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[Member] Peach Finance, Inc. Segment Reporting [Table] Segment Reporting [Table] Home Loans Home Equity Loan [Member] Uninsured deposits Time Deposits, at or Above FDIC Insurance Limit Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Fair value at beginning of period Fair value at end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Investments in AFS debt securities, less than 12 months, fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date Due After One Year Through Five Years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year One Through Five Personal loans Personal Loans 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Date [Table Text Block] Corporate bonds Corporate Bond Securities [Member] Servicing fees collected from transferred loans Contractually Specified Servicing Fees, Amount Residential real estate and other consumer Residential Real Estate and Other Consumer [Member] Residential Real Estate and Other Consumer Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Schedule of Nonconsolidated VIEs and Securitization of Investments Schedule of Variable Interest Entities [Table Text Block] Interest-bearing deposits: Interest-Bearing Deposit Liabilities [Abstract] Discount rate Sensitivity Analysis Of Fair Value, Discount Rate [Abstract] Sensitivity Analysis Of Fair Value, Discount Rate Equity 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Contingencies Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Executive Category: Executive Category [Axis] Aggregate amount committed Loan Origination Commitments Loan Origination Commitments Total net revenue Corporate/Other total net revenue (loss) Revenues, Net of Interest Expense Liabilities and equity Liabilities and Equity [Abstract] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Thereafter Time Deposit Maturities, After Year Four Time Deposit Maturities, After Year Four Realized gain (loss) Gain (Loss) on Sales of Loans, Net Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Aggregate unpaid principal balance sold Transfer of Financial Assets Accounted for as Sales, Aggregate Unpaid Principal Balance Sold Transfer of Financial Assets Accounted for as Sales, Aggregate Unpaid Principal Balance Sold Accounts payable, accruals and other liabilities Accounts Payable and Accrued Liabilities PEO Name PEO Name Employee stock purchase plan APIC, Share-Based Payment Arrangement, ESPP, Increase for Cost Recognition Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Schedule of Aging Analysis for Credit Card Loans Financing Receivable, Past Due [Table Text Block] Current Financial Asset, Not Past Due [Member] Composer Composer Securities, LLC [Member] Composer Securities, LLC Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Interest expense Interest Expense, Operating and Nonoperating [Abstract] Compensation and benefits, inclusive of share-based compensation expense Compensation and benefits Labor and Related Expense Credit Score, FICO [Domain] Credit Score, FICO [Domain] Extinguishment of convertible notes by issuance of common stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities ESPP Employee Stock [Member] Earnings per share - basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Other Changes Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Other Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Other Insider Trading Arrangements [Line Items] Time Deposits, Fiscal Year Maturity [Abstract] Time Deposits, Fiscal Year Maturity [Abstract] Unrealized gains (losses) on available-for-sale securities, net Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Technology products and solutions Revenue from Contract with Customer, Excluding Assessed Tax, Technology Products and Solutions Revenue from Contract with Customer, Excluding Assessed Tax, Technology Products and Solutions Number of vesting tranches Share-based Compensation Arrangement by Share-based Payment Award, Number Of Vesting Tranches Share-based Compensation Arrangement by Share-based Payment Award, Number Of Vesting Tranches Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Other Changes Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Fair Value Measurement [Domain] Fair Value Measurement [Domain] Recovery of previously reserved related to credit cards Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Organization, Summary of Significant Accounting Policies and New Accounting Standards Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover [Abstract] Cover [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Equity Awards Adjustments Equity Awards Adjustments [Member] Conditional prepayment rate Measurement Input, Prepayment Rate [Member] Other Interest Income, Other Net crypto transaction revenue Crypto Transaction Revenue, Net Crypto Transaction Revenue, Net Changes in other liabilities Increase (Decrease) in Other Operating Liabilities Loans Loans Receivable, Measurement Input Loans Receivable, Measurement Input Pass Pass [Member] Plan Name [Axis] Plan Name [Axis] Schedule of Loans Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Total transferred loans serviced Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding Other Other Debt Obligations [Member] Charge-offs, net of recoveries, of transferred loans Derecognized Assets, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Net Credit Losses During Period Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Loan Platform Business, Third-Party Loans Loan Platform Business, Third-Party Loans [Member] Loan Platform Business, Third-Party Loans General and administrative General and Administrative Expense Total Debt Securities, Available-for-Sale, Weighted Average Yield Hedging Designation [Domain] Hedging Designation [Domain] Class of Stock [Domain] Class of Stock [Domain] Market servicing costs Sensitivity Analysis Of Fair Value, Costs To Sell [Abstract] Sensitivity Analysis Of Fair Value, Costs To Sell Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Third party warrants Derivative Instrument, Partner Warrants [Member] Derivative Instrument, Partner Warrants Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales Commitment to fund a line of credit Other Commitment Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Derivative Instrument, Type [Axis] Derivative Instrument, Type [Axis] Derivative Instrument, Type Income Taxes Income Tax Disclosure [Text Block] Other Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Cash consideration Business Combination, Consideration Transferred Entity Filer Category Entity Filer Category Investments in AFS debt securities, total, fair value Debt Securities, Available-for-Sale, Unrealized Loss Position Schedule of Offsetting Liabilities Offsetting Liabilities [Table Text Block] Direct advertising Advertising Expense Effective interest rate Debt Instrument, Interest Rate During Period Conditional prepayment rate Sensitivity Analysis Of Fair Value, Prepayment Speed [Abstract] Sensitivity Analysis Of Fair Value, Prepayment Speed Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Not designated as hedging instrument Not Designated as Hedging Instrument [Member] Investments, Debt and Equity Securities [Abstract] Deposits: Deposits [Abstract] Changes in unrealized gains (losses) included in earnings related to assets and liabilities held at period end Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Derivative liabilities Derivative Liability Loan platform business, other Noninterest Income, Loan Platform Fees, Other Noninterest Income, Loan Platform Fees, Other Funded Loan Funded Loan [Member] Funded Loan Entity Address, Address Line One Entity Address, Address Line One Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax expense Income Tax Expense (Benefit) Gross Derivative Liabilities Offsetting Derivative Liabilities [Abstract] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Commercial and industrial Commercial And Industrial [Member] Commercial And Industrial Statement [Table] Statement [Table] Proceeds from stock option exercises Proceeds from Stock Options Exercised 2025 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Vesting of RSUs Stock Issued During Period, Value, Restricted Stock Award, Gross Self-Insurance Self Insurance Reserve [Policy Text Block] 640 – 659 FICO Score, 640 to 659 [Member] FICO Score, 640 to 659 Total, gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Recovery of previously reserved related to accounts receivable Accounts Receivable, Allowance for Credit Loss, Recovery Derivative Instruments and Hedging Activities Disclosure [Abstract]