Goodwill and Intangible Assets (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 4,488,000			$ 4,488,000		$ 4,488,000
Legacy merger
Acquired Finite-Lived Intangible Assets [Line Items]
Purchase price allocation, goodwill amount	2,900,000			$ 2,900,000
Goodwill, impairment loss		$ 0	$ 0
Taft branch
Acquired Finite-Lived Intangible Assets [Line Items]
Date of acquisition agreement				Apr. 30, 2004
Core deposits intangible assets
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 life of amortization				7 years
Core deposits intangible assets | Legacy merger
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	0			$ 0	$ 0
Core deposits intangible assets | Taft branch
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible assets	$ 0			$ 0