Goodwill and Intangible Assets (Details) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2007	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill		$ 4,488,000		$ 4,488,000		$ 4,488,000
Total goodwill and intangible assets		4,643,000		4,643,000		4,737,000
Legacy Merger [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase price allocation, goodwill amount		2,900,000		2,900,000
Taft Branch [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Date of acquisition agreement				Apr. 30, 2004
Core Deposits Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible assets		155,000		155,000		249,000
Total amount of core deposit intangible asset at the time of merger	3,000,000
Estimated life of amortization	7 years
Impairment losses		0	0	0	0
Core Deposits Intangible Assets [Member] | Legacy Merger [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization expense		0		0	12,000
Core Deposits Intangible Assets [Member] | Taft Branch [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible assets		$ 155,000		$ 155,000