XML 68 R57.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 9 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Commitments to Fund Fixed Rate Loans | $ 98.8 | $ 99.5

X
- Definition Commitments to fund fixed rate loans. + References No definition available. + Details
Name: | caty_CommitmentsToFundFixedRateLoans
Namespace Prefix: | caty_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant