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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 Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares Greater than ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount 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) Entity Tax Identification Number Entity Tax Identification Number Additional borrowing capacity Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds Year four, originated three years before current fiscal year, writeoff Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Residential mortgage-backed securities, residential collateralized mortgage obligations and SBA loan pool securities Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Loan servicing income Servicing Fees, Net1 Loan servicing fee income on sold loans, net of servicing asset amortization Outstanding at beginning of period (in dollars per share) Outstanding at ending of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, issued (in shares) Common Stock, Shares, Issued Net gains recognized Fair Value Measurements, Nonrecurring, Gain (Loss) Fair Value Measurements, Nonrecurring, Gain (Loss) Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Loans transferred to loans held-for-sale Loan and Lease, Transfer from Held-in-Portfolio to Held-for-Sale Use of Estimates in the Preparation of Financial Statements Use of Estimates, Policy [Policy Text Block] Residential mortgage-backed securities Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Total capital (to risk-weighted assets), amount Banking Regulation, Total Capital, Actual Occupancy and equipment Occupancy, Net Trading Arrangement: Trading Arrangement [Axis] Federal Reserve Discount Window Federal Reserve Discount Window [Member] Federal Reserve Discount Window Total Shareholder Return Amount Total Shareholder Return Amount Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Security Exchange Name Security Exchange Name Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost [Abstract] Allowance for credit losses Allowance for credit loss on available-for-sale securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest New Jersey and New York New Jersey And New York [Member] New Jersey And New York Total liabilities Liabilities 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 Loans and Allowance for Credit Losses on Loans Financing Receivables [Text Block] Overnight federal funds lines, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Preferred stock dividends Preferred stock dividends Dividends, Preferred Stock Federal Home Loan Bank, Advances [Table] Federal Home Loan Bank, Advances [Table] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Proceeds from sales and calls of securities available-for-sale Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Asset Class [Domain] Asset Class [Domain] Share-based compensation expense Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture Capital investment Stock Issued During Period, Value, New Issues Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Total cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] 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