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[Text Block] Underlying loans being serviced Servicing Assets, Principal Value Of Loans Being Serviced Servicing Assets, Principal Value Of Loans Being Serviced 30 to 59 Days Past Due Financial Asset, 30 to 59 Days Past Due [Member] Entity Tax Identification Number Entity Tax Identification Number Cash and due from banks Cash and Due from Banks Schedule of Past Due Loans Financing Receivable, Past Due [Table Text Block] Fixed term Maturity Less than 30 Days [Member] Other Commitments [Line Items] Other Commitments [Line Items] Total capital (to risk-weighted assets), amount Banking Regulation, Total Capital, Actual Related tax benefits Share-Based Payment Arrangement, Expense, Tax Benefit Noninterest income: Noninterest Income [Abstract] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash and cash equivalents at beginning of period Cash and cash equivalents at end of 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Total Other Commitment Less: income allocated to unvested restricted stock Undistributed Earnings (Loss) Allocated to Participating Securities, Basic 60 to 89 Days Past Due Financial Asset, 60 to 89 Days Past Due [Member] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets measured at fair value Total assets measured at fair value Assets, Fair Value Disclosure Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Purchase price Measurement Input, Purchase Price [Member] Measurement Input, Purchase Price Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Loans held-for-investment growth percentage Loans Held-For-Investment Growth Percentage Loans Held-For-Investment Growth Percentage Minimum Capital Adequacy Requirement Compliance with Regulatory Capital Requirements under Banking Regulations, Minimum Capital Requirements [Abstract] Compliance with Regulatory Capital Requirements under Banking Regulations, Minimum Capital Requirements [Abstract] SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity SEC Schedule, 12-09, Reserve, off-Balance-Sheet Activity [Member] Less Than 12 Months, Number of Securities Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Loans Insured or Guaranteed by Government Authorities [Axis] Loans Insured or Guaranteed by Government Authorities [Axis] Loans, including fees Interest and Fee Income, Financing Receivable Entity Filer Category Entity Filer Category Total, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position Common tier 1 capital (to risk-weighted assets), ratio Common Equity Tier 1 Capital Required to be Well Capitalized to Risk Weighted Assets Common Equity Tier 1 Capital Required to be Well Capitalized to Risk Weighted Assets Savings, NOW and money market accounts Deposits, Savings, Money Market Deposits And Negotiable Order Of Withdrawal (NOW) Deposits, Savings, Money Market Deposits And Negotiable Order Of Withdrawal (NOW) Within one year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Accrued interest receivable Interest Receivable Name Trading Arrangement, Individual Name Restricted stock awards Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Financing Receivable, Nonaccrual [Line Items] Financing Receivable, Nonaccrual [Line Items] Total cash and cash equivalents Cash and Cash Equivalent Less: weighted-average unvested restricted stock (in shares) Weighted Average Number of Shares, Restricted Stock Loan servicing income Servicing Fees, Net1 Loan servicing fee income on sold loans, net of servicing asset amortization Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Deposits: Deposits [Abstract] Discount rate Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Net gains recognized Fair Value Measurements, Nonrecurring, Gain (Loss) Fair Value Measurements, Nonrecurring, Gain (Loss) Unused lines of credit Unused lines of Credit [Member] Net amortization of premiums on securities Investment Income, Net, Amortization of Discount and Premium Net gain on sale Securitization or Asset-Backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Gain (Loss) on Sale Entity Address, Address Line Two Entity Address, Address Line Two Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Single Family Residential Single Family [Member] Servicing Asset at Amortized Cost [Table] Servicing Asset at Amortized Cost [Table] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Federal Reserve Discount Window Federal Reserve Discount Window [Member] Federal Reserve Discount Window Advance from Federal Home Loan Bank [Abstract] Advance from Federal Home Loan Bank [Abstract] Right of use assets obtained in exchange for lease obligations Right of use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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 taxes Income Tax Expense (Benefit) Total noninterest expense Noninterest Expense Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Charge-offs Year-to-date period gross write offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] New Jersey and New York New Jersey And New York [Member] New Jersey And New York Transfer of loans to held-for-investment Financing Receivable, Excluding Accrued Interest, Reclassification to Held-for-investment Financing Receivable, Excluding Accrued Interest, Reclassification to Held-for-investment Servicing Assets Transfers and Servicing of Financial Assets [Text Block] Accrued interest on securities available-for-sale Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Net income Net income Net income Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Statement [Table] Statement [Table] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Tier 1 capital (to risk-weighted assets), ratio Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Restatement Determination Date: Restatement Determination Date [Axis] Stock options exercised Proceeds from Stock Options Exercised Year two, originated one year before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Schedule of Nonaccrual Loans Financing Receivable, Nonaccrual [Table Text Block] Exercisable at ending of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Loans held-for-sale Loan, Held-for-Sale, Fair Value Disclosure Revenue Revenues [Abstract] Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]