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Loans and Lease Finance Receivables and Allowance for Loan Losses - Summary of Components of Loan and Lease Finance Receivables, Excluding PCI Loans (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans, excluding PCI loans | $ 2,780,000 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount |  |  |
Gross loans, excluding PCI loans, net of deferred loan fees | 3,817,067 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome | 3,546,231 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |  |
Less: Allowance for loan losses | (59,825)us-gaap_LoansAndLeasesReceivableAllowance | (75,235)us-gaap_LoansAndLeasesReceivableAllowance |  |
Total loans and lease finance receivables | 3,757,242 us-gaap_LoansAndLeasesReceivableNetReportedAmount | 3,470,996 us-gaap_LoansAndLeasesReceivableNetReportedAmount |  |
Loans, Excluding PCI Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Commercial and industrial | 390,011 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 376,800 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
SBA | 134,265 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 135,992 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Commercial real estate | 2,487,803 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 2,207,515 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Construction | 55,173 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 47,109 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
SFR mortgage | 205,124 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 189,233 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Dairy & livestock and agribusiness | 279,173 us-gaap_LoansReceivableCommercialFinancialAndAgricultural / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 294,292 us-gaap_LoansReceivableCommercialFinancialAndAgricultural / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Municipal lease finance receivables | 77,834 us-gaap_LoansAndLeasesReceivableCommercialGovernments / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 89,106 us-gaap_LoansAndLeasesReceivableCommercialGovernments / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Consumer and other loans | 69,884 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 55,103 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Gross loans, excluding PCI loans | 3,699,267 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 3,395,150 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Less: Deferred loan fees, net | (8,567)us-gaap_LoansAndLeasesReceivableDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (9,234)us-gaap_LoansAndLeasesReceivableDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Gross loans, excluding PCI loans, net of deferred loan fees | 3,690,700 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 3,385,916 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Less: Allowance for loan losses | (59,825)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (75,235)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (92,441)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (93,964)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember
Net PCI loans | 3,630,875 cvbf_LoansAndLeasesReceivableNetAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 3,310,681 cvbf_LoansAndLeasesReceivableNetAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
PCI Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Commercial and industrial | 14,605 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 19,047 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
PCI Loans | 133,496 cvbf_GrossPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 173,104 cvbf_GrossPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
SBA | 1,110 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 1,414 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Discount on PCI loans | (7,129)cvbf_DiscountOnPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | (12,789)cvbf_DiscountOnPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Commercial real estate | 109,350 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 141,141 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Construction | 0 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 644 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
SFR mortgage | 205 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 313 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Dairy & livestock and agribusiness | 4,890 us-gaap_LoansReceivableCommercialFinancialAndAgricultural / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 6,000 us-gaap_LoansReceivableCommercialFinancialAndAgricultural / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Municipal lease finance receivables | 0 us-gaap_LoansAndLeasesReceivableCommercialGovernments / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 0 us-gaap_LoansAndLeasesReceivableCommercialGovernments / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Consumer and other loans | 3,336 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 4,545 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Net PCI loans | $ 126,367 cvbf_LoansAndLeasesReceivableNetAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | $ 160,315 cvbf_LoansAndLeasesReceivableNetAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |

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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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- Definition Amount before allowance of commercial loans, including, but not limited to, letters of credit, bankers' acceptances, receivables factoring, open account financing, for international trade activities. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5066-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)(7)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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