XML 41 R53.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Note 8 - Loans (Details) - Troubled Debt Restructuring Activity - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Note 8 - Loans (Details) - Troubled Debt Restructuring Activity [Line Items] |  |  |  |
Charge-offs |  |  | $ (148) |
Accruing Troubled Debt Restructuring [Member] |  |  |  |
Note 8 - Loans (Details) - Troubled Debt Restructuring Activity [Line Items] |  |  |  |
Beginning balance | $ 100,011 | $ 111,136 | 104,356 | $ 117,597
New restructurings | 427 | 14,900 | 16,853 | 22,997
Restructured loans restored to accrual status | 723 | 660 | 723 | 1,622
Charge-offs |  |  | (148) |
Payments | (11,280) | (3,607) | (21,714) | (11,897)
Restructured loans placed on nonaccrual |  |  | (10,188) | (7,230)
Ending balance | 89,881 | 123,089 | 89,881 | 123,089
Non Accruing Troubled Debt Restructuring [Member] |  |  |  |
Note 8 - Loans (Details) - Troubled Debt Restructuring Activity [Line Items] |  |  |  |
Beginning balance | 42,595 | 43,605 | 41,618 | 38,769
New restructurings | 1,796 | 34 | 2,006 | 1,820
Restructured loans restored to accrual status | (723) | (660) | (723) | (1,622)
Charge-offs | (3) | (234) | (3,246) | (833)
Payments | (1,859) | (8,583) | (8,037) | (11,202)
Restructured loans placed on nonaccrual |  |  | 10,188 | 7,230
Ending balance | $ 41,806 | $ 34,162 | $ 41,806 | $ 34,162

X
- References No definition available. + Details
Name: | caty_Note8LoansDetailsTroubledDebtRestructuringActivityLineItems
Namespace Prefix: | caty_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Troubled debt restructurings, new restructurings. + References No definition available. + Details
Name: | caty_TroubledDebtRestructuringsNewRestructurings
Namespace Prefix: | caty_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Troubled debt restructurings, payments received in period. + References No definition available. + Details
Name: | caty_TroubledDebtRestructuringsPaymentsReceivedInPeriod
Namespace Prefix: | caty_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Troubled debt restructurings, restructured loans placed on nonaccrual. + References No definition available. + Details
Name: | caty_TroubledDebtRestructuringsRestructuredLoansPlacedOnNonaccrual
Namespace Prefix: | caty_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Troubled debt restructurings, restructured loans restored to accrual status. + References No definition available. + Details
Name: | caty_TroubledDebtRestructuringsRestructuredLoansRestoredToAccrualStatus
Namespace Prefix: | caty_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=caty_AccruingTroubledDebtRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=caty_NonAccruingTroubledDebtRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |