XML 49 R28.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 21 - Dividend Reinvestment Plan | 12 Months Ended
--- | ---
Dec. 31, 2015
Dividend Reinvestment Plan [Abstract] |
Dividend Reinvestment Plan [Text Block] | 21. Dividend Reinvestment Plan The Company has a Dividend Reinvestment Plan which allows for participants’ reinvestment of cash dividends and certain optional additional investments in the Bancorp’s common stock. Shares issued under the plan and the consideration received were 148,582 shares for $4.2 million in 2015, 116,957 shares for $2.8 million in 2014, and 25,984 shares for $605,000 in 2013.

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

X
- Definition The full disclosure for the dividend reinvestment plan. + References No definition available. + Details
Name: | caty_DividendReinvestmentPlanTextBlock
Namespace Prefix: | caty_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration