XML 55 R41.htm IDEA: XBRL DOCUMENT
v3.22.4

Note 9 - Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Notes Tables |
Summary of Deposits [Table Text Block] |
|  | As of December 31, |
|  | 2022 |  |  | 2021 |
|  | (In thousands) |
Deposits |  |  |  |  |  |  |  |
Non-interest-bearing demand deposits |  | $ | 4,168,989 |  |  | $ | 4,492,054 |
Interest bearing demand deposits |  |  | 2,509,736 |  |  |  | 2,522,442 |
Money market deposits |  |  | 3,812,724 |  |  |  | 4,611,579 |
Savings deposits |  |  | 1,000,460 |  |  |  | 915,515 |
Time deposits |  |  | 7,013,370 |  |  |  | 5,517,252 |
Total deposits |  | $ | 18,505,279 |  |  | $ | 18,058,842 |
Schedule of Maturities for Time Deposits [Table Text Block] |
|  | Expected Maturity Date at December 31, |  |  |  |  |
|  | 2023 |  |  | 2024 |  |  | 2025 |  |  | 2026 |  |  | 2027 |  |  | Thereafter |  |  | Total |
|  | (In thousands) |
Time deposits |  | $ | 6,926,121 |  |  | $ | 79,376 |  |  | $ | 5,094 |  |  | $ | 591 |  |  | $ | 2,168 |  |  | $ | 20 |  |  | $ | 7,013,370 |
Summary of Interest Expense on Deposits [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
|  | (In thousands) |
Interest bearing demand |  | $ | 8,176 |  |  | $ | 2,249 |  |  | $ | 2,816 |
Money market accounts |  |  | 39,913 |  |  |  | 18,241 |  |  |  | 21,574 |
Saving accounts |  |  | 853 |  |  |  | 769 |  |  |  | 1,006 |
Time deposits |  |  | 56,354 |  |  |  | 40,542 |  |  |  | 111,629 |
Total |  | $ | 105,296 |  |  | $ | 61,801 |  |  | $ | 137,025 |

X
- Definition The schedule of maturities for time deposits. + References No definition available. + Details
Name: | caty_ScheduleOfMaturitiesForTimeDepositsTableTextBlock
Namespace Prefix: | caty_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary disclosure of deposits. + References No definition available. + Details
Name: | caty_SummaryOfDepositsTableTextBlock
Namespace Prefix: | caty_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of interest expense on deposits. + References No definition available. + Details
Name: | caty_SummaryOfInterestExpenseOnDepositsTableTextBlock
Namespace Prefix: | caty_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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