Acquisition of Visalia Community Bank - Summary of consideration paid, assets acquired and liabilities assumed (Details) (USD $)			1 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Jul. 31, 2013 Visalia Community Bank
Merger consideration:
Cash			$ 11,050,000
Recognized amounts of identifiable assets acquired and liabilities assumed
Core deposit intangible			1,365,000
Total assets acquired			197,286,000
Goodwill	$ 29,917,000	$ 29,917,000	$ 6,199,000