Securities (Unrealized Gain (Loss) on Investments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Schedule of Investments [Line Items]
Amortized Cost	$ 144,696	$ 157,288
Gross Unrealized Gains	7,834	8,520
Gross Unrealized Losses	12	18
Fair Value	152,518	165,790	206,912
Amortized Cost	61,262	50,159	10,028
Gross Unrealized Gains	663	834
Gross Unrealized Losses	182	13
Fair Value	61,743	50,980	10,641
U.S. Government and agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	21,192	23,225
Gross Unrealized Gains	897	1,016
Fair Value	22,089	24,241
Amortized Cost	30,099	30,115
Gross Unrealized Gains	426	536
Gross Unrealized Losses	98	6
Fair Value	30,427	30,645
Mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	68,148	75,816
Gross Unrealized Gains	4,245	4,767
Fair Value	72,393	80,583
Amortized Cost	31,163	20,044
Gross Unrealized Gains	237	298
Gross Unrealized Losses	84	7
Fair Value	31,316	20,335
State and municipal [Member]
Schedule of Investments [Line Items]
Amortized Cost	47,679	49,568
Gross Unrealized Gains	2,147	2,246
Gross Unrealized Losses	12	10
Fair Value	49,814	51,804
Corporate bonds [Member]
Schedule of Investments [Line Items]
Amortized Cost	6,006	7,008
Gross Unrealized Gains	276	286
Gross Unrealized Losses		8
Fair Value	6,282	7,286
CRA mutual fund [Member]
Schedule of Investments [Line Items]
Amortized Cost	1,044	1,044
Gross Unrealized Gains	43	52
Fair Value	1,087	1,096
Stock in other banks [Member]
Schedule of Investments [Line Items]
Amortized Cost	627	627
Gross Unrealized Gains	226	153
Fair Value	$ 853	$ 780