XML 70 R59.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Note 12 - Fair Value Measurements and Fair Value of Financial Instruments (Details Textual) - USD ($) shares in Thousands, $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Other Real Estate, Foreclosed Assets, and Repossessed Assets | $ 19,441 | $ 19,441
Class of Warrant or Right, Outstanding (in shares) | 0 | 0
Minimum [Member] |  |
Estimated Sales Cost Applied To Collateral | 3.00% |
Maximum [Member] |  |
Estimated Sales Cost Applied To Collateral | 6.00% |
Net of Estimated Disposal Costs [Member] |  |
Other Real Estate, Foreclosed Assets, and Repossessed Assets | $ 19,400 | $ 19,400

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | caty_EstimatedSalesCostAppliedToCollateral
Namespace Prefix: | caty_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_OtherRealEstateAndForeclosedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=caty_NetOfEstimatedDisposalCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |