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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
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Impairment Effects on Earnings Per Share [Line Items] |  |
Additions due to acquisitions | $ 102,115 |

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- 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