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Security Types (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
US Government and Government Agencies and Authorities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value	$ 0	$ 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value	0	0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value	23,744	20,065
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	22,079	19,460
Available-for-sale Securities, Fair Value, Total	45,823	39,525
Available-for-sale Securities, Gross Unrealized Gain	0	187
Available-for-sale Securities, Gross Unrealized Losses	3,253	19
Available-for-sale Securities, Amortized Cost Basis	49,076	39,357
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value	0	0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value	0	0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value	3,679	4,700
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	142,311	136,760
Available-for-sale Securities, Fair Value, Total	145,990	141,460
Available-for-sale Securities, Gross Unrealized Gain	1,196	3,012
Available-for-sale Securities, Gross Unrealized Losses	3,179	162
Available-for-sale Securities, Amortized Cost Basis	147,973	138,610
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value	0	111
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value	2,096	1,830
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value	19,739	21,006
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	45,077	54,891
Available-for-sale Securities, Fair Value, Total	66,912	77,838
Available-for-sale Securities, Gross Unrealized Gain	1,998	5,222
Available-for-sale Securities, Gross Unrealized Losses	399	0
Available-for-sale Securities, Amortized Cost Basis	65,313	72,616
Trust Preferred Securities Individual Issuer [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value	0	0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value	0	0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value	0	0
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	742	652
Available-for-sale Securities, Fair Value, Total	742	652
Available-for-sale Securities, Gross Unrealized Gain	164	113
Available-for-sale Securities, Gross Unrealized Losses	115	154
Available-for-sale Securities, Amortized Cost Basis	693	693
Security Maturities, Total [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value	0	111
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value	2,096	1,830
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value	47,162	45,771
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	210,209	211,763
Available-for-sale Securities, Fair Value, Total	259,467	259,475
Available-for-sale Securities, Gross Unrealized Gain	3,358	8,534
Available-for-sale Securities, Gross Unrealized Losses	6,946	335
Available-for-sale Securities, Amortized Cost Basis	$ 263,055	$ 251,276

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