XML 28 R89.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Commitments and Contingencies - Additional Information (Detail) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Contingencies And Commitments [Line Items] |  |
Commitments to extend credit | $ 512,100,000 | $ 585,200,000
Obligations under letters of credit | 42,200,000 | 66,800,000
Reserve for undisbursed commitments | 8,600,000 | 9,600,000
Available line of credit | 2,630,000,000 |
Secured [Member] |  |
Contingencies And Commitments [Line Items] |  |
Available line of credit | $ 2,180,000,000 |

X
- Definition Commitments to extend credit. + References No definition available. + Details
Name: | cvbf_CommitmentsToExtendCredit
Namespace Prefix: | cvbf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Reserve for undisbursed commitments. + References No definition available. + Details
Name: | cvbf_ReserveForUndisbursedCommitments
Namespace Prefix: | cvbf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant