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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Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Goodwill and Intangible Assets
Goodwill	$ 40,311		$ 40,311		$ 40,231
Intangible assets, net	1,243		1,243		$ 1,383
Intangible assets, accumulated amortization	630		630
Amortization of intangible assets	47	$ 34	$ 141	$ 102
Core deposits \| Maximum
Goodwill and Intangible Assets
Estimated useful life			10 years
Service 1st Bank
Goodwill and Intangible Assets
Goodwill	14,643		$ 14,643
Bank of Madera County
Goodwill and Intangible Assets
Goodwill	8,934		8,934
Visalia Community Bank
Goodwill and Intangible Assets
Goodwill	6,340		6,340
Visalia Community Bank \| Core deposits
Goodwill and Intangible Assets
Core deposit relationships acquired			1,365
Sierra Vista Bank
Goodwill and Intangible Assets
Goodwill	$ 10,394		10,394
Sierra Vista Bank \| Core deposits
Goodwill and Intangible Assets
Core deposit relationships acquired			$ 508