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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 | Mar. 31, 2015 | Dec. 31, 2014 | Mar. 31, 2014 | Dec. 31, 2013
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans, excluding PCI loans, net of deferred loan fees | $ 3,716,023 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome | $ 3,817,067 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |  |
Less: Allowance for loan losses | (60,709)us-gaap_LoansAndLeasesReceivableAllowance | (59,825)us-gaap_LoansAndLeasesReceivableAllowance |  |
Total loans and lease finance receivables | 3,655,314 us-gaap_LoansAndLeasesReceivableNetReportedAmount | 3,757,242 us-gaap_LoansAndLeasesReceivableNetReportedAmount |  |
Loans, Excluding PCI Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Commercial and industrial | 403,600 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 390,011 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
SBA | 126,385 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 134,265 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Commercial real estate | 2,499,183 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 2,487,803 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Construction | 55,346 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 55,173 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
SFR mortgage | 205,132 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 205,124 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Dairy & livestock and agribusiness | 173,441 us-gaap_LoansReceivableCommercialFinancialAndAgricultural / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 279,173 us-gaap_LoansReceivableCommercialFinancialAndAgricultural / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Municipal lease finance receivables | 76,220 us-gaap_LoansAndLeasesReceivableCommercialGovernments / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 77,834 us-gaap_LoansAndLeasesReceivableCommercialGovernments / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Consumer and other loans | 70,749 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 69,884 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Gross loans, excluding PCI loans | 3,610,056 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 3,699,267 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Less: Deferred loan fees, net | (8,451)us-gaap_LoansAndLeasesReceivableDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (8,567)us-gaap_LoansAndLeasesReceivableDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Gross loans, excluding PCI loans, net of deferred loan fees | 3,601,605 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 3,690,700 us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
Less: Allowance for loan losses | (60,709)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (59,825)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (68,725)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | (75,235)us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember
Net PCI loans | 3,540,896 cvbf_LoansAndLeasesReceivableNetAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember | 3,630,875 cvbf_LoansAndLeasesReceivableNetAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_LoansExcludingPurchasedCreditImpairedLoansMember |  |
PCI Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Commercial and industrial | 13,988 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 14,605 us-gaap_LoansReceivableCommercialAndIndustrial / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
PCI Loans | 121,030 cvbf_GrossPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 133,496 cvbf_GrossPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
SBA | 1,073 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 1,110 us-gaap_LoansReceivableCommercialTradeFinancing / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Discount on PCI loans | (6,612)cvbf_DiscountOnPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | (7,129)cvbf_DiscountOnPurchasedCreditImpairedLoans / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Commercial real estate | 102,445 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 109,350 us-gaap_LoansReceivableCommercialMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Construction | 0 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 0 cvbf_LoansReceivableConstruction / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
SFR mortgage | 197 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 205 us-gaap_LoansAndLeasesReceivableConsumerMortgage / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Dairy & livestock and agribusiness | 330 us-gaap_LoansReceivableCommercialFinancialAndAgricultural / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 4,890 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 | 2,997 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | 3,336 us-gaap_LoansAndLeasesReceivableConsumerOther / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember |  |
Net PCI loans | $ 114,418 cvbf_LoansAndLeasesReceivableNetAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = cvbf_PurchasedCreditImpairedLoansMember | $ 126,367 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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