Securities (Unrealized Gain (Loss) on Investments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Schedule of Investments [Line Items]
Amortized Cost	$ 166,231	$ 200,144
Gross Unrealized Gains	9,678	9,123
Gross Unrealized Losses	20	40
Fair Value	175,889	209,227	209,335
Amortized Cost	48,016	10,032	10,035
Gross Unrealized Gains	955
Fair Value	48,971	10,680	10,758
U.S. Government and agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	24,257	39,237
Gross Unrealized Gains	1,090	932
Fair Value	25,347	40,169
Amortized Cost	29,130	10,032
Gross Unrealized Gains	581	648
Fair Value	29,711	10,680
Mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	84,532	102,059
Gross Unrealized Gains	5,810	5,473
Gross Unrealized Losses		5
Fair Value	90,342	107,527
Amortized Cost	18,886
Gross Unrealized Gains	374
Fair Value	19,260
State and municipal [Member]
Schedule of Investments [Line Items]
Amortized Cost	48,759	44,072
Gross Unrealized Gains	2,211	2,250
Gross Unrealized Losses	20	5
Fair Value	50,950	46,317
Corporate bonds [Member]
Schedule of Investments [Line Items]
Amortized Cost	7,012	13,105
Gross Unrealized Gains	343	304
Gross Unrealized Losses		30
Fair Value	7,355	13,379
CRA mutual fund [Member]
Schedule of Investments [Line Items]
Amortized Cost	1,044	1,044
Gross Unrealized Gains	58	37
Fair Value	1,102	1,081
Stock in other banks [Member]
Schedule of Investments [Line Items]
Amortized Cost	627	627
Gross Unrealized Gains	166	127
Fair Value	$ 793	$ 754