Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

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No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Line Items]
Goodwill	$ 29,917	$ 29,917	$ 29,917	$ 23,577
Core deposit intangibles	1,024	1,344
Intangible assets, accumulated amortization	1,741	1,421
Amortization of core deposit intangibles	320	$ 337	$ 268
Visalia Community Bank
Goodwill [Line Items]
Goodwill	6,340
Service 1st Bank
Goodwill [Line Items]
Goodwill	14,643
Bank of Madera County
Goodwill [Line Items]
Goodwill	$ 8,934
Core deposits
Goodwill [Line Items]
Acquired finite-lived intangible assets useful life	7 years
Core deposits \| Visalia Community Bank
Goodwill [Line Items]
Acquired finite-lived intangible assets	$ 1,365
Core deposits \| Service 1st Bank
Goodwill [Line Items]
Intangible assets, gross	$ 1,400
Minimum \| Core deposits
Goodwill [Line Items]
Estimated useful life of intangible asset	7 years
Maximum \| Core deposits
Goodwill [Line Items]
Estimated useful life of intangible asset	10 years