XML 19 R70.htm IDEA: XBRL DOCUMENT
v2.4.0.6

FDIC Loss Sharing Asset and Other Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Schedule Of Other Assets [Line Items] |  |
Claims submitted for losses on covered loans | $ 123.3 |
Prepaid FDIC insurance assessments | $ 8.4 | $ 12.2

X
- Definition Claims submitted for losses on covered loans. + References No definition available. + Details
Name: | cvbf_ClaimsSubmittedForLossesOnCoveredLoans
Namespace Prefix: | cvbf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Prepaid FDIC Insurance Assessments. + References No definition available. + Details
Name: | cvbf_PrepaidFdicInsuranceAssessments
Namespace Prefix: | cvbf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | cvbf_ScheduleOfOtherAssetsLineItems
Namespace Prefix: | cvbf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration