$CATY
CATHAY GENERAL BANCORP Stock $caty

$caty Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000143774924015384 Filed on May 08, 2024

Income Statement

Concept	2024 Q2	2024 Q1
Revenue	$12.87M	$11.93M
YoY Change	21.76%	19.74%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.807M	$1.889M
YoY Change	-23.2%	-8.03%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$164.1M
YoY Change		76.51%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$72.58M	$80.04M
YoY Change	-29.31%	-30.63%
Income Tax	$5.750M	$8.609M
% Of Pretax Income	7.92%	10.76%
Net Earnings	$66.83M	$71.44M
YoY Change	-28.31%	-25.59%
Net Earnings / Revenue	519.46%	598.99%
Basic Earnings Per Share	$0.92	$0.98
Diluted Earnings Per Share	$0.92	$0.98
COMMON SHARES
Basic Shares Outstanding	72.81M	72.67M
Diluted Shares Outstanding	72.83M	72.97M

Balance Sheet

Concept	2024 Q2	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.105B	$1.176B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$122.3M	$122.2M
YoY Change	-0.96%	-0.78%
Goodwill	$375.7M	$375.7M
YoY Change	0.0%	0.0%
Intangibles	$3.860M	$4.131M
YoY Change	-22.68%	-25.75%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$23.24B	$23.40B
YoY Change	0.9%	6.23%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$35.36M	$34.33M
YoY Change	4.38%	5.29%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due	$0.00	$0.00
YoY Change
Total Short-Term Liabilities	$35.36M	$34.33M
YoY Change	4.38%	5.29%
LONG-TERM LIABILITIES
Long-Term Debt	$137.0M	$136.7M
YoY Change	-3.24%	-3.48%
Other Long-Term Liabilities	$315.4M	$327.4M
YoY Change	-5.56%	9.26%
Total Long-Term Liabilities	$452.4M	$464.1M
YoY Change	-4.87%	5.17%
TOTAL LIABILITIES
Total Short-Term Liabilities	$35.36M	$34.33M
Total Long-Term Liabilities	$452.4M	$464.1M
Total Liabilities	$20.44B	$20.63B
YoY Change	0.08%	5.84%
SHAREHOLDERS EQUITY
Retained Earnings	$2.589B	$2.547B
YoY Change	8.57%	9.96%
Common Stock	$916.0K	$914.0K
YoY Change	0.33%	0.33%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.793B	$2.778B
YoY Change
Total Liabilities & Shareholders Equity	$23.24B	$23.40B
YoY Change	0.9%	6.23%

Cashflow Statement

Concept	2024 Q2	2024 Q1
OPERATING ACTIVITIES
Net Income	$66.83M	$71.44M
YoY Change	-28.31%	-25.59%
Depreciation, Depletion And Amortization	$1.807M	$1.889M
YoY Change	-23.2%	-8.03%
Cash From Operating Activities	$72.92M	$88.17M
YoY Change	-19.59%	-27.23%
INVESTING ACTIVITIES
Capital Expenditures	$533.0K	$916.0K
YoY Change	-20.09%	210.51%
Acquisitions
YoY Change
Other Investing Activities	$82.90M	$38.02M
YoY Change	-113.44%	-129.67%
Cash From Investing Activities	$82.37M	$37.10M
YoY Change	-113.34%	-128.89%
FINANCING ACTIVITIES
Cash Dividend Paid		$24.71M
YoY Change		0.42%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-226.2M	$221.9M
YoY Change	-125.83%	-1117.53%
NET CHANGE
Cash From Operating Activities	72.92M	$88.17M
Cash From Investing Activities	82.37M	$37.10M
Cash From Financing Activities	-226.2M	$221.9M
Net Change In Cash	-70.93M	$347.1M
YoY Change	-120.33%	-1294.05%
FREE CASH FLOW
Cash From Operating Activities	$72.92M	$88.17M
Capital Expenditures	$533.0K	$916.0K
Free Cash Flow	$72.38M	$87.25M
YoY Change	-19.59%	-27.81%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024Q1	dei	Amendment Flag AmendmentFlag	false
CY2024Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2024Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2024Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1783915000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1726080000	usd
CY2024Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2024Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2024Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	91411744
CY2024Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	72688191
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	91392480
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	72668927
CY2024Q1	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	18723553
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	18723553
CY2024Q1	caty	Number Of Limited Partnerships In Housing Investments NumberOfLimitedPartnershipsInHousingInvestments	11	pure
CY2024Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	usd
CY2024Q1	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2023Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	0
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024Q1	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q1	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q1	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q1	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q1	dei	Document Type DocumentType	10-Q
CY2024Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2024Q1	dei	Document Period End Date DocumentPeriodEndDate	2024-03-31
CY2024Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2024Q1	dei	Entity File Number EntityFileNumber	001-31830
CY2024Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2024Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-4274680
CY2024Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	777 North Broadway
CY2024Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Los Angeles
CY2024Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2024Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	90012
CY2024Q1	dei	City Area Code CityAreaCode	213
CY2024Q1	dei	Local Phone Number LocalPhoneNumber	625-4700
CY2024Q1	dei	Security12b Title Security12bTitle	Common Stock
CY2024Q1	dei	Trading Symbol TradingSymbol	CATY
CY2024Q1	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2024Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2024Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2024Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2024Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2024Q1	dei	Entity Shell Company EntityShellCompany	false
CY2024Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	72813413
CY2024Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	165284000	usd
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	173988000	usd
CY2024Q1	caty	Short Term Investments And Interest Bearing Deposits ShortTermInvestmentsAndInterestBearingDeposits	1010651000	usd
CY2023Q4	caty	Short Term Investments And Interest Bearing Deposits ShortTermInvestmentsAndInterestBearingDeposits	654813000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1653167000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1604570000	usd
CY2024Q1	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	23171000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	usd
CY2024Q1	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	19429396000	usd
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	19548140000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	154589000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	154562000	usd
CY2024Q1	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-11737000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-10720000	usd
CY2024Q1	us-gaap	Notes Receivable Net NotesReceivableNet	19263070000	usd
CY2023Q4	us-gaap	Notes Receivable Net NotesReceivableNet	19382858000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	31380000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	40406000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	17250000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	17746000	usd
CY2024Q1	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	19441000	usd
CY2023Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	19441000	usd
CY2024Q1	caty	Affordable Housing Investments And Alternative Energy Partnerships Net AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet	330912000	usd
CY2023Q4	caty	Affordable Housing Investments And Alternative Energy Partnerships Net AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet	315683000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	90454000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	91097000	usd
CY2024Q1	us-gaap	Due From Customer Acceptances DueFromCustomerAcceptances	17074000	usd
CY2023Q4	us-gaap	Due From Customer Acceptances DueFromCustomerAcceptances	3264000	usd
CY2024Q1	us-gaap	Interest Receivable InterestReceivable	97937000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	97673000	usd
CY2024Q1	us-gaap	Goodwill Goodwill	375696000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	375696000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4131000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4461000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	31698000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	32076000	usd
CY2024Q1	us-gaap	Other Assets OtherAssets	273487000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	267762000	usd
CY2024Q1	us-gaap	Assets Assets	23404803000	usd
CY2023Q4	us-gaap	Assets Assets	23081534000	usd
CY2024Q1	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3289539000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3529018000	usd
CY2024Q1	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	2331486000	usd
CY2023Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	2370685000	usd
CY2024Q1	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	3117557000	usd
CY2023Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	3049754000	usd
CY2024Q1	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1039144000	usd
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CY2024Q1	us-gaap	Time Deposits TimeDeposits	10068533000	usd
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CY2024Q1	us-gaap	Deposits Deposits	19846259000	usd
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CY2024Q1	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	265000000	usd
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CY2023Q4	caty	Other Borrowings For Affordable Housing Investments OtherBorrowingsForAffordableHousingInvestments	15787000	usd
CY2024Q1	us-gaap	Long Term Debt LongTermDebt	119136000	usd
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CY2024Q1	us-gaap	Bank Acceptances Executed And Outstanding BankAcceptancesExecutedAndOutstanding	17074000	usd
CY2023Q4	us-gaap	Bank Acceptances Executed And Outstanding BankAcceptancesExecutedAndOutstanding	3264000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	34325000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	34797000	usd
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CY2024Q1	us-gaap	Liabilities Liabilities	20626731000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	20344959000	usd
CY2024Q1	us-gaap	Common Stock Value CommonStockValue	914000	usd
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CY2023Q1	caty	Letter Of Credit Commissions LetterOfCreditCommissions	1570000	usd
CY2024Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	5626000	usd
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CY2024Q1	us-gaap	Noninterest Income NoninterestIncome	6611000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	14244000	usd
CY2024Q1	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	43552000	usd
CY2023Q1	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	38226000	usd
CY2024Q1	us-gaap	Occupancy Net OccupancyNet	5967000	usd
CY2023Q1	us-gaap	Occupancy Net OccupancyNet	5504000	usd
CY2024Q1	us-gaap	Equipment Expense EquipmentExpense	5068000	usd
CY2023Q1	us-gaap	Equipment Expense EquipmentExpense	4285000	usd
CY2024Q1	us-gaap	Professional Fees ProfessionalFees	6992000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	2474040000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	918000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2023Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	14000	usd
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CY2024Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3929000	usd
CY2023Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3724000	usd
CY2024Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6089000	usd
CY2023Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3155000	usd
CY2024Q1	us-gaap	Marketing Expense MarketingExpense	1914000	usd
CY2023Q1	us-gaap	Marketing Expense MarketingExpense	774000	usd
CY2024Q1	caty	Foreclosed Real Estate Expense Income ForeclosedRealEstateExpenseIncome	253000	usd
CY2023Q1	caty	Foreclosed Real Estate Expense Income ForeclosedRealEstateExpenseIncome	50000	usd
CY2024Q1	caty	Operations Of Affordable Housing Investments Net And Alternative Energy Partnerships Net OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet	14432000	usd
CY2023Q1	caty	Operations Of Affordable Housing Investments Net And Alternative Energy Partnerships Net OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet	15594000	usd
CY2024Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	339000	usd
CY2023Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	250000	usd
CY2024Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4704000	usd
CY2023Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4218000	usd
CY2024Q1	us-gaap	Noninterest Expense NoninterestExpense	93239000	usd
CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	83186000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	80044000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115393000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8609000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19386000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	71435000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	96007000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-6422000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	11659000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-441000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-441000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6863000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	11218000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	64572000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	107225000	usd
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.98
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.32
CY2024Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.34
CY2023Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.34
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72673974
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72533239
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72971157
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72899662
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2736575000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	744000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2024Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	24000	usd
CY2024Q1	caty	Treasury Stock Value Acquired Reversed Cost Method TreasuryStockValueAcquiredReversedCostMethod	-8000	usd
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	905000	usd
CY2024Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	24708000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-6863000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	71435000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	2778072000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	0	usd
CY2024Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-10634000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	68133000	usd
CY2024Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	916000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	295000	usd
CY2024Q1	caty	Net Increase In Investment In Affordable Housing Investing And Alternative Energy Partnerships NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships	5680000	usd
CY2023Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	16736000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1511000	usd
CY2023Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	24605000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	11218000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	96007000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	2542339000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	71435000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	96007000	usd
CY2024Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1900000	usd
CY2023Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	8100000	usd
CY2024Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	4782000	usd
CY2023Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	7293000	usd
CY2024Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1889000	usd
CY2023Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2054000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2477000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2405000	usd
CY2024Q1	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-472000	usd
CY2023Q1	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	81000	usd
CY2024Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	20000	usd
CY2023Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	-0	usd
CY2024Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-0	usd
CY2023Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-6000	usd
CY2024Q1	caty	Accretion Amortization Of Investments AccretionAmortizationOfInvestments	14432000	usd
CY2023Q1	caty	Accretion Amortization Of Investments AccretionAmortizationOfInvestments	15594000	usd
CY2024Q1	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	1107000	usd
CY2023Q1	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	-0	usd
CY2024Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	6370000	usd
CY2023Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	1324000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-9026000	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	4853000	usd
CY2024Q1	caty	Write Off Of Debt Securities WriteOffOfDebtSecurities	-0	usd
CY2023Q1	caty	Write Off Of Debt Securities WriteOffOfDebtSecurities	-3000000	usd
CY2024Q1	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	905000	usd
CY2023Q1	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	1511000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1424000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-15608000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	281000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-9730000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	88170000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	121166000	usd
CY2024Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	469647000	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	156597000	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	384721000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	104669000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	33690000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2024Q1	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	12535000	usd
CY2023Q1	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	680000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	13031000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	680000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	83803000	usd
CY2023Q1	caty	Net Increase In Investment In Affordable Housing Investing And Alternative Energy Partnerships NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships	8078000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	37101000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-128434000	usd
CY2024Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	520843000	usd
CY2023Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	143633000	usd
CY2024Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	4403000000	usd
CY2023Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	2075000000	usd
CY2024Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	4678000000	usd
CY2023Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	2200000000	usd
CY2024Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	24708000	usd
CY2023Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	24605000	usd
CY2024Q1	caty	Payments For Proceeds From Repurchase Of Common Stock PaymentsForProceedsFromRepurchaseOfCommonStock	-8000	usd
CY2023Q1	caty	Payments For Proceeds From Repurchase Of Common Stock PaymentsForProceedsFromRepurchaseOfCommonStock	16736000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	744000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	918000	usd
CY2024Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	24000	usd
CY2023Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	14000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	221863000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-21804000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	347134000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-29072000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	828801000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1162402000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1175935000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1133330000	usd
CY2024Q1	us-gaap	Interest Paid Net InterestPaidNet	155048000	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	86785000	usd
CY2024Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	282000	usd
CY2023Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2024Q1	caty	Net Change In Unrealized Holding Loss Gain On Securities Available For Sale Net Of Tax NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax	-6422000	usd
CY2023Q1	caty	Net Change In Unrealized Holding Loss Gain On Securities Available For Sale Net Of Tax NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax	11659000	usd
CY2024Q1	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-441000	usd
CY2023Q1	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-441000	usd
CY2024Q1	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	106953000	usd
CY2023Q1	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	usd
CY2024Q1	us-gaap	Nature Of Operations NatureOfOperations	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;margin:0pt;"><b><i><span style="text-decoration: underline; "><em style="font: inherit;">1.</em> Business</span></i></b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;">Cathay General Bancorp (“Bancorp”) is the holding company for Cathay Bank (the “Bank” and, together, with Bancorp, the “Company”), and <span style="-sec-ix-hidden:c112231481">eleven</span> limited partnerships investing in affordable housing investments in which the Bank is the sole limited partner. Bancorp also owns 100% of the common stock of <em style="font: inherit;">five</em> statutory business trusts created for the purpose of issuing capital securities. The Bank was founded in <em style="font: inherit;">1962</em> and offers a wide range of financial services. As of <em style="font: inherit;"> March 31, 2024</em>, the Bank operates 24 branches in Southern California, 19 branches in Northern California, 9 branches in New York State, four in Washington State, two in Illinois, two in Texas, one in Maryland, Massachusetts, Nevada, and New Jersey, one in Hong Kong, and a representative office in Taipei, Beijing, and Shanghai. Deposit accounts at the Hong Kong branch are <em style="font: inherit;">not</em> insured by the Federal Deposit Insurance Corporation (the “FDIC”).</p>
CY2024Q1	caty	Percentage Of Subsidiaries Common Securities Owned By Parent Company PercentageOfSubsidiariesCommonSecuritiesOwnedByParentCompany	1	pure
CY2024Q1	caty	Average Excess Balances Maintained With Federal Reserve Bank AverageExcessBalancesMaintainedWithFederalReserveBank	1050000.00	usd
CY2023	caty	Average Excess Balances Maintained With Federal Reserve Bank AverageExcessBalancesMaintainedWithFederalReserveBank	1090000.00	usd
CY2024Q1	us-gaap	Margin Deposit Assets MarginDepositAssets	60900000	usd
CY2023Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	53800000	usd
CY2024Q1	us-gaap	Restricted Cash RestrictedCash	29300000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	6400000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	71435000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	96007000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72673974
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72533239
CY2024Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	297183
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	366423
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72971157
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72899662
CY2024Q1	caty	Average Shares Of Stock Options And Restricted Stock Units With Anti Dilutive Effect AverageSharesOfStockOptionsAndRestrictedStockUnitsWithAntiDilutiveEffect	0
CY2023Q1	caty	Average Shares Of Stock Options And Restricted Stock Units With Anti Dilutive Effect AverageSharesOfStockOptionsAndRestrictedStockUnitsWithAntiDilutiveEffect	777
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.98
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.32
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	680000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	132580000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	964495000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	121345000	usd
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1455440
CY2024Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1783915000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	162000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	130910000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1653167000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1726080000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	515000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	122025000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1604570000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	4800000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	661864000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	661135000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	207407000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	198023000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	140147000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	131192000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	774497000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	662817000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1783915000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1653167000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-9000000	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	4900000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	31400000	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	40400000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	525046000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	718000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	934725000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	130192000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1459771000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	130910000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1097075000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	122025000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	200	pure
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	192	pure
CY2024Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Transfer To Available For Sale Allowance For Credit Loss Expense DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense	0	usd
CY2024Q1	caty	Pledged Investment Securities PledgedInvestmentSecurities	30600000	usd
CY2023Q4	caty	Pledged Investment Securities PledgedInvestmentSecurities	134200000	usd
CY2024Q1	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	19429396000	usd
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	19548140000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	154589000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	154562000	usd
CY2024Q1	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-11737000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-10720000	usd
CY2024Q1	us-gaap	Notes Receivable Net NotesReceivableNet	19263070000	usd
CY2023Q4	us-gaap	Notes Receivable Net NotesReceivableNet	19382858000	usd
CY2024Q1	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	23171000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	usd
CY2024Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	98100000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	66700000	usd
CY2024Q1	caty	Percentage Of Charge Off To Contractual Balances For Impaired Loans PercentageOfChargeOffToContractualBalancesForImpairedLoans	0.044	pure
CY2023Q4	caty	Percentage Of Charge Off To Contractual Balances For Impaired Loans PercentageOfChargeOffToContractualBalancesForImpairedLoans	0.158	pure
CY2024Q1	caty	Financing Receivable Nonaccrual No Allowance Unpaid Principal Balance FinancingReceivableNonaccrualNoAllowanceUnpaidPrincipalBalance	112088000	usd
CY2024Q1	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	87957000	usd
CY2024Q1	caty	Financing Receivable Nonaccrual With Allowance Unpaid Principal Balance FinancingReceivableNonaccrualWithAllowanceUnpaidPrincipalBalance	10753000	usd
CY2024Q1	caty	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	10150000	usd
CY2024Q1	caty	Financing Receivable Nonaccrual Allowance FinancingReceivableNonaccrualAllowance	5100000	usd
CY2024Q1	caty	Financing Receivable Nonaccrual Unpaid Principal Balance FinancingReceivableNonaccrualUnpaidPrincipalBalance	122841000	usd
CY2024Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	98107000	usd
CY2024Q1	caty	Financing Receivable Nonaccrual Allowance FinancingReceivableNonaccrualAllowance	5100000	usd
CY2023Q4	caty	Financing Receivable Nonaccrual No Allowance Unpaid Principal Balance FinancingReceivableNonaccrualNoAllowanceUnpaidPrincipalBalance	88728000	usd
CY2023Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	66681000	usd
CY2023Q4	caty	Financing Receivable Nonaccrual Unpaid Principal Balance FinancingReceivableNonaccrualUnpaidPrincipalBalance	88728000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	66681000	usd
CY2023Q4	caty	Financing Receivable Nonaccrual Allowance FinancingReceivableNonaccrualAllowance	0	usd
CY2024Q1	caty	Financing Receivable Nonaccrual Average Recorded Investment FinancingReceivableNonaccrualAverageRecordedInvestment	101236000	usd
CY2024Q1	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	51000	usd
CY2023Q1	caty	Financing Receivable Nonaccrual Average Recorded Investment FinancingReceivableNonaccrualAverageRecordedInvestment	69577000	usd
CY2023Q1	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	235000	usd
CY2024Q1	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	19429396000	usd
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	19548140000	usd
CY2024Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	2751000	usd
CY2024Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	usd
CY2024Q1	us-gaap	Financing Receivable Troubled Debt Restructuring Increase Decrease From Modification FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification	2751000	usd
CY2024Q1	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	620981000	usd
CY2024Q1	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	3676808000	usd
CY2024Q1	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	3500408000	usd
CY2024Q1	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	2939149000	usd
CY2024Q1	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	1530950000	usd
CY2024Q1	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	4949750000	usd
CY2024Q1	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	2174209000	usd
CY2024Q1	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	25404000	usd
CY2024Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	19417659000	usd
CY2024Q1	us-gaap	Financing Receivable Year One Originated Current Fiscal Year Writeoff FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff	0	usd
CY2024Q1	us-gaap	Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	193000	usd
CY2024Q1	us-gaap	Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	342000	usd
CY2024Q1	us-gaap	Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	196000	usd
CY2024Q1	us-gaap	Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	98000	usd
CY2024Q1	us-gaap	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	291000	usd
CY2024Q1	us-gaap	Financing Receivable Revolving Writeoff FinancingReceivableRevolvingWriteoff	1070000	usd
CY2024Q1	us-gaap	Financing Receivable Revolving Converted To Term Loan Writeoff FinancingReceivableRevolvingConvertedToTermLoanWriteoff	3000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2193000	usd
CY2023Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	3724618000	usd
CY2023Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	3581730000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	3052314000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	1588314000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	1686965000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	3571544000	usd
CY2023Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	2306710000	usd
CY2023Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	25225000	usd
CY2023Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	19537420000	usd
CY2023	us-gaap	Financing Receivable Year One Originated Current Fiscal Year Writeoff FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff	0	usd
CY2023	us-gaap	Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	992000	usd
CY2023	us-gaap	Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	1520000	usd
CY2023	us-gaap	Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	384000	usd
CY2023	us-gaap	Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	4641000	usd
CY2023	us-gaap	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	14429000	usd
CY2023	us-gaap	Financing Receivable Revolving Writeoff FinancingReceivableRevolvingWriteoff	1520000	usd
CY2023	us-gaap	Financing Receivable Revolving Converted To Term Loan Writeoff FinancingReceivableRevolvingConvertedToTermLoanWriteoff	0	usd
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	23486000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	154562000	usd
CY2024Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1167000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2193000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1053000	usd
CY2024Q1	caty	Financing Receivable Allowance For Credit Losses Net Charge Offs FinancingReceivableAllowanceForCreditLossesNetChargeOffs	-1140000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	154589000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	146485000	usd
CY2023Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	3255000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	7907000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	3051000	usd
CY2023Q1	caty	Financing Receivable Allowance For Credit Losses Net Charge Offs FinancingReceivableAllowanceForCreditLossesNetChargeOffs	-4856000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	144884000	usd
CY2024Q1	caty	Commitments To Fund Fixed Rate Loans CommitmentsToFundFixedRateLoans	123600000	usd
CY2023Q4	caty	Commitments To Fund Fixed Rate Loans CommitmentsToFundFixedRateLoans	130300000	usd
CY2024Q1	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	55138000	usd
CY2023Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	1406879000	usd
CY2023Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	54268000	usd
CY2024Q1	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Loss NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss	66081000	usd
CY2024Q1	caty	Foreign Currency Contract Asset Fair Value Loss Disclosure ForeignCurrencyContractAssetFairValueLossDisclosure	186000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	7210000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	6600000	usd
CY2023Q4	us-gaap	Junior Subordinated Long Term Notes JuniorSubordinatedLongTermNotes	119100000	usd
CY2024Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.108	pure
CY2023Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.168	pure
CY2024Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1653167000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	31380000	usd
CY2024Q1	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1740019000	usd
CY2024Q1	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	42200000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1604570000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	40406000	usd
CY2023Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1699623000	usd
CY2023Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	45937000	usd
CY2024Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1289000	usd
CY2023Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	6783000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4296000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4145000	usd
CY2024Q1	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	0
CY2024Q1	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Gain NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain	250648000	usd
CY2024Q1	caty	Foreign Exchange Contract Asset Fair Value Gain Disclosure ForeignExchangeContractAssetFairValueGainDisclosure	334000	usd
CY2023Q4	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Gain NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain	124452000	usd
CY2023Q4	caty	Foreign Exchange Contract Asset Fair Value Gain Disclosure ForeignExchangeContractAssetFairValueGainDisclosure	379000	usd
CY2024Q1	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	1100019000	usd
CY2023Q4	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Loss NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss	101378000	usd
CY2023Q4	caty	Foreign Currency Contract Asset Fair Value Loss Disclosure ForeignCurrencyContractAssetFairValueLossDisclosure	175000	usd
CY2024Q1	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	952560000	usd
CY2024Q1	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	42014000	usd
CY2023Q4	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	1078880000	usd
CY2023Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	45762000	usd
CY2024Q1	caty	Commitments To Extend Notional Amount CommitmentsToExtendNotionalAmount	3925285000	usd
CY2024Q1	caty	Commitments To Extend Credit Fair Value CommitmentsToExtendCreditFairValue	-19052000	usd
CY2023Q4	caty	Commitments To Extend Notional Amount CommitmentsToExtendNotionalAmount	3808620000	usd
CY2023Q4	caty	Commitments To Extend Credit Fair Value CommitmentsToExtendCreditFairValue	-14344000	usd
CY2024Q1	caty	Standby Letters Of Credit Notional Amount StandbyLettersOfCreditNotionalAmount	386442000	usd
CY2024Q1	caty	Standby Letters Of Credit Fair Value StandbyLettersOfCreditFairValue	-3031000	usd
CY2023Q4	caty	Standby Letters Of Credit Notional Amount StandbyLettersOfCreditNotionalAmount	368618000	usd
CY2023Q4	caty	Standby Letters Of Credit Fair Value StandbyLettersOfCreditFairValue	-2821000	usd
CY2024Q1	caty	Other Letters Of Credit Notional Amount OtherLettersOfCreditNotionalAmount	19450000	usd
CY2024Q1	caty	Other Letters Of Credit Fair Value OtherLettersOfCreditFairValue	-17000	usd
CY2023Q4	caty	Other Letters Of Credit Notional Amount OtherLettersOfCreditNotionalAmount	11308000	usd
CY2023Q4	caty	Other Letters Of Credit Fair Value OtherLettersOfCreditFairValue	-10000	usd
CY2024Q1	us-gaap	Goodwill Goodwill	375700000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	751000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	946000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	870000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	870000	usd
CY2024Q1	caty	Finitelived Intangible Asset Expected Amortization After Year Three FinitelivedIntangibleAssetExpectedAmortizationAfterYearThree	268000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3705000	usd
CY2014Q2	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	119100000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	700000	usd
CY2024Q1	us-gaap	Derivative Assets DerivativeAssets	55138000	usd
CY2024Q1	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	2857000	usd
CY2024Q1	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet	52281000	usd
CY2024Q1	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	50243000	usd
CY2024Q1	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet Not Offset NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset	2038000	usd
CY2024Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	42014000	usd
CY2024Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	-0	usd
CY2024Q1	caty	Net Amount Of Derivative Liabilities Presented In The Balance Sheet NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet	42014000	usd
CY2024Q1	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	-0	usd
CY2024Q1	caty	Net Amount Of Derivative Liabilities Presented In The Balance Sheet Not Offset NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheetNotOffset	42014000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	54268000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	335000	usd
CY2023Q4	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet	53933000	usd
CY2023Q4	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	44860000	usd
CY2023Q4	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet Not Offset NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset	9073000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	45762000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	-0	usd
CY2023Q4	caty	Net Amount Of Derivative Liabilities Presented In The Balance Sheet NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet	45762000	usd
CY2023Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	-0	usd
CY2023Q4	caty	Net Amount Of Derivative Liabilities Presented In The Balance Sheet Not Offset NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheetNotOffset	45762000	usd
CY2024Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	11926000	usd
CY2023Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	9960000	usd
CY2024Q1	caty	Noninteres Income Not Inscope NoninteresIncomeNotInscope	-5315000	usd
CY2023Q1	caty	Noninteres Income Not Inscope NoninteresIncomeNotInscope	4284000	usd
CY2024Q1	us-gaap	Noninterest Income NoninterestIncome	6611000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	14244000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	2780000000	usd
CY2024Q1	us-gaap	Stockholders Equity Period Increase Decrease StockholdersEquityPeriodIncreaseDecrease	41500000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2740000000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	71400000	usd
CY2024Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	900000	usd
CY2024Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	8000	usd
CY2024Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	24700000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6900000	usd
CY2023Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	375090
CY2023Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	44.2
CY2023Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	16600000	usd

Files In Submission

Name	View Source	Status
caty-20240331_cal.xml	Edgar Link	unprocessable
0001437749-24-015384-index-headers.html	Edgar Link	pending
0001437749-24-015384-index.html	Edgar Link	pending
0001437749-24-015384.txt	Edgar Link	pending
0001437749-24-015384-xbrl.zip	Edgar Link	pending
caty-20240331.xsd	Edgar Link	pending
caty20240331_10q.htm	Edgar Link	pending
ex_641278.htm	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
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caty-20240331_def.xml	Edgar Link	unprocessable
caty-20240331_lab.xml	Edgar Link	unprocessable
caty-20240331_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
caty20240331_10q_htm.xml	Edgar Link	completed
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report.css	Edgar Link	pending
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$CATY
CATHAY GENERAL BANCORP Stock $caty

2024 Q2 Form 10-Q Financial Statement

#000143774924015384 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CATY CATHAY GENERAL BANCORP Stock $caty

2024 Q2 Form 10-Q Financial Statement

#000143774924015384 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CATY
CATHAY GENERAL BANCORP Stock $caty