XML 58 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans, Allowance for Loan and Lease Losses, and Reserve for Off-Balance Sheet Credit Commitments (Detail) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Dec. 31, 2013
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 20,910,355,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount $ 20,337,206,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount $ 17,751,385,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount  
Less: Allowance for loan and lease losses (308,858,000)us-gaap_LoansAndLeasesReceivableAllowance (310,149,000)us-gaap_LoansAndLeasesReceivableAllowance (305,790,000)us-gaap_LoansAndLeasesReceivableAllowance (302,584,000)us-gaap_LoansAndLeasesReceivableAllowance
Loans and leases, excluding covered loans, net 20,601,497,000us-gaap_LoansAndLeasesReceivableNetReportedAmount 20,027,057,000us-gaap_LoansAndLeasesReceivableNetReportedAmount    
Covered loans 480,236,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered 510,979,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered    
Less: Allowance for loan losses (9,752,000)us-gaap_LoansAndLeasesReceivableAllowanceCovered (8,608,000)us-gaap_LoansAndLeasesReceivableAllowanceCovered (18,439,000)us-gaap_LoansAndLeasesReceivableAllowanceCovered (15,922,000)us-gaap_LoansAndLeasesReceivableAllowanceCovered
Covered loans, net 470,484,000us-gaap_LoansAndLeasesReceivableNetReportedAmountCovered 502,371,000us-gaap_LoansAndLeasesReceivableNetReportedAmountCovered    
Total loans and leases 21,390,591,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome 20,848,185,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome    
Net loans and leases 21,071,981,000us-gaap_LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered 20,529,428,000us-gaap_LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered    
Net deferred costs (fees) (100,000)us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums 200,000us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums    
FDIC indemnification asset 43,256,000us-gaap_FDICIndemnificationAsset 50,511,000us-gaap_FDICIndemnificationAsset    
FDIC clawback liability 15,963,000cyn_FDICLiabilityFairValueDisclosure      
Imperial Capital Bank        
Accounts notes and loans receivable        
Covered loans 429,570,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_ImperialCapitalBankMember
456,177,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_ImperialCapitalBankMember
   
FDIC indemnification asset 38,935,000us-gaap_FDICIndemnificationAsset
/ us-gaap_BusinessAcquisitionAxis
= cyn_ImperialCapitalBankMember
     
1st Pacific Bank        
Accounts notes and loans receivable        
Covered loans 22,787,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_FirstPacificBankMember
23,895,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_FirstPacificBankMember
   
FDIC indemnification asset 1,596,000us-gaap_FDICIndemnificationAsset
/ us-gaap_BusinessAcquisitionAxis
= cyn_FirstPacificBankMember
     
FDIC clawback liability 13,159,000cyn_FDICLiabilityFairValueDisclosure
/ us-gaap_BusinessAcquisitionAxis
= cyn_FirstPacificBankMember
     
Sun West Bank        
Accounts notes and loans receivable        
Covered loans 8,497,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_SunWestBankMember
9,353,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_SunWestBankMember
   
FDIC indemnification asset 276,000us-gaap_FDICIndemnificationAsset
/ us-gaap_BusinessAcquisitionAxis
= cyn_SunWestBankMember
     
FDIC clawback liability 2,599,000cyn_FDICLiabilityFairValueDisclosure
/ us-gaap_BusinessAcquisitionAxis
= cyn_SunWestBankMember
     
Nevada Commerce Bank        
Accounts notes and loans receivable        
Covered loans 19,382,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_NevadaCommerceBankMember
21,554,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_BusinessAcquisitionAxis
= cyn_NevadaCommerceBankMember
   
FDIC indemnification asset 2,449,000us-gaap_FDICIndemnificationAsset
/ us-gaap_BusinessAcquisitionAxis
= cyn_NevadaCommerceBankMember
     
FDIC clawback liability 205,000cyn_FDICLiabilityFairValueDisclosure
/ us-gaap_BusinessAcquisitionAxis
= cyn_NevadaCommerceBankMember
     
Commercial        
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 9,455,621,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
9,360,976,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
   
Covered loans 2,153,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
1,969,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
   
Commercial | Imperial Capital Bank        
Accounts notes and loans receivable        
Sharing of recoveries with FDIC on expiration date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnExpirationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_ImperialCapitalBankMember
     
Sharing of recoveries with FDIC on termination date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnTerminationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_ImperialCapitalBankMember
     
Commercial | 1st Pacific Bank        
Accounts notes and loans receivable        
Sharing of recoveries with FDIC on expiration date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnExpirationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_FirstPacificBankMember
     
Sharing of recoveries with FDIC on termination date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnTerminationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_FirstPacificBankMember
     
Commercial | Sun West Bank        
Accounts notes and loans receivable        
Sharing of recoveries with FDIC on expiration date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnExpirationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_SunWestBankMember
     
Sharing of recoveries with FDIC on termination date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnTerminationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_SunWestBankMember
     
Commercial | Nevada Commerce Bank        
Accounts notes and loans receivable        
Sharing of recoveries with FDIC on expiration date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnExpirationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_NevadaCommerceBankMember
     
Sharing of recoveries with FDIC on termination date (as a percent) 80.00%cyn_LossSharingAgreementPercentageOfRecoveriesOfBadDebtsWithFDICOnTerminationDate
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialLoanMember
/ us-gaap_BusinessAcquisitionAxis
= cyn_NevadaCommerceBankMember
     
Commercial real estate mortgages        
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 3,737,137,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
3,539,703,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
3,280,868,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
 
Less: Allowance for loan and lease losses (47,017,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
(44,745,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
(51,361,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
(50,678,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
Covered loans 453,647,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
481,689,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateMember
   
Residential mortgages        
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 5,299,947,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
5,106,803,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
4,682,055,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
 
Less: Allowance for loan and lease losses (9,967,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
(10,296,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
(11,595,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
(11,540,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
Covered loans 3,715,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
4,455,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_ResidentialMortgageMember
   
Real estate construction        
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 794,274,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
710,224,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
389,188,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
 
Less: Allowance for loan and lease losses (10,234,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
(9,115,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
(6,468,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
(6,351,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Covered loans 16,813,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
18,790,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
   
Home equity loans and lines of credit        
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 791,731,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
785,796,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
691,338,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
 
Less: Allowance for loan and lease losses (6,361,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
(6,609,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
(6,419,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
(6,677,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
Covered loans 3,655,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
3,820,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_EquityLinesOfCreditMember
   
Installment        
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 186,076,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
184,613,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
150,895,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
 
Less: Allowance for loan and lease losses (2,153,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
(2,228,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
(1,824,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
(1,842,000)us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
Covered loans 253,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
256,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= cyn_InstallmentLoanMember
   
Lease financing        
Accounts notes and loans receivable        
Loans and leases, excluding covered loans 645,569,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_FinanceLeasesFinancingReceivableMember
$ 649,091,000us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_FinanceLeasesFinancingReceivableMember