$CATY
CATHAY GENERAL BANCORP Stock $caty

$caty Overview Financials Valuation SEC Filings Company Website

2022 Q1 Form 10-Q Financial Statement

#000143774922011384 Filed on May 09, 2022

Income Statement

Concept	2022 Q1	2021 Q1
Revenue	$171.9M	$163.3M
YoY Change	5.28%	-12.54%
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	$2.112M	$2.044M
YoY Change	3.33%	13.75%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$12.76M	$21.50M
YoY Change	-40.68%	-53.68%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$98.08M	$93.97M
YoY Change	4.37%	67.98%
Income Tax	$23.06M	$20.59M
% Of Pretax Income	23.51%	21.91%
Net Earnings	$75.00M	$73.38M
YoY Change	2.2%	56.63%
Net Earnings / Revenue	43.62%	44.93%
Basic Earnings Per Share	$1.00	$0.92
Diluted Earnings Per Share	$0.99	$0.92
COMMON SHARES
Basic Shares Outstanding	75.33M	79.53M
Diluted Shares Outstanding	75.72M	79.83M

Balance Sheet

Concept	2022 Q1	2021 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.258B	$1.754B
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	$98.80M	$101.9M
YoY Change	-3.01%	-1.56%
Goodwill	$375.7M	$372.2M
YoY Change	0.94%	0.0%
Intangibles	$7.512M	$5.249M
YoY Change	43.11%	-15.16%
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	$20.87B	$19.23B
YoY Change	8.51%	5.1%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$35.40M	$36.00M
YoY Change	-1.66%	2.86%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due	$0.00	$0.00
YoY Change
Total Short-Term Liabilities	$35.40M	$36.00M
YoY Change	-1.66%	2.86%
LONG-TERM LIABILITIES
Long-Term Debt	$142.2M	$142.0M
YoY Change	0.17%	-4.05%
Other Long-Term Liabilities	$179.7M	$156.0M
YoY Change	15.18%	-20.81%
Total Long-Term Liabilities	$321.9M	$298.0M
YoY Change	8.03%	-13.62%
TOTAL LIABILITIES
Total Short-Term Liabilities	$35.40M	$36.00M
Total Long-Term Liabilities	$321.9M	$298.0M
Total Liabilities	$18.44B	$16.77B
YoY Change	10.0%	4.9%
SHAREHOLDERS EQUITY
Retained Earnings	$2.035B	$1.837B
YoY Change	10.75%	9.27%
Common Stock	$909.0K	$907.0K
YoY Change	0.22%	0.55%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$542.1M	$342.1M
YoY Change	58.46%	3.23%
Treasury Stock Shares	$15.83M	$11.13M
Shareholders Equity	$2.422B	$2.461B
YoY Change
Total Liabilities & Shareholders Equity	$20.87B	$19.23B
YoY Change	8.51%	5.1%

Cashflow Statement

Concept	2022 Q1	2021 Q1
OPERATING ACTIVITIES
Net Income	$75.00M	$73.38M
YoY Change	2.2%	56.63%
Depreciation, Depletion And Amortization	$2.112M	$2.044M
YoY Change	3.33%	13.75%
Cash From Operating Activities	$86.46M	$91.57M
YoY Change	-5.58%	-3.64%
INVESTING ACTIVITIES
Capital Expenditures	$1.276M	$760.0K
YoY Change	67.89%	-12.34%
Acquisitions	$73.88M	$0.00
YoY Change
Other Investing Activities	-$645.3M	$98.10M
YoY Change	-757.83%	-127.2%
Cash From Investing Activities	-$646.6M	$97.38M
YoY Change	-764.0%	-126.94%
FINANCING ACTIVITIES
Cash Dividend Paid	$25.52M	$24.65M
YoY Change	3.51%	-0.04%
Common Stock Issuance & Retirement, Net	$32.90M	$0.00
YoY Change		-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$631.5M	$144.3M
YoY Change	-537.71%	-16.48%
NET CHANGE
Cash From Operating Activities	$86.46M	$91.57M
Cash From Investing Activities	-$646.6M	$97.38M
Cash From Financing Activities	-$631.5M	$144.3M
Net Change In Cash	-$1.192B	$333.2M
YoY Change	-457.61%	-455.39%
FREE CASH FLOW
Cash From Operating Activities	$86.46M	$91.57M
Capital Expenditures	$1.276M	$760.0K
Free Cash Flow	$85.18M	$90.81M
YoY Change	-6.2%	-3.56%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	75149231
CY2022Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1284863000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1126867000	USD
CY2022Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2022Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2022Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	90904183
CY2022Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	75078258
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	90871860
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	75750862
CY2022Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	15825925
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	15120998
CY2021	caty	Average Reserve Balances Required To Be Maintained With Federal Bank AverageReserveBalancesRequiredToBeMaintainedWithFederalBank	0	USD
CY2022Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	USD
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	0	USD
CY2022Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	138979000	USD
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	134141000	USD
CY2022Q1	caty	Short Term Investments And Interest Bearing Deposits ShortTermInvestmentsAndInterestBearingDeposits	1119105000	USD
CY2021Q4	caty	Short Term Investments And Interest Bearing Deposits ShortTermInvestmentsAndInterestBearingDeposits	2315563000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1219541000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1127309000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	17398357000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	16342479000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	145786000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	136157000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4679000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4321000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	17247892000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	16202001000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	27740000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	22319000	USD
CY2022Q1	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	17250000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	17250000	USD
CY2022Q1	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	4067000	USD
CY2021Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	4368000	USD
CY2022Q1	caty	Affordable Housing Investments And Alternative Energy Partnerships Net AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet	289430000	USD
CY2021Q4	caty	Affordable Housing Investments And Alternative Energy Partnerships Net AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet	299211000	USD
CY2022Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	98795000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	99402000	USD
CY2022Q1	us-gaap	Due From Customer Acceptances DueFromCustomerAcceptances	6753000	USD
CY2021Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	2522442000	USD
CY2021Q4	us-gaap	Due From Customer Acceptances DueFromCustomerAcceptances	8112000	USD
CY2022Q1	us-gaap	Interest Receivable InterestReceivable	60056000	USD
CY2022Q1	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	5113385000	USD
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4492054000	USD
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	56994000	USD
CY2022Q1	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	2435725000	USD
CY2022Q1	us-gaap	Goodwill Goodwill	375706000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	372189000	USD
CY2022Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	7512000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4627000	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	32045000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	27834000	USD
CY2022Q1	us-gaap	Other Assets OtherAssets	221699000	USD
CY2021Q4	us-gaap	Other Assets OtherAssets	195403000	USD
CY2022Q1	us-gaap	Assets Assets	20866570000	USD
CY2021Q4	us-gaap	Assets Assets	20886723000	USD
CY2022Q1	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4398779000	USD
CY2021Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	4611579000	USD
CY2022Q1	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1156727000	USD
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	915515000	USD
CY2022Q1	us-gaap	Time Deposits TimeDeposits	4955645000	USD
CY2021Q4	us-gaap	Time Deposits TimeDeposits	5517252000	USD
CY2022Q1	us-gaap	Deposits Deposits	18060261000	USD
CY2021Q4	us-gaap	Deposits Deposits	18058842000	USD
CY2022Q1	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	20000000	USD
CY2021Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	20000000	USD
CY2022Q1	caty	Other Borrowings For Affordable Housing Investments OtherBorrowingsForAffordableHousingInvestments	23108000	USD
CY2021Q4	caty	Other Borrowings For Affordable Housing Investments OtherBorrowingsForAffordableHousingInvestments	23145000	USD
CY2022Q1	us-gaap	Long Term Debt LongTermDebt	119136000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	119136000	USD
CY2022Q1	us-gaap	Bank Acceptances Executed And Outstanding BankAcceptancesExecutedAndOutstanding	6753000	USD
CY2021Q4	us-gaap	Bank Acceptances Executed And Outstanding BankAcceptancesExecutedAndOutstanding	8112000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	35403000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	30694000	USD
CY2022Q1	us-gaap	Other Liabilities OtherLiabilities	179679000	USD
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	180543000	USD
CY2022Q1	us-gaap	Liabilities Liabilities	18444340000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	18440472000	USD
CY2022Q1	us-gaap	Common Stock Value CommonStockValue	909000	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	909000	USD
CY2022Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	974748000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	972474000	USD
CY2022Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-45977000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3065000	USD
CY2022Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2034681000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1985168000	USD
CY2022Q1	us-gaap	Treasury Stock Value TreasuryStockValue	542131000	USD
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	509235000	USD
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	2422230000	USD
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CY2022Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	20866570000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	20886723000	USD
CY2022Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	166094000	USD
CY2021Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	159721000	USD
CY2022Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	4828000	USD
CY2021Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3067000	USD
CY2022Q1	caty	Dividend Income From Federal Home Loan Bank Stock DividendIncomeFromFederalHomeLoanBankStock	261000	USD
CY2021Q1	caty	Dividend Income From Federal Home Loan Bank Stock DividendIncomeFromFederalHomeLoanBankStock	217000	USD
CY2022Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	763000	USD
CY2021Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	315000	USD
CY2022Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	171946000	USD
CY2021Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	163320000	USD
CY2021Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	141818000	USD
CY2022Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	8643000	USD
CY2021Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-13558000	USD
CY2022Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	150548000	USD
CY2021Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	155376000	USD
CY2022Q1	us-gaap	Occupancy Net OccupancyNet	5613000	USD
CY2021Q1	us-gaap	Occupancy Net OccupancyNet	5046000	USD
CY2022Q1	us-gaap	Equipment Expense EquipmentExpense	2956000	USD
CY2021Q1	us-gaap	Equipment Expense EquipmentExpense	3271000	USD
CY2022Q1	us-gaap	Professional Fees ProfessionalFees	6697000	USD
CY2021Q1	us-gaap	Professional Fees ProfessionalFees	4710000	USD
CY2022Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2909000	USD
CY2021Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3655000	USD
CY2022Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1802000	USD
CY2021Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1925000	USD
CY2022Q1	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	6060000	USD
CY2021Q1	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	14009000	USD
CY2022Q1	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	5128000	USD
CY2021Q1	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	5594000	USD
CY2022Q1	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	143000	USD
CY2021Q1	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	475000	USD
CY2022Q1	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	1424000	USD
CY2021Q1	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	1424000	USD
CY2022Q1	us-gaap	Interest Expense InterestExpense	12755000	USD
CY2021Q1	us-gaap	Interest Expense InterestExpense	21502000	USD
CY2022Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	159191000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	5974000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-2752000	USD
CY2022Q1	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	0	USD
CY2021Q1	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	853000	USD
CY2022Q1	caty	Letter Of Credit Commissions LetterOfCreditCommissions	1556000	USD
CY2021Q1	caty	Letter Of Credit Commissions LetterOfCreditCommissions	1690000	USD
CY2022Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	6677000	USD
CY2021Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	5289000	USD
CY2022Q1	us-gaap	Noninterest Income NoninterestIncome	20232000	USD
CY2021Q1	us-gaap	Noninterest Income NoninterestIncome	10000000	USD
CY2022Q1	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	35475000	USD
CY2021Q1	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	32722000	USD
CY2022Q1	us-gaap	Marketing Expense MarketingExpense	947000	USD
CY2021Q1	us-gaap	Marketing Expense MarketingExpense	2882000	USD
CY2022Q1	caty	Foreclosed Real Estate Expense Income ForeclosedRealEstateExpenseIncome	71000	USD
CY2021Q1	caty	Foreclosed Real Estate Expense Income ForeclosedRealEstateExpenseIncome	94000	USD
CY2022Q1	caty	Operations Of Affordable Housing Investments Net And Alternative Energy Partnerships Net OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet	8287000	USD
CY2021Q1	caty	Operations Of Affordable Housing Investments Net And Alternative Energy Partnerships Net OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet	11570000	USD
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CY2021Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	172000	USD
CY2022Q1	caty	Business Combination Acquisition And Integration Costs BusinessCombinationAcquisitionAndIntegrationCosts	3936000	USD
CY2021Q1	caty	Business Combination Acquisition And Integration Costs BusinessCombinationAcquisitionAndIntegrationCosts	732000	USD
CY2022Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3780000	USD
CY2021Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4624000	USD
CY2022Q1	us-gaap	Noninterest Expense NoninterestExpense	72697000	USD
CY2021Q1	us-gaap	Noninterest Expense NoninterestExpense	71403000	USD
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	98083000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	93973000	USD
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23055000	USD
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	75331976
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79530777
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75719375
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79832305
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2446251000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	945000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2022Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	285000	USD
CY2022Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	32896000	USD
CY2021Q1	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-0	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20589000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	75028000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	73384000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-45966000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4887000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3054000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	1263000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-42912000	USD
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1614000	USD
CY2022Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	25515000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-42912000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	75028000	USD
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	2422230000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2418144000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	868000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3624000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	32116000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	69760000	USD
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.00
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2022Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.34
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.31
CY2021Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1000	USD
CY2021Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1279000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1243000	USD
CY2021Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	24650000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3624000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	73384000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	2460947000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	75028000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	73384000	USD
CY2022Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	8643000	USD
CY2021Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-13558000	USD
CY2022Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-3118000	USD
CY2021Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-6135000	USD
CY2022Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2112000	USD
CY2021Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2044000	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2443000	USD
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2221000	USD
CY2022Q1	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-1744000	USD
CY2021Q1	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	2319000	USD
CY2022Q1	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	6000	USD
CY2022Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	-0	USD
CY2021Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	289000	USD
CY2022Q1	caty	Proceeds From Sale Of Loans Operating Activities ProceedsFromSaleOfLoansOperatingActivities	0	USD
CY2021Q1	caty	Proceeds From Sale Of Loans Operating Activities ProceedsFromSaleOfLoansOperatingActivities	6345000	USD
CY2022Q1	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	-0	USD
CY2021Q1	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	6056000	USD
CY2022Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-25000	USD
CY2021Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-22000	USD
CY2022Q1	caty	Accretion Amortization Of Investments AccretionAmortizationOfInvestments	8287000	USD
CY2021Q1	caty	Accretion Amortization Of Investments AccretionAmortizationOfInvestments	11641000	USD
CY2022Q1	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-100000	USD
CY2021Q1	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	853000	USD
CY2022Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1494000	USD
CY2021Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2282000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5874000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-2752000	USD
CY2022Q1	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	1614000	USD
CY2021Q1	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	1243000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	13309000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-11863000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	4726000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-9924000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	86457000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	91571000	USD
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	204882000	USD
CY2021Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	50450000	USD
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	45393000	USD
CY2021Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	148685000	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	553000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	21102000	USD
CY2022Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	413721000	USD
CY2021Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	15246000	USD
CY2022Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1276000	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	760000	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	307000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	USD
CY2022Q1	caty	Net Increase In Investment In Affordable Housing Investing And Alternative Energy Partnerships NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships	-902000	USD
CY2021Q1	caty	Net Increase In Investment In Affordable Housing Investing And Alternative Energy Partnerships NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships	5950000	USD
CY2022Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	73882000	USD
CY2021Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-0	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-646606000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	97381000	USD
CY2022Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-573720000	USD
CY2021Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	244327000	USD
CY2022Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
CY2021Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	50000000	USD
CY2022Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	-0	USD
CY2021Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	125000000	USD
CY2022Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	25515000	USD
CY2021Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	24650000	USD
CY2022Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	32896000	USD
CY2021Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	USD
CY2022Q1	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	945000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	868000	USD
CY2022Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	285000	USD
CY2021Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1279000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-631471000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	144266000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1191620000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	333218000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2449704000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1421078000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1258084000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1754296000	USD
CY2022Q1	us-gaap	Interest Paid Net InterestPaidNet	12896000	USD
CY2021Q1	us-gaap	Interest Paid Net InterestPaidNet	25872000	USD
CY2022Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	1281000	USD
CY2021Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	2891000	USD
CY2022Q1	caty	Net Change In Unrealized Holding Loss Gain On Securities Available For Sale Net Of Tax NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax	-45966000	USD
CY2021Q1	caty	Net Change In Unrealized Holding Loss Gain On Securities Available For Sale Net Of Tax NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax	-4887000	USD
CY2022Q1	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	3054000	USD
CY2021Q1	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	1263000	USD
CY2022Q1	caty	Transfers To Other Real Estate Owned From Loans Held For Investment TransfersToOtherRealEstateOwnedFromLoansHeldForInvestment	0	USD
CY2021Q1	caty	Transfers To Other Real Estate Owned From Loans Held For Investment TransfersToOtherRealEstateOwnedFromLoansHeldForInvestment	0	USD
CY2022Q1	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”), ten limited partnerships investing in affordable housing investments in which the Bank is the sole limited partner, and GBC Venture Capital, Inc. 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, 2022, </em>the Bank operates 27 branches in Southern California, 20 branches in Northern California, 10 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>
CY2022Q1	caty	Number Of Limited Partnerships In Housing Investments NumberOfLimitedPartnershipsInHousingInvestments	10	pure
CY2022Q1	caty	Percentage Of Subsidiaries Common Securities Owned By Parent Company PercentageOfSubsidiariesCommonSecuritiesOwnedByParentCompany	1	pure
CY2022Q1	caty	Average Reserve Balances Required To Be Maintained With Federal Bank AverageReserveBalancesRequiredToBeMaintainedWithFederalBank	0	USD
CY2022Q1	caty	Average Excess Balances Maintained With Federal Reserve Bank AverageExcessBalancesMaintainedWithFederalReserveBank	1600000000	USD
CY2021	caty	Average Excess Balances Maintained With Federal Reserve Bank AverageExcessBalancesMaintainedWithFederalReserveBank	1600000000	USD
CY2022Q1	us-gaap	Margin Deposit Assets MarginDepositAssets	3300000	USD
CY2021Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	24300000	USD
CY2022Q1	us-gaap	Restricted Cash RestrictedCash	0	USD
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	690000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	75028000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	73384000	USD
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	75331976
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79530777
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	387399
CY2021Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	301528
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75719375
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79832305
CY2022Q1	caty	Average Shares Of Stock Options And Restricted Stock Units With Anti Dilutive Effect AverageSharesOfStockOptionsAndRestrictedStockUnitsWithAntiDilutiveEffect	22574
CY2021Q1	caty	Average Shares Of Stock Options And Restricted Stock Units With Anti Dilutive Effect AverageSharesOfStockOptionsAndRestrictedStockUnitsWithAntiDilutiveEffect	71108
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.00
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2022Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1797392
CY2022Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1284863000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1625000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	66947000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1219541000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1126867000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	11075000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10633000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1127309000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	124789000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	124794000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	126637000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	117089000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	142206000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	141424000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	891231000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	836234000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1284863000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1219541000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5900000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-2800000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	27700000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	22300000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	845994000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	49282000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	164771000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	17665000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1010765000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	66947000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	639985000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	9198000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	28429000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1435000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	668414000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	10633000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	156	pure
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	88	pure
CY2022Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2022Q1	caty	Pledged Investment Securities PledgedInvestmentSecurities	28800000	USD
CY2021Q4	caty	Pledged Investment Securities PledgedInvestmentSecurities	30500000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	17398357000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	16342479000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	145786000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	136157000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4679000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4321000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	17247892000	USD
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CY2021Q1	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	81040000	USD
CY2021Q1	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	174000	USD
CY2022Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	46853000	USD
CY2022Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	38513000	USD
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CY2022Q1	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	47820000	USD
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CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	38401000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	38272000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	27445000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	4547000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	84608000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	65846000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	4547000	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	17398357000	USD
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CY2022Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	6	pure
CY2022Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	6461000	USD
CY2022Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	6461000	USD
CY2022Q1	caty	Financing Receivables Impaired Troubled Debt Restructuring Specific Reserve FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve	0	USD
CY2022Q1	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	2567000	USD
CY2021Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
CY2021Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	686000	USD
CY2021Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	686000	USD
CY2021Q1	caty	Financing Receivables Impaired Troubled Debt Restructuring Specific Reserve FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve	0	USD
CY2021Q1	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
CY2022Q1	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	USD
CY2022Q1	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	952663000	USD
CY2022Q1	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	3878281000	USD
CY2022Q1	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	2335405000	USD
CY2022Q1	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	2276926000	USD
CY2022Q1	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	1786289000	USD
CY2022Q1	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	3932478000	USD
CY2022Q1	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	2190482000	USD
CY2022Q1	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	41154000	USD
CY2022Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	17393678000	USD
CY2022Q1	caty	Financing Receivable Year One Originated Current Fiscal Year Allowance For Credit Loss Write Off FinancingReceivableYearOneOriginatedCurrentFiscalYearAllowanceForCreditLossWriteOff	0	USD
CY2022Q1	caty	Financing Receivable Year Two Originated Allowance For Credit Loss Write Off After Recovery FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery	0	USD
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CY2022Q1	caty	Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Allowance For Credit Loss Write Off After Recovery FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery	-36000	USD
CY2022Q1	caty	Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Allowance For Credit Loss Write Off After Recovery FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery	-37000	USD
CY2022Q1	caty	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Allowance For Credit Loss Write Off After Recovery FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery	-260000	USD
CY2022Q1	caty	Financing Receivable Revolving Allowance For Credit Loss Write Off After Recovery FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery	-73000	USD
CY2022Q1	caty	Financing Receivable Revolving Converted To Term Loan Writeoff After Recovery FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery	-4000	USD
CY2022Q1	caty	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Net FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet	-290000	USD
CY2021Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	3731615000	USD
CY2021Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	2371671000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	2361902000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	1885467000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	1344458000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	2492497000	USD
CY2021Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	2107052000	USD
CY2021Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	43496000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	16338158000	USD
CY2021	caty	Financing Receivable Year One Originated Current Fiscal Year Allowance For Credit Loss Write Off FinancingReceivableYearOneOriginatedCurrentFiscalYearAllowanceForCreditLossWriteOff	0	USD
CY2021	caty	Financing Receivable Year Two Originated Allowance For Credit Loss Write Off After Recovery FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery	1477000	USD
CY2021	caty	Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Allowance For Credit Loss Write Off After Recovery FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery	238000	USD
CY2021	caty	Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Allowance For Credit Loss Write Off After Recovery FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery	242000	USD
CY2021	caty	Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Allowance For Credit Loss Write Off After Recovery FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery	3000	USD
CY2021	caty	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Allowance For Credit Loss Write Off After Recovery FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery	-453000	USD
CY2021	caty	Financing Receivable Revolving Allowance For Credit Loss Write Off After Recovery FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery	16168000	USD
CY2021	caty	Financing Receivable Revolving Converted To Term Loan Writeoff After Recovery FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery	-64000	USD
CY2021	caty	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Net FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet	17611000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	136157000	USD
CY2022Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	9339000	USD
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	221000	USD
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	511000	USD
CY2022Q1	caty	Financing Receivable Allowance For Credit Losses Net Charge Offs FinancingReceivableAllowanceForCreditLossesNetChargeOffs	290000	USD
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	145786000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	166538000	USD
CY2021Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-12109000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	9138000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1379000	USD
CY2021Q1	caty	Financing Receivable Allowance For Credit Loss Writeoff After Recovery Net FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet	7759000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	145110000	USD
CY2022Q1	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	0	USD
CY2022Q1	us-gaap	Junior Subordinated Long Term Notes JuniorSubordinatedLongTermNotes	119100000	USD
CY2021Q4	us-gaap	Junior Subordinated Long Term Notes JuniorSubordinatedLongTermNotes	119100000	USD
CY2022Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.235	pure
CY2021Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.219	pure
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1219541000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	27740000	USD
CY2022Q1	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1287058000	USD
CY2022Q1	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	23125000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1127309000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	22319000	USD
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1160854000	USD
CY2021Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	12969000	USD
CY2022Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2021Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	71000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1172000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	7836000	USD
CY2022Q1	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Gain NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain	208263000	USD
CY2022Q1	caty	Foreign Exchange Contract Asset Fair Value Gain Disclosure ForeignExchangeContractAssetFairValueGainDisclosure	1376000	USD
CY2021Q4	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Gain NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain	181997000	USD
CY2021Q4	caty	Foreign Exchange Contract Asset Fair Value Gain Disclosure ForeignExchangeContractAssetFairValueGainDisclosure	1113000	USD
CY2022Q1	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	989849000	USD
CY2022Q1	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	38377000	USD
CY2021Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	904635000	USD
CY2021Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	10090000	USD
CY2022Q1	caty	Options Options	0	USD
CY2022Q1	caty	Option Contracts Fair Value OptionContractsFairValue	0	USD
CY2021Q4	caty	Options Options	676000	USD
CY2021Q4	caty	Option Contracts Fair Value OptionContractsFairValue	2911000	USD
CY2022Q1	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Loss NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss	27587000	USD
CY2022Q1	caty	Foreign Currency Contract Asset Fair Value Loss Disclosure ForeignCurrencyContractAssetFairValueLossDisclosure	142000	USD
CY2021Q4	caty	Notional Amount Of Foreign Currency Derivative Purchase Contracts With Loss NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss	51782000	USD
CY2021Q4	caty	Foreign Currency Contract Asset Fair Value Loss Disclosure ForeignCurrencyContractAssetFairValueLossDisclosure	327000	USD
CY2022Q1	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	852894000	USD
CY2022Q1	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	22983000	USD
CY2021Q4	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	872400000	USD
CY2021Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	12642000	USD
CY2022Q1	caty	Commitments To Extend Notional Amount CommitmentsToExtendNotionalAmount	3261172000	USD
CY2022Q1	caty	Commitments To Extend Credit Fair Value CommitmentsToExtendCreditFairValue	-13200000	USD
CY2021Q4	caty	Commitments To Extend Notional Amount CommitmentsToExtendNotionalAmount	3297362000	USD
CY2021Q4	caty	Commitments To Extend Credit Fair Value CommitmentsToExtendCreditFairValue	-12594000	USD
CY2022Q1	caty	Standby Letters Of Credit Notional Amount StandbyLettersOfCreditNotionalAmount	284608000	USD
CY2022Q1	caty	Standby Letters Of Credit Fair Value StandbyLettersOfCreditFairValue	-2648000	USD
CY2021Q4	caty	Standby Letters Of Credit Notional Amount StandbyLettersOfCreditNotionalAmount	266490000	USD
CY2021Q4	caty	Standby Letters Of Credit Fair Value StandbyLettersOfCreditFairValue	-2640000	USD
CY2022Q1	caty	Other Letters Of Credit Notional Amount OtherLettersOfCreditNotionalAmount	21981000	USD
CY2022Q1	caty	Other Letters Of Credit Fair Value OtherLettersOfCreditFairValue	-20000	USD
CY2021Q4	caty	Other Letters Of Credit Notional Amount OtherLettersOfCreditNotionalAmount	16652000	USD
CY2021Q4	caty	Other Letters Of Credit Fair Value OtherLettersOfCreditFairValue	-13000	USD
CY2014Q2	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	119100000	USD
CY2022Q1	us-gaap	Goodwill Goodwill	375700000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	372200000	USD
CY2022Q1	caty	Periodic Net Settlements On Interest Rate Swaps Income PeriodicNetSettlementsOnInterestRateSwapsIncome	-1762000	USD
CY2021Q1	caty	Periodic Net Settlements On Interest Rate Swaps Income PeriodicNetSettlementsOnInterestRateSwapsIncome	-2387000	USD
CY2022Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	315000	USD
CY2022Q1	caty	Net Amount Of Derivative Liabilities Presented In The Balance Sheet NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet	22988000	USD
CY2022Q1	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	-0	USD
CY2022Q1	us-gaap	Derivative Assets DerivativeAssets	38377000	USD
CY2022Q1	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet	38377000	USD
CY2022Q1	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	0	USD
CY2022Q1	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet Not Offset NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset	38377000	USD
CY2022Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	23303000	USD
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	10090000	USD
CY2021Q4	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet	10090000	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	-0	USD
CY2021Q4	caty	Net Amount Of Derivative Assets Presented In The Balance Sheet Not Offset NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset	10090000	USD
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	15748000	USD
CY2021Q4	caty	Net Amount Of Derivative Liabilities Presented In The Balance Sheet NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet	12642000	USD
CY2021Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	-0	USD
CY2022Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	10833000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	9160000	USD
CY2022Q1	caty	Noninteres Income Not Inscope NoninteresIncomeNotInscope	9399000	USD
CY2021Q1	caty	Noninteres Income Not Inscope NoninteresIncomeNotInscope	840000	USD
CY2022Q1	us-gaap	Noninterest Income NoninterestIncome	20232000	USD
CY2021Q1	us-gaap	Noninterest Income NoninterestIncome	10000000	USD
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CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2450000000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	75000000.0	USD
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1600000	USD
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CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-42900000	USD
CY2022Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	32900000	USD
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CY2022Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	300000	USD
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CY2022Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	125000000.0	USD
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CY2022Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	32900000	USD
CY2022Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	46.67

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$CATY
CATHAY GENERAL BANCORP Stock $caty

2022 Q1 Form 10-Q Financial Statement

#000143774922011384 Filed on May 09, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CATY CATHAY GENERAL BANCORP Stock $caty

2022 Q1 Form 10-Q Financial Statement

#000143774922011384 Filed on May 09, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CATY
CATHAY GENERAL BANCORP Stock $caty