated fair value	27,387	28,786
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, by Contractual Maturity [Abstract]
Amortized cost	27,528	27,226
Available-for-sale Securities, Debt Maturities, Fair Value, by Contractual Maturity [Abstract]
Estimated fair value	27,387	28,786
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, Fair Value	11,871	1,262
Less than 12 months, Unrealized losses	(550)	(3)
12 months or more, Fair Value	0	0
12 Months or more, Unrealized losses	0	0
Total Fair Value	11,871	1,262
Total Unrealized losses	(550)	(3)
Collateralized Mortgage Obligations [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	5,359	8,156
Unrealized gains	46	123
Unrealized losses	0	(1)
Estimated fair value	5,405	8,278
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, by Contractual Maturity [Abstract]
Amortized cost	5,359	8,156
Available-for-sale Securities, Debt Maturities, Fair Value, by Contractual Maturity [Abstract]
Estimated fair value	5,405	8,278
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, Fair Value		1,198
Less than 12 months, Unrealized losses		(1)
12 months or more, Fair Value		0
12 Months or more, Unrealized losses		0
Total Fair Value		1,198
Total Unrealized losses		(1)
Mortgage-backed Securities [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	87,486	116,855
Unrealized gains	718	1,524
Unrealized losses	(412)	(262)
Estimated fair value	87,792	118,117
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, by Contractual Maturity [Abstract]
Amortized cost	87,486	116,855
Available-for-sale Securities, Debt Maturities, Fair Value, by Contractual Maturity [Abstract]
Estimated fair value	87,792	118,117
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, Fair Value	19,155	29,779
Less than 12 months, Unrealized losses	(243)	(262)
12 months or more, Fair Value	6,932	0
12 Months or more, Unrealized losses	(169)	0
Total Fair Value	26,087	29,779
Total Unrealized losses	$ (412)	$ (262)