No definition available.

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Decrease (increase) in unrealized loss from interest rate swaps mark to market.

No definition available.

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The Income during the period associated with debt redemption.

No definition available.

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Loans to facilitate the sale of other real estate owned

No definition available.

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Net change in unrealized holding (loss)/gain on securities available-for-sale, net of tax

No definition available.

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Net Increase In Investment In Affordable Housing

No definition available.

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Other non-cash interest expense/(income).

No definition available.

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Proceeds from repayment and sale of mortgage backed securities available for sale.

No definition available.

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Amount of provision (reversal) related to other real estate owned based on the assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

No definition available.

Name:	caty_ProvisionReversalForLossesOnOtherRealEstateOwned
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Amount of provision (reversal) related to loan transactions based on the assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

No definition available.

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Transfers investment securities to available for sale from held to maturity.

No definition available.

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Value of investments related to the transfers of trading securities to short-term investments in noncash transactions.

No definition available.

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Transfers To Other Real Estate Owned From Loans Held For Investment

No definition available.

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A reduction of the carrying amount of impaired securities,

No definition available.

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Write-downs on venture capital investments

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The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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-Name Accounting Standards Codification

-Glossary Cash

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-Glossary Cash Equivalents

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

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-Topic 210

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-Paragraph 1

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-Topic 230

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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-Topic 815

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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-Name Accounting Standards Codification

-Topic 718

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-Paragraph 24

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Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Topic 230

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-Paragraph 28

-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13(h))

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-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.3(a))

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Name:	us-gaap_GainLossOnSalesOfLoansNet
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The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.14(d))

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 14

-Subparagraph d

-Article 9

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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-Name Accounting Standards Codification

-Topic 230

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-Topic 230

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-Paragraph 25

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The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

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The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.

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-Name Accounting Standards Codification

-Topic 942

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-Paragraph 1

-Subparagraph (b)

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-Topic 230

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The net cash inflow or outflow from the fund lent to other financial institution arising from the excess in reserve deposited at Federal Reserve Bank to meet legal requirement. This borrowing is usually contracted on an overnight basis at an agreed rate of interest. Also include cash inflow or outflow from investment sold under the agreement to reacquire such investment.

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 8

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-Topic 230

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-Section 45

-Paragraph 9

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The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

Name:	us-gaap_IncreaseDecreaseInOtherOperatingAssets
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The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities.

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The amount of cash paid for interest during the period.

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

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-Topic 230

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This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.7(c))

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-Topic 320

-SubTopic 10

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-Paragraph 10

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 5

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-Name Accounting Standards Codification

-Topic 320

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-Paragraph 9

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Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

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-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

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-Paragraph 16

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The aggregate amount of cash outflow for loans purchased and created with the intention to resell them in the near future.

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-Name Accounting Standards Codification

-Topic 230

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Name:	us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale
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Amount of cash outflow (inflow) from acquisition (sale) of Federal Home Loan Bank (FHLBank) stock.

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-Topic 230

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Name:	us-gaap_PaymentsForProceedsFromFederalHomeLoanBankStock
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The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.

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The net amount paid (received) by the reporting entity through acquisition or sale and maturities of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

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The cash outflow during the period for redemption of redeemable noncontrolling interests.

No definition available.

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The cash outflow for reacquisition of callable preferred stock.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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-Name Accounting Standards Codification

-Topic 320

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-Topic 230

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The cash outflow for the purchase of securities issued by a governmental agency or corporation (for example, GNMA or FHLMC) or by private issuers (for example, banks and mortgage banking enterprises) secured by and repaid from underlying mortgages, which were designated as available for sale when acquired.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash outflow to acquire securities classified as trading securities and held for investment purposes. Excludes payments for trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).

No definition available.

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The cash inflow from a borrowing made from Federal Home Loan Bank.

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Amount of cash inflow from capital contributions to an entity associated with a dividend reinvestment plan.

No definition available.

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The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

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The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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-Topic 230

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-Paragraph 12

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Amount of cash inflow from sale of Federal Home Loan Bank (FHLB) stock.

No definition available.

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The cash inflow associated with the sale of loans receivables arising from the financing of goods and services.

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The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy.

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-Topic 230

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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-Glossary Financing Activities

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Name:	us-gaap_ProceedsFromStockOptionsExercised
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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The cash outflow for the payment of loan drawn from Federal Home Loan.

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-Topic 230

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The cash outflow for the payment of other borrowing not otherwise defined in the taxonomy.

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The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets or underlying collateral.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

Name:	us-gaap_ShareBasedCompensation
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Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

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-Publisher FASB

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-Topic 230

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Name:	us-gaap_TransferOfLoansHeldForSaleToPortfolioLoans1
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Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.