$CUBI
Customers Bancorp, Inc. Stock $cubi

$cubi Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000148881324000055 Filed on May 09, 2024

Income Statement

Concept	2024 Q2	2024 Q1
Revenue	$334.0M	$331.8M
YoY Change	1.17%	5.34%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$16.23M	$21.90M
YoY Change	-1.1%	32.04%
% of Gross Profit
Depreciation & Amortization	$6.463M	$8.246M
YoY Change	-16.46%	-6.65%
% of Gross Profit
Operating Expenses	$16.23M	$21.90M
YoY Change	-1.1%	32.04%
Operating Profit
YoY Change
Interest Expense	$166.4M	$171.4M
YoY Change	0.91%	3.84%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$77.12M	$65.38M
YoY Change	12.84%	-4.26%
Income Tax	$19.03M	$15.65M
% Of Pretax Income	24.68%	23.94%
Net Earnings	$54.30M	$45.93M
YoY Change	23.39%	-8.63%
Net Earnings / Revenue	16.26%	13.84%
Basic Earnings Per Share	$1.72	$1.46
Diluted Earnings Per Share	$1.66	$1.40
COMMON SHARES
Basic Shares Outstanding	31.65M shares	31.48M shares
Diluted Shares Outstanding	32.70M shares	32.85M shares

Balance Sheet

Concept	2024 Q2	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$3.049B	$3.701B
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	$7.019M	$7.253M
YoY Change	-12.6%	-15.48%
Goodwill
YoY Change
Intangibles
YoY Change
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	$20.94B	$21.35B
YoY Change	-4.93%	-1.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$193.3M	$193.1M
YoY Change	-28.27%	-22.51%
Accrued Expenses	$19.05M	$18.99M
YoY Change	-4.34%	-9.87%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$193.3M	$193.1M
YoY Change	-28.27%	-22.51%
LONG-TERM LIABILITIES
Long-Term Debt	$306.3M	$306.2M
YoY Change	0.18%	0.18%
Other Long-Term Liabilities		$31.96M
YoY Change		-3.15%
Total Long-Term Liabilities	$306.3M	$306.2M
YoY Change	0.18%	0.18%
TOTAL LIABILITIES
Total Short-Term Liabilities	$193.3M	$193.1M
Total Long-Term Liabilities	$306.3M	$306.2M
Total Liabilities	$19.20B	$19.66B
YoY Change	-6.69%	-3.32%
SHAREHOLDERS EQUITY
Retained Earnings	$1.260B	$1.206B
YoY Change	23.7%	23.72%
Common Stock	$35.69M	$35.54M
YoY Change	1.09%	0.8%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.747B	$1.692B
YoY Change
Total Liabilities & Shareholders Equity	$20.94B	$21.35B
YoY Change	-4.93%	-1.86%

Cashflow Statement

Concept	2024 Q2	2024 Q1
OPERATING ACTIVITIES
Net Income	$54.30M	$45.93M
YoY Change	23.39%	-8.63%
Depreciation, Depletion And Amortization	$6.463M	$8.246M
YoY Change	-16.46%	-6.65%
Cash From Operating Activities	$6.075M	-$18.82M
YoY Change	-93.21%	-207.3%
INVESTING ACTIVITIES
Capital Expenditures	$15.91M	$418.0K
YoY Change	24.03%	221.54%
Acquisitions
YoY Change
Other Investing Activities	-$179.2M	-$158.7M
YoY Change	-122.18%	-119.67%
Cash From Investing Activities	-$195.2M	-$163.2M
YoY Change	-124.53%	-120.28%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-463.4M	$36.75M
YoY Change	-307.26%	-95.22%
NET CHANGE
Cash From Operating Activities	6.075M	-$18.82M
Cash From Investing Activities	-195.2M	-$163.2M
Cash From Financing Activities	-463.4M	$36.75M
Net Change In Cash	-652.5M	-$145.2M
YoY Change	-158.86%	-109.13%
FREE CASH FLOW
Cash From Operating Activities	$6.075M	-$18.82M
Capital Expenditures	$15.91M	$418.0K
Free Cash Flow	-$9.837M	-$19.24M
YoY Change	-112.84%	-210.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	5700000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	5700000	shares
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2024Q1	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2024Q1	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	46802000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	47316000	usd
CY2024Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	52817000	usd
CY2023Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	10395000	usd
CY2024Q1	us-gaap	Interest And Fee Income Loans And Leases Held For Sale InterestAndFeeIncomeLoansAndLeasesHeldForSale	12048000	usd
CY2023Q1	us-gaap	Interest And Fee Income Loans And Leases Held For Sale InterestAndFeeIncomeLoansAndLeasesHeldForSale	11701000	usd
CY2024Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	2111000	usd
CY2023Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1321000	usd
CY2024Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	331777000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	314945000	usd
CY2024Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	153725000	usd
CY2023Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	143930000	usd
CY2024Q1	cubi	Interest Expense Federal Home Loan Bank Advances Short Term InterestExpenseFederalHomeLoanBankAdvancesShortTerm	13485000	usd
CY2023Q1	cubi	Interest Expense Federal Home Loan Bank Advances Short Term InterestExpenseFederalHomeLoanBankAdvancesShortTerm	10370000	usd
CY2024Q1	cubi	Interest Expense Federal Reserve Bank Advances Short Term InterestExpenseFederalReserveBankAdvancesShortTerm	0	usd
CY2023Q1	cubi	Interest Expense Federal Reserve Bank Advances Short Term InterestExpenseFederalReserveBankAdvancesShortTerm	6286000	usd
CY2024Q1	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	2689000	usd
CY2023Q1	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	2689000	usd
CY2024Q1	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	1493000	usd
CY2023Q1	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	1771000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	171392000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	165046000	usd
CY2024Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	160385000	usd
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	149899000	usd
CY2024Q1	cubi	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Including Portion Of Available For Sale Securities FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalIncludingPortionOfAvailableForSaleSecurities	17070000	usd
CY2023Q1	cubi	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Including Portion Of Available For Sale Securities FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalIncludingPortionOfAvailableForSaleSecurities	19603000	usd
CY2024Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	143315000	usd
CY2023Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	130296000	usd
CY2024Q1	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	9683000	usd
CY2023Q1	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	9326000	usd
CY2024Q1	cubi	Income From Loan Fees IncomeFromLoanFees	5280000	usd
CY2023Q1	cubi	Income From Loan Fees IncomeFromLoanFees	3990000	usd
CY2024Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3261000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2647000	usd
CY2024Q1	cubi	Fees Mortgage Warehouse Lending FeesMortgageWarehouseLending	946000	usd
CY2023Q1	cubi	Fees Mortgage Warehouse Lending FeesMortgageWarehouseLending	1074000	usd
CY2024Q1	cubi	Gain Loss On Sale Of Mortgages And Other Loans GainLossOnSaleOfMortgagesAndOtherLoans	10000	usd
CY2023Q1	cubi	Gain Loss On Sale Of Mortgages And Other Loans GainLossOnSaleOfMortgagesAndOtherLoans	0	usd
CY2024Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-30000	usd
CY2023Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	0	usd
CY2024Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2081000	usd
CY2023Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1084000	usd
CY2024Q1	us-gaap	Noninterest Income NoninterestIncome	21231000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	18121000	usd
CY2024Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	36025000	usd
CY2023Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	32345000	usd
CY2024Q1	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	21904000	usd
CY2023Q1	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	16589000	usd
CY2024Q1	cubi	Operating Leases Commercial Lease Depreciation OperatingLeasesCommercialLeaseDepreciation	7970000	usd
CY2023Q1	cubi	Operating Leases Commercial Lease Depreciation OperatingLeasesCommercialLeaseDepreciation	7875000	usd
CY2024Q1	us-gaap	Professional Fees ProfessionalFees	6353000	usd
CY2023Q1	us-gaap	Professional Fees ProfessionalFees	7596000	usd
CY2024Q1	us-gaap	Loan Processing Fee LoanProcessingFee	4031000	usd
CY2023Q1	us-gaap	Loan Processing Fee LoanProcessingFee	4661000	usd
CY2024Q1	us-gaap	Occupancy Net OccupancyNet	2347000	usd
CY2023Q1	us-gaap	Occupancy Net OccupancyNet	2760000	usd
CY2024Q1	cubi	Fdic Assessments Taxes And Regulatory Fees FdicAssessmentsTaxesAndRegulatoryFees	13469000	usd
CY2023Q1	cubi	Fdic Assessments Taxes And Regulatory Fees FdicAssessmentsTaxesAndRegulatoryFees	2728000	usd
CY2024Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	682000	usd
CY2023Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1049000	usd
CY2024Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6388000	usd
CY2023Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4530000	usd
CY2024Q1	us-gaap	Noninterest Expense NoninterestExpense	99169000	usd
CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	80133000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	65377000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	68284000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15651000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14563000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	49726000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	53721000	usd
CY2024Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	3800000	usd
CY2023Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	3456000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	45926000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	45926000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	50265000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	50265000	usd
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.46
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.40
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.55
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	49726000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	53721000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4480000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	8270000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1138000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2101000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-30000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-8000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
CY2024Q1	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	-1206000	usd
CY2023Q1	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	-872000	usd
CY2024Q1	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	-306000	usd
CY2023Q1	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	-221000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4264000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	6820000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4264000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6820000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	53990000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	60541000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1638394000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	49726000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4264000	usd
CY2024Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3800000	usd
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3976000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-943000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1691617000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1402961000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	53721000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6820000	usd
CY2023Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3456000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2980000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-2200000	usd
CY2023Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	39806000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1421020000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	49726000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	53721000	usd
CY2024Q1	cubi	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Including Portion Of Available For Sale Securities FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalIncludingPortionOfAvailableForSaleSecurities	17070000	usd
CY2023Q1	cubi	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Including Portion Of Available For Sale Securities FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalIncludingPortionOfAvailableForSaleSecurities	19603000	usd
CY2024Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8246000	usd
CY2023Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8833000	usd
CY2024Q1	us-gaap	Share Based Compensation ShareBasedCompensation	3890000	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	3005000	usd
CY2024Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-276000	usd
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	18656000	usd
CY2024Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	2286000	usd
CY2023Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	2682000	usd
CY2024Q1	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-45000	usd
CY2023Q1	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	62000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-30000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
CY2024Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2023Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	109000	usd
CY2024Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	661000	usd
CY2023Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-52000	usd
CY2024Q1	cubi	Gain Loss On Settlement Of Cash Flow Hedges GainLossOnSettlementOfCashFlowHedges	0	usd
CY2023Q1	cubi	Gain Loss On Settlement Of Cash Flow Hedges GainLossOnSettlementOfCashFlowHedges	-4630000	usd
CY2024Q1	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	68000	usd
CY2023Q1	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	0	usd
CY2024Q1	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	340536000	usd
CY2023Q1	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	185919000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	322413000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	106146000	usd
CY2024Q1	cubi	Accretion Of Fair Values Discounts Net AccretionOfFairValuesDiscountsNet	-7367000	usd
CY2023Q1	cubi	Accretion Of Fair Values Discounts Net AccretionOfFairValuesDiscountsNet	-23039000	usd
CY2024Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3261000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2647000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	10576000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	932000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-55207000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	18064000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-18818000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	17538000	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	113323000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	69648000	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	72327000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	44213000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	21970000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2024Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	328905000	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
CY2024Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2023Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	73074000	usd
CY2024Q1	cubi	Origination Of Mortgage Finance Loans OriginationOfMortgageFinanceLoans	4936887000	usd
CY2023Q1	cubi	Origination Of Mortgage Finance Loans OriginationOfMortgageFinanceLoans	4702988000	usd
CY2024Q1	cubi	Proceeds From Payoffs Of Mortgage Finance Loans ProceedsFromPayoffsOfMortgageFinanceLoans	4880422000	usd
CY2023Q1	cubi	Proceeds From Payoffs Of Mortgage Finance Loans ProceedsFromPayoffsOfMortgageFinanceLoans	4794683000	usd
CY2024Q1	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	-16634000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	-736616000	usd
CY2024Q1	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	7403000	usd
CY2023Q1	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	12550000	usd
CY2024Q1	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	176000	usd
CY2023Q1	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	727000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	9481000	usd
CY2023Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	50537000	usd
CY2024Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	418000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	130000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	33000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	0	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Lease Receivables ProceedsFromSaleOfLeaseReceivables	94000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Lease Receivables ProceedsFromSaleOfLeaseReceivables	113000	usd
CY2024Q1	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	4007000	usd
CY2023Q1	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	2076000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-163160000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	804645000	usd
CY2024Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	41501000	usd
CY2023Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-435823000	usd
CY2024Q1	cubi	Proceeds From Repayments Of Short Term Debt From The Federal Home Loan Bank ProceedsFromRepaymentsOfShortTermDebtFromTheFederalHomeLoanBank	0	usd
CY2023Q1	cubi	Proceeds From Repayments Of Short Term Debt From The Federal Home Loan Bank ProceedsFromRepaymentsOfShortTermDebtFromTheFederalHomeLoanBank	-300000000	usd
CY2024Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	usd
CY2023Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	2565000000	usd
CY2024Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	usd
CY2023Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	1015000000	usd
CY2024Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3804000	usd
CY2023Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3450000	usd
CY2024Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2023Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	39806000	usd
CY2024Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1426000	usd
CY2023Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2280000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	481000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	55000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	36752000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	768696000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-145226000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1590879000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3846346000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	455806000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3701120000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2046685000	usd
CY2024Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	usd
CY2023Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	16000000	usd
CY2024Q1	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	858000	usd
CY2023Q1	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	usd
CY2024Q1	us-gaap	Nature Of Operations NatureOfOperations	DESCRIPTION OF THE BUSINESS<div style="margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Customers Bancorp, Inc. (“Customers Bancorp”) is a bank holding company engaged in banking activities through its wholly owned subsidiary, Customers Bank (“the Bank”), collectively referred to as “Customers” herein.</span></div><div style="margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Customers Bancorp and its wholly owned subsidiaries, the Bank, and non-bank subsidiaries, serve businesses and residents in Berks County and Southeastern Pennsylvania (Bucks, Chester and Philadelphia Counties); New York (Westchester and Suffolk Counties, and Manhattan); Hamilton, New Jersey; Boston, Massachusetts; Providence, Rhode Island; Portsmouth, New Hampshire; Chicago, Illinois; Dallas, Texas; Wilmington, North Carolina; and nationally for certain loan and deposit products. The Bank has seven branches and provides commercial banking products, primarily loans and deposits. In addition, the Bank also administratively supports loan and other financial products, including equipment finance leases, to customers through its limited-purpose offices. The Bank also serves specialized businesses nationwide, including its mortgage finance loans, commercial equipment financing, SBA lending, specialized lending and consumer loans through relationships with fintech companies.</span></div><div style="margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Bank is subject to regulation of the Pennsylvania Department of Banking and Securities and the Federal Reserve Bank and is periodically examined by those regulatory authorities.</span></div>
CY2024Q1	cubi	Number Of Branches NumberOfBranches	7	branch
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	45926000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	45926000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	50265000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	50265000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31473424	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31819203	shares
CY2024Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1381110	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	525814	shares
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32854534	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32345017	shares
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.46
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.40
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.55
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2715374000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	5069000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1055000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	140221000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2571139000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	33729000	usd
CY2024Q1	cubi	Investment Securitiesat Fair Value InvestmentSecuritiesatFairValue	2604868000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2524663000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	3952000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1296000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	145147000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2376860000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	28780000	usd
CY2023Q4	cubi	Investment Securitiesat Fair Value InvestmentSecuritiesatFairValue	2405640000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	19500000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	14700000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	22000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	30000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-30000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	31500000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	26852000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	569353000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	525291000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	67606000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	58327000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2715374000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2571139000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	491430000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10535000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1690547000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	112720000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2181977000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	123255000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	356234000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	12782000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1778899000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	116764000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2135133000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	129546000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	38	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	102	security
CY2024Q1	cubi	Number Of Asset Backed Securities With Deterioration In Future Estimated Cash Flows NumberOfAssetBackedSecuritiesWithDeteriorationInFutureEstimatedCashFlows	1	assetbackedsecurity
CY2024Q1	cubi	Number Of Corporate Notes With Deterioration In Future Estimated Cash Flows NumberOfCorporateNotesWithDeteriorationInFutureEstimatedCashFlows	19	corporatenote
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	140	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	140	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	119	security
CY2024Q1	cubi	Number Of Asset Backed Securities With Deterioration In Future Estimated Cash Flows NumberOfAssetBackedSecuritiesWithDeteriorationInFutureEstimatedCashFlows	1	assetbackedsecurity
CY2024Q1	cubi	Number Of Corporate Notes With Deterioration In Future Estimated Cash Flows NumberOfCorporateNotesWithDeteriorationInFutureEstimatedCashFlows	19	corporatenote
CY2023Q1	cubi	Number Of Asset Backed Securities With Deterioration In Future Estimated Cash Flows NumberOfAssetBackedSecuritiesWithDeteriorationInFutureEstimatedCashFlows	4	assetbackedsecurity
CY2023Q1	cubi	Number Of Corporate Notes With Deterioration In Future Estimated Cash Flows NumberOfCorporateNotesWithDeteriorationInFutureEstimatedCashFlows	6	corporatenote
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	3952000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	578000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	502000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	1383000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	648000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	273000	usd
CY2024Q1	cubi	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Decrease On Previously Impaired Securities DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossDecreaseOnPreviouslyImpairedSecurities	33000	usd
CY2023Q1	cubi	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Decrease On Previously Impaired Securities DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossDecreaseOnPreviouslyImpairedSecurities	61000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	5069000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	2173000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	1032037000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1032037000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	345000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	59754000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	972628000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	1103170000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1103170000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	202000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	56933000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1046439000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	2600000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	2700000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Without Single Maturity Date DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityWithoutSingleMaturityDate	1032037000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	972628000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	1032037000	usd
CY2024Q1	cubi	Loans Receivable Held For Sale Net Not Part Of Disposal Group Mortgage1 LoansReceivableHeldForSaleNetNotPartOfDisposalGroupMortgage1	870000	usd
CY2023Q4	cubi	Loans Receivable Held For Sale Net Not Part Of Disposal Group Mortgage1 LoansReceivableHeldForSaleNetNotPartOfDisposalGroupMortgage1	1215000	usd
CY2024Q1	cubi	Loans Receivable Held For Sale Net Not Part Of Disposal Group Personal Installment Loans LoansReceivableHeldForSaleNetNotPartOfDisposalGroupPersonalInstallmentLoans	137755000	usd
CY2023Q4	cubi	Loans Receivable Held For Sale Net Not Part Of Disposal Group Personal Installment Loans LoansReceivableHeldForSaleNetNotPartOfDisposalGroupPersonalInstallmentLoans	151040000	usd
CY2024Q1	cubi	Loans Receivable Held For Sale Net Not Part Of Disposal Group Other Installment Loans LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOtherInstallmentLoans	219015000	usd
CY2023Q4	cubi	Loans Receivable Held For Sale Net Not Part Of Disposal Group Other Installment Loans LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOtherInstallmentLoans	188062000	usd
CY2024Q1	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	357640000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	340317000	usd
CY2024Q1	cubi	Loans Held For Sale Including Nonperforming Loans LoansHeldForSaleIncludingNonperformingLoans	600000	usd
CY2023Q4	cubi	Loans Held For Sale Including Nonperforming Loans LoansHeldForSaleIncludingNonperformingLoans	500000	usd
CY2024Q1	cubi	Financing Receivable Excluding Accrued Interest Including Paycheck Protection Program Receivables Before Allowance For Credit Los FinancingReceivableExcludingAccruedInterestIncludingPaycheckProtectionProgramReceivablesBeforeAllowanceForCreditLos	11936621000	usd
CY2023Q4	cubi	Financing Receivable Excluding Accrued Interest Including Paycheck Protection Program Receivables Before Allowance For Credit Los FinancingReceivableExcludingAccruedInterestIncludingPaycheckProtectionProgramReceivablesBeforeAllowanceForCreditLos	11963855000	usd
CY2024Q1	cubi	Loansreceivablemortgagewarehouse Loansreceivablemortgagewarehouse	962610000	usd
CY2023Q4	cubi	Loansreceivablemortgagewarehouse Loansreceivablemortgagewarehouse	897912000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	133296000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	135311000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	12765935000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	12726456000	usd
CY2024Q1	cubi	Financing Receivable Before Allowance For Credit Loss Payment Protection Program Cares Act FinancingReceivableBeforeAllowanceForCreditLossPaymentProtectionProgramCARESAct	52000000	usd
CY2023Q4	cubi	Financing Receivable Before Allowance For Credit Loss Payment Protection Program Cares Act FinancingReceivableBeforeAllowanceForCreditLossPaymentProtectionProgramCARESAct	74700000	usd
CY2024Q1	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-20400000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-22700000	usd
CY2024Q1	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	92200000	usd
CY2023Q4	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	95000000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11884664000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11889120000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest90 Days Or More Past Due Still Accruing FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing	500000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest90 Days Or More Past Due Still Accruing FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing	500000	usd
CY2024Q1	us-gaap	Financing Receivable Purchased With Credit Deterioration Amount At Purchase Price FinancingReceivablePurchasedWithCreditDeteriorationAmountAtPurchasePrice	154000000	usd
CY2023	us-gaap	Financing Receivable Purchased With Credit Deterioration Amount At Purchase Price FinancingReceivablePurchasedWithCreditDeteriorationAmountAtPurchasePrice	157200000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	25129000	usd
CY2024Q1	cubi	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	9937000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	35066000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	15919000	usd
CY2023Q4	cubi	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	10730000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	26649000	usd
CY2024Q1	cubi	Loans Held For Sale Average Life From Purchase To Sale LoansHeldForSaleAverageLifeFromPurchaseToSale	P30D
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	135311000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	22827000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	4859000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	15953000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	133296000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	130924000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	21114000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	2463000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	18008000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	130281000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	133300000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	-2000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	135300000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	16706000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	5489000	usd
CY2024Q1	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Modified Past12 Months FinancingReceivableExcludingAccruedInterestModifiedPast12Months	43108000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Modified Past12 Months FinancingReceivableExcludingAccruedInterestModifiedPast12Months	5489000	usd
CY2024Q1	cubi	Financing Receivable Before Allowance For Credit Loss Payment Protection Program Cares Act FinancingReceivableBeforeAllowanceForCreditLossPaymentProtectionProgramCARESAct	52000000	usd
CY2023Q4	cubi	Financing Receivable Before Allowance For Credit Loss Payment Protection Program Cares Act FinancingReceivableBeforeAllowanceForCreditLossPaymentProtectionProgramCARESAct	74700000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	550030000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1362831000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	4424761000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	1445361000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	602817000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	1426822000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1715051000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	356991000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11884664000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	1217000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	1537000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	6564000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	8634000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	1965000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	2910000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	0	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan Writeoff FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff	0	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	22827000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1570977000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	4397333000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1521513000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	634860000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	347230000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	1173759000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1843180000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	400268000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11889120000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	9211000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	24986000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	27153000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	15938000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	6821000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	10957000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	0	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan Writeoff FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff	0	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	95066000	usd
CY2023Q2	cubi	Financing Receivable Allowance For Credit Loss Purchased With Credit Deterioration Increase Excluding Charge Offs FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncreaseExcludingChargeOffs	8700000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Purchase FinancingReceivableExcludingAccruedInterestPurchase	7403000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Purchase FinancingReceivableExcludingAccruedInterestPurchase	12550000	usd
CY2024Q1	cubi	Loans Heldforinvestment Purchase Priceasa Percentageof Loans Outstanding LoansHeldforinvestmentPurchasePriceasaPercentageofLoansOutstanding	1.000
CY2023Q1	cubi	Loans Heldforinvestment Purchase Priceasa Percentageof Loans Outstanding LoansHeldforinvestmentPurchasePriceasaPercentageofLoansOutstanding	1.019
CY2024Q1	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P10Y
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	16741000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	15644000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	18987000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	18048000	usd
CY2024Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	1185000	usd
CY2023Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	1218000	usd
CY2023Q1	us-gaap	Variable Lease Cost VariableLeaseCost	0	usd
CY2023Q1	us-gaap	Variable Lease Cost VariableLeaseCost	0	usd
CY2024Q1	us-gaap	Variable Lease Cost VariableLeaseCost	0	usd
CY2024Q1	us-gaap	Variable Lease Cost VariableLeaseCost	0	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	3683000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4218000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3462000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2966000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2600000	usd
CY2024Q1	cubi	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	3667000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	20596000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1609000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	18987000	usd
CY2024Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	1400000	usd
CY2023Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	1700000	usd
CY2024Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y8M12D
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y7M6D
CY2024Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0351
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0328
CY2024Q1	us-gaap	Direct Financing Lease Lease Receivable DirectFinancingLeaseLeaseReceivable	198187000	usd
CY2023Q4	us-gaap	Direct Financing Lease Lease Receivable DirectFinancingLeaseLeaseReceivable	190559000	usd
CY2024Q1	us-gaap	Direct Financing Lease Residual Value Of Leased Asset DirectFinancingLeaseResidualValueOfLeasedAsset	16796000	usd
CY2023Q4	us-gaap	Direct Financing Lease Residual Value Of Leased Asset DirectFinancingLeaseResidualValueOfLeasedAsset	15783000	usd
CY2024Q1	us-gaap	Direct Financing Lease Unguaranteed Residual Asset DirectFinancingLeaseUnguaranteedResidualAsset	10010000	usd
CY2023Q4	us-gaap	Direct Financing Lease Unguaranteed Residual Asset DirectFinancingLeaseUnguaranteedResidualAsset	10010000	usd
CY2024Q1	cubi	Direct Financing Lease Deferred Initial Direct Costs DirectFinancingLeaseDeferredInitialDirectCosts	1231000	usd
CY2023Q4	cubi	Direct Financing Lease Deferred Initial Direct Costs DirectFinancingLeaseDeferredInitialDirectCosts	1213000	usd
CY2024Q1	us-gaap	Direct Financing Lease Deferred Selling Profit DirectFinancingLeaseDeferredSellingProfit	14076000	usd
CY2023Q4	us-gaap	Direct Financing Lease Deferred Selling Profit DirectFinancingLeaseDeferredSellingProfit	11891000	usd
CY2024Q1	us-gaap	Direct Financing Lease Net Investment In Lease Excluding Accrued Interest Before Allowance For Credit Loss DirectFinancingLeaseNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss	212148000	usd
CY2023Q4	us-gaap	Direct Financing Lease Net Investment In Lease Excluding Accrued Interest Before Allowance For Credit Loss DirectFinancingLeaseNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss	205674000	usd
CY2024Q1	cubi	Operating Lease Investmentin Lease Gross OperatingLeaseInvestmentinLeaseGross	278379000	usd
CY2023Q4	cubi	Operating Lease Investmentin Lease Gross OperatingLeaseInvestmentinLeaseGross	282208000	usd
CY2024Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	78739000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	77672000	usd
CY2024Q1	cubi	Operating Lease Deferred Initial Direct Costs OperatingLeaseDeferredInitialDirectCosts	1116000	usd
CY2023Q4	cubi	Operating Lease Deferred Initial Direct Costs OperatingLeaseDeferredInitialDirectCosts	1192000	usd
CY2024Q1	cubi	Operating Lease Net Investmentin Lease OperatingLeaseNetInvestmentinLease	200756000	usd
CY2023Q4	cubi	Operating Lease Net Investmentin Lease OperatingLeaseNetInvestmentinLease	205728000	usd
CY2024Q1	cubi	Net Investmentin Direct Financingand Operating Leases NetInvestmentinDirectFinancingandOperatingLeases	412904000	usd
CY2023Q4	cubi	Net Investmentin Direct Financingand Operating Leases NetInvestmentinDirectFinancingandOperatingLeases	411402000	usd
CY2024Q1	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	32330000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Remainder Of Fiscal Year SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear	38847000	usd
CY2024Q1	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	39137000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	45807000	usd
CY2024Q1	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	44812000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	38092000	usd
CY2024Q1	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	33566000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	33108000	usd
CY2024Q1	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	53255000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	23609000	usd
CY2024Q1	cubi	Lessor Operating Lease Payment To Be Received After Year Four LessorOperatingLeasePaymentToBeReceivedAfterYearFour	25654000	usd
CY2024Q1	cubi	Sales Type And Direct Financing Leases Lease Receivable To Be Received After Year Four SalesTypeAndDirectFinancingLeasesLeaseReceivableToBeReceivedAfterYearFour	19850000	usd
CY2024Q1	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	228754000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	199313000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Undiscounted Excess Amount SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount	1126000	usd
CY2024Q1	us-gaap	Sales Type And Direct Financing Leases Lease Receivable SalesTypeAndDirectFinancingLeasesLeaseReceivable	198187000	usd
CY2024Q1	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	4688880000	usd
CY2023Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	4422494000	usd
CY2024Q1	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	5661775000	usd
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	5580527000	usd
CY2024Q1	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	5428217000	usd
CY2023Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	4629336000	usd
CY2024Q1	us-gaap	Time Deposits TimeDeposits	2182511000	usd
CY2023Q4	us-gaap	Time Deposits TimeDeposits	3287879000	usd
CY2024Q1	us-gaap	Deposits Deposits	17961383000	usd
CY2023Q4	us-gaap	Deposits Deposits	17920236000	usd
CY2024Q1	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	264437000	usd
CY2024Q1	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	361940000	usd
CY2024Q1	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	117773000	usd
CY2024Q1	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	137768000	usd
CY2024Q1	cubi	Time Deposit Maturities After Year Four TimeDepositMaturitiesAfterYearFour	58000	usd
CY2024Q1	us-gaap	Time Deposits TimeDeposits	2182511000	usd
CY2024Q1	us-gaap	Time Deposit Maturities Remainder Of Fiscal Year TimeDepositMaturitiesRemainderOfFiscalYear	1300535000	usd
CY2024Q1	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	238500000	usd
CY2023Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	186300000	usd
CY2024Q1	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1600000	usd
CY2023Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1200000	usd
CY2024Q1	cubi	Deposits State And Municipal Secured By Collateral DepositsStateAndMunicipalSecuredByCollateral	1100000000	usd
CY2023Q4	cubi	Deposits State And Municipal Secured By Collateral DepositsStateAndMunicipalSecuredByCollateral	1100000000	usd
CY2024Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	0	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	250000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0344
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	200000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate One To Two Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate	0.0445
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	200000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Two To Three Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate	0.0432
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	450000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Three To Four Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate	0.0370
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	100000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Four To Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate	0.0419
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	0	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate After Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate	0
CY2024Q1	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1200000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	3431804000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	3474347000	usd
CY2024Q1	cubi	Federal Reserve Bank Maximum Amount Available FederalReserveBankMaximumAmountAvailable	4082885000	usd
CY2023Q4	cubi	Federal Reserve Bank Maximum Amount Available FederalReserveBankMaximumAmountAvailable	3436000000	usd
CY2024Q1	cubi	Preferred Stock Numberof Series Outstanding PreferredStockNumberofSeriesOutstanding	2	series
CY2023Q4	cubi	Preferred Stock Numberof Series Outstanding PreferredStockNumberofSeriesOutstanding	2	series
CY2024Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	5700000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	5700000	shares
CY2024Q1	us-gaap	Preferred Stock Value PreferredStockValue	137794000	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	137794000	usd
CY2024Q1	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	1695246000	usd
CY2024Q1	cubi	Tier One Common Capitalto Risk Weighted Assets TierOneCommonCapitaltoRiskWeightedAssets	0.12622
CY2024Q1	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	604410000	usd
CY2024Q1	cubi	Tier One Common Capital Requiredfor Capital Adequacyto Risk Weighted Assets TierOneCommonCapitalRequiredforCapitalAdequacytoRiskWeightedAssets	0.04500
CY2024Q1	cubi	Common Equity Tier One Capital Requiredfor Basel Iii CommonEquityTierOneCapitalRequiredforBaselIII	940193000	usd
CY2024Q1	cubi	Tier One Common Capital Requiredfor Basel Ii Ito Risk Weighted Assets TierOneCommonCapitalRequiredforBaselIIItoRiskWeightedAssets	0.07000
CY2024Q1	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1833039000	usd
CY2024Q1	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.13648
CY2024Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	805880000	usd
CY2024Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06000
CY2024Q1	cubi	Tier One Risk Based Capital Requiredfor Basel Iii TierOneRiskBasedCapitalRequiredforBaselIII	1141663000	usd
CY2024Q1	cubi	Tier One Risk Based Capital Requiredfor Basel Ii Ito Risk Weighted Assets TierOneRiskBasedCapitalRequiredforBaselIIItoRiskWeightedAssets	0.08500
CY2024Q1	us-gaap	Capital Capital	2129343000	usd
CY2024Q1	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.15854
CY2024Q1	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	1074506000	usd
CY2024Q1	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08000
CY2024Q1	cubi	Capital Requiredfor Basel Iii CapitalRequiredforBaselIII	1410290000	usd
CY2024Q1	cubi	Capital Requiredfor Basel Ii Ito Risk Weighted Assets CapitalRequiredforBaselIIItoRiskWeightedAssets	0.10500
CY2024Q1	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1833039000	usd
CY2024Q1	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.08512
CY2024Q1	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	861350000	usd
CY2024Q1	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04000
CY2024Q1	cubi	Tier One Leverage Capital Requiredfor Basel Iii TierOneLeverageCapitalRequiredforBaselIII	861350000	usd
CY2024Q1	cubi	Tier One Leverage Capital Requiredfor Basel Ii Ito Average Assets TierOneLeverageCapitalRequiredforBaselIIItoAverageAssets	0.04000
CY2023Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	1661149000	usd
CY2023Q4	cubi	Tier One Common Capitalto Risk Weighted Assets TierOneCommonCapitaltoRiskWeightedAssets	0.12230
CY2023Q4	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	611200000	usd
CY2023Q4	cubi	Tier One Common Capital Requiredfor Capital Adequacyto Risk Weighted Assets TierOneCommonCapitalRequiredforCapitalAdequacytoRiskWeightedAssets	0.04500
CY2023Q4	cubi	Common Equity Tier One Capital Requiredfor Basel Iii CommonEquityTierOneCapitalRequiredforBaselIII	950755000	usd
CY2023Q4	cubi	Tier One Common Capital Requiredfor Basel Ii Ito Risk Weighted Assets TierOneCommonCapitalRequiredforBaselIIItoRiskWeightedAssets	0.07000
CY2023Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1798942000	usd
CY2023Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.13245
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	814933000	usd
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06000
CY2023Q4	cubi	Tier One Risk Based Capital Requiredfor Basel Iii TierOneRiskBasedCapitalRequiredforBaselIII	1154489000	usd
CY2023Q4	cubi	Tier One Risk Based Capital Requiredfor Basel Ii Ito Risk Weighted Assets TierOneRiskBasedCapitalRequiredforBaselIIItoRiskWeightedAssets	0.08500
CY2023Q4	us-gaap	Capital Capital	2076550000	usd
CY2023Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.15289
CY2023Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	1086578000	usd
CY2023Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08000
CY2023Q4	cubi	Capital Requiredfor Basel Iii CapitalRequiredforBaselIII	1426133000	usd
CY2023Q4	cubi	Capital Requiredfor Basel Ii Ito Risk Weighted Assets CapitalRequiredforBaselIIItoRiskWeightedAssets	0.10500
CY2023Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1798942000	usd
CY2023Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.08375
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	859189000	usd
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04000
CY2023Q4	cubi	Tier One Leverage Capital Requiredfor Basel Iii TierOneLeverageCapitalRequiredforBaselIII	859189000	usd
CY2023Q4	cubi	Tier One Leverage Capital Requiredfor Basel Ii Ito Average Assets TierOneLeverageCapitalRequiredforBaselIIItoAverageAssets	0.04000
CY2024Q1	cubi	Capital Conservation Bufferto Risk Weighted Assets Year Fourand Thereafter CapitalConservationBuffertoRiskWeightedAssetsYearFourandThereafter	0.02500
CY2024Q1	cubi	Loans Held For Sale Number Of Days Held Prior To Sale LoansHeldForSaleNumberOfDaysHeldPriorToSale	P90D
CY2024Q1	cubi	Loans Held For Sale Average Life From Purchase To Sale LoansHeldForSaleAverageLifeFromPurchaseToSale	P30D
CY2024Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3701120000	usd
CY2024Q1	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	3701120000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2571139000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2571139000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1032037000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	972628000	usd
CY2024Q1	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	357640000	usd
CY2024Q1	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	357640000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	12765935000	usd
CY2024Q1	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	12551635000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	100067000	usd
CY2024Q1	cubi	Federal Home Loan Bank Stock And Federal Reserve Bank Stock Fair Value FederalHomeLoanBankStockAndFederalReserveBankStockFairValue	100067000	usd
CY2024Q1	us-gaap	Derivative Assets DerivativeAssets	21437000	usd
CY2024Q1	us-gaap	Derivative Assets DerivativeAssets	21437000	usd
CY2024Q1	us-gaap	Deposits Deposits	17961383000	usd
CY2024Q1	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	17958161000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	1195088000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	1180285000	usd
CY2024Q1	us-gaap	Other Borrowings OtherBorrowings	123905000	usd
CY2024Q1	cubi	Borrowings Fair Value Disclosure BorrowingsFairValueDisclosure	105761000	usd
CY2024Q1	us-gaap	Subordinated Debt SubordinatedDebt	182300000	usd
CY2024Q1	cubi	Subordinated Debt Fair Value Disclosure SubordinatedDebtFairValueDisclosure	163417000	usd
CY2024Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	31958000	usd
CY2024Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	31958000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3846346000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	3846346000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2376860000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2376860000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1103170000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1046439000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	340317000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	340317000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	12726456000	usd
CY2023Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	12513386000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	109548000	usd
CY2023Q4	cubi	Federal Home Loan Bank Stock And Federal Reserve Bank Stock Fair Value FederalHomeLoanBankStockAndFederalReserveBankStockFairValue	109548000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	17931000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	17931000	usd
CY2023Q4	us-gaap	Deposits Deposits	17920236000	usd
CY2023Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	17922005000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	1203207000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	1188517000	usd
CY2023Q4	us-gaap	Other Borrowings OtherBorrowings	123840000	usd
CY2023Q4	cubi	Borrowings Fair Value Disclosure BorrowingsFairValueDisclosure	103674000	usd
CY2023Q4	us-gaap	Subordinated Debt SubordinatedDebt	182230000	usd
CY2023Q4	cubi	Subordinated Debt Fair Value Disclosure SubordinatedDebtFairValueDisclosure	164233000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	27110000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	27110000	usd
CY2024Q1	cubi	Derivative Net Asset Position Aggregate Fair Value DerivativeNetAssetPositionAggregateFairValue	19800000	usd
CY2024Q1	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	20900000	usd
CY2024Q1	us-gaap	Loss Contingency Disclosures LossContingencyDisclosures	LOSS CONTINGENCIES<div style="margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are any such matters that will have a material effect on the consolidated financial statements that are not currently accrued for. However, in light of the uncertainties inherent in these matters, it is possible that the ultimate resolution may have a material adverse effect on Customers’ results of operations for a particular period, and future changes in circumstances or additional information could result in accruals or resolution in excess of established accruals, which could adversely affect Customers’ results of operations, potentially materially.</span></div>
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

Files In Submission

Name	View Source	Status
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$CUBI
Customers Bancorp, Inc. Stock $cubi

2024 Q2 Form 10-Q Financial Statement

#000148881324000055 Filed on May 09, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CUBI Customers Bancorp, Inc. Stock $cubi

2024 Q2 Form 10-Q Financial Statement

#000148881324000055 Filed on May 09, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CUBI
Customers Bancorp, Inc. Stock $cubi