XML 16 R55.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | $ 1,203,682 us-gaap_AvailableForSaleSecurities | $ 1,318,935 us-gaap_AvailableForSaleSecurities
Assets | 1,205,318 us-gaap_AssetsFairValueDisclosure | 1,320,838 us-gaap_AssetsFairValueDisclosure
Liabilities |  |
Liabilities | 13,569 us-gaap_LiabilitiesFairValueDisclosure | 9,633 us-gaap_LiabilitiesFairValueDisclosure
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 350,183 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_InvestmentTypeAxis = us-gaap_USTreasurySecuritiesMember | 664,004 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_InvestmentTypeAxis = us-gaap_USTreasurySecuritiesMember
US Treasury Securities [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 350,183 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = us-gaap_USTreasurySecuritiesMember | 664,004 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = us-gaap_USTreasurySecuritiesMember
Mortgage-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 760,329 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = caty_MortgagebackedSecuritiesMember | 544,303 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = caty_MortgagebackedSecuritiesMember
Mortgage-backed Securities [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 760,329 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_MortgagebackedSecuritiesMember | 544,303 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_MortgagebackedSecuritiesMember
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 42 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_CollateralizedMortgageObligationsMember | 45 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_CollateralizedMortgageObligationsMember
Collateralized Mortgage Obligations [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 42 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CollateralizedMortgageObligationsMember | 45 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CollateralizedMortgageObligationsMember
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 74,511 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_CorporateDebtSecuritiesMember | 94,472 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 74,511 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CorporateDebtSecuritiesMember | 94,472 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CorporateDebtSecuritiesMember
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 5,921 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_InvestmentTypeAxis = caty_MutualFundsMember | 5,866 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_InvestmentTypeAxis = caty_MutualFundsMember
Mutual Funds [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 5,921 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_MutualFundsMember | 5,866 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_MutualFundsMember
Preferred Stock of Government Sponsored Entities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 3,946 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = caty_PreferredStockOfGovernmentSponsoredEntitiesMember | 3,224 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = caty_PreferredStockOfGovernmentSponsoredEntitiesMember
Preferred Stock of Government Sponsored Entities [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 3,946 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_PreferredStockOfGovernmentSponsoredEntitiesMember | 3,224 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_PreferredStockOfGovernmentSponsoredEntitiesMember
Other Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 8,750 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = caty_OtherEquitySecuritiesMember | 7,021 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = caty_OtherEquitySecuritiesMember
Other Equity Securities [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 8,750 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_OtherEquitySecuritiesMember | 7,021 us-gaap_AvailableForSaleSecurities / us-gaap_InvestmentTypeAxis = caty_OtherEquitySecuritiesMember
Warrant [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | 21 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_InvestmentTypeAxis = us-gaap_WarrantMember | 27 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_InvestmentTypeAxis = us-gaap_WarrantMember
Warrant [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | 21 us-gaap_AssetsFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_WarrantMember | 27 us-gaap_AssetsFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_WarrantMember
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | 1,615 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember | 1,876 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember
Liabilities |  |
Liabilities | 4,959 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember | 5,007 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember
Foreign Exchange Contract [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | 1,615 us-gaap_AssetsFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember | 1,876 us-gaap_AssetsFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember
Liabilities |  |
Liabilities | 4,959 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember | 5,007 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_ForeignExchangeContractMember
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Liabilities |  |
Liabilities | 8,610 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_InterestRateSwapMember | 4,626 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_InterestRateSwapMember
Interest Rate Swap [Member] |  |
Liabilities |  |
Liabilities | 8,610 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_InterestRateSwapMember | 4,626 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_InvestmentTypeAxis = us-gaap_InterestRateSwapMember
Fair Value, Inputs, Level 1 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 356,104 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 669,870 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Assets | 356,104 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 669,870 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Fair Value, Inputs, Level 2 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Securities available-for-sale | 847,578 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 649,065 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Assets | 849,193 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 650,941 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Liabilities |  |
Liabilities | 13,569 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 9,633 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Fair Value, Inputs, Level 3 [Member] |  |
Note 11 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | $ 21 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | $ 27 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member

X
- Details
Name: | caty_Note11FairValueMeasurementsDetailsAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisLineItems
Namespace Prefix: | caty_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LiabilitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=caty_MortgagebackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=caty_MutualFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=caty_OtherEquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=caty_PreferredStockOfGovernmentSponsoredEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |