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Business Segments (Details Textual) | 6 Months Ended
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Jun. 30, 2012 Segment Banking_Centers Financial_Centers
Business Segments (Textual) [Abstract] |
Number of principal reporting segment | 2
Bank operated business financial centers, number | 42
Bank operated commercial banking centers, number | 5
Consideration of business financial and commercial banking center | 1

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- Definition Bank operated business financial centers, number. + References No definition available. + Details
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Namespace Prefix: | cvbf_
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Period Type: | instant

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- Definition Bank operated commercial banking centers, number. + References No definition available. + Details
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Namespace Prefix: | cvbf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
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- Definition Consideration of business financial and commercial banking center. + References No definition available. + Details
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Balance Type: | na
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- Definition Number of principal reporting segment. + References No definition available. + Details
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