Goodwill and Intangible Assets (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Mar. 31, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Total amount of core deposit intangible asset at the time of merger	$ 3,000,000		$ 3,000,000
Estimated value of core deposits intangible assets						226,000
Pre-tax impairment loss on core deposit intangible	0	0	0	36,000
Goodwill	4,488,000		4,488,000		4,488,000
Total goodwill and intangible assets	4,792,000		4,792,000		5,041,000
Business Acquisition [Line Items]
Impairment charge	0	0	0	1,489,000
Legacy Merger [Member]
Business Acquisition [Line Items]
Date of acquisition agreement			Feb. 28, 2007
Purchase price allocation, goodwill amount	2,900,000		2,900,000
Core Deposits Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible assets	295,000		295,000		447,000
Estimated life of amortization			7 years
Amortization of intangibles			12,000	229,000
Pre-adjustment carrying value of core deposit intangible assets						262,000
Pre-tax impairment loss on core deposit intangible				36,000
Impairment loss on core deposit intangible, net of tax				21,000
Other Identified Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible assets	$ 9,000		$ 9,000		$ 106,000