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Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Impairment Effects on Earnings Per Share [Line Items]
Additions due to acquisitions	$ 102,115

X

- Definition

Additions due to acquisitions

+ References

No definition available.

+ Details

Name:	cvbf_AdditionsDueToAcquisitions
Namespace Prefix:	cvbf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_ImpairmentEffectsOnEarningsPerShareLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration