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Analysis of Past Due Loans Financing Receivable, Past Due [Table Text Block] Current Financial Asset, Not Past Due [Member] Other Commitments [Line Items] Other Commitments [Line Items] Non-interest income: Noninterest Income [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction, Netting Depreciation, Depletion and Amortization, Nonproduction, Netting Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Earnings on bank-owned life insurance (“BOLI”) Earnings on BOLI Bank Owned Life Insurance Income Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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Adjustments [Member] Percentage of deposits over five million deposits Percentage of Deposits over $5 Million to Deposits Percentage of Deposits over $5 Million to Deposits Total Past Due Financial Asset, Past Due [Member] Total liabilities and shareholders’ equity Liabilities and Equity Watch Watch [Member] Watch [Member] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Loan-related fees Loan-Related Fees Loan-Related fees Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Pass Pass [Member] Plan Name [Axis] Plan Name [Axis] Summary of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Tabular List, Table Tabular List [Table Text Block] Name Awards 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Amount Company Selected Measure Amount Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Year three Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Deposits: Deposits [Abstract] Entity Address, Address Line Two Entity Address, Address Line Two Held-to-maturity securities in a continuous loss position for more than twelve months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, More Than 12 Months, Number Of Positions Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, More Than 12 Months, Number Of Positions Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Operating lease liabilities exchanged for ROUA Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Shares vested (in USD 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 Amount outstanding Line of Credit Facility, Fair Value of Amount Outstanding Fair Value Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Provision for income taxes Income Tax Expense (Benefit) Total non-interest expense Noninterest Expense Award Timing Method Award Timing Method [Text Block] Organization Consolidation, Policy [Policy Text Block] Net change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Investments securities, not due at a single maturity date, fair value Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Net 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