XML 95 R75.htm IDEA: XBRL DOCUMENT v3.25.0.1

Note 5 - Investments in Affordable Housing and Alternative Energy Partnerships - Usage of Affordable Housing and Other Tax Credits Including Energy Tax Credit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Affordable housing and other tax credits recognized	$ 35,448	$ 32,395	$ 29,524
Alternative energy tax credits recognized	$ 28,517	$ 41,320	$ 4,707

X

- Definition

The amount of affordable housing and other tax credits recognized during the period.

+ References

No definition available.

+ Details

Name:	caty_AffordableHousingAndOtherTaxCreditsRecognized
Namespace Prefix:	caty_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of alternative energy tax credit used during the period.

+ References

No definition available.

+ Details

Name:	caty_AlternativeEnergyTaxCreditUsage
Namespace Prefix:	caty_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration