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Merger - Schedule of Merger-Related One-Time and Conversion Costs (Details) - American River Bank (ARB) Merger - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Total merger-related one-time and conversion costs	$ 6,458	$ 0
Personnel and severance
Restructuring Cost and Reserve [Line Items]
Total merger-related one-time and conversion costs	3,005	0
Professional services
Restructuring Cost and Reserve [Line Items]
Total merger-related one-time and conversion costs	1,976	0
Data processing
Restructuring Cost and Reserve [Line Items]
Total merger-related one-time and conversion costs	1,127	0
Other expense
Restructuring Cost and Reserve [Line Items]
Total merger-related one-time and conversion costs	$ 350	$ 0

X

- Definition

The amount of cash paid during the reporting period for charges associated with the mergers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585

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- Definition

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+ References

No definition available.

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