Document and Entity Information [Abstract] Document and Entity Information [Abstract] Trading Symbol Title of 12(b) Security Security Exchange Name Entity Common Stock, Shares Outstanding Entity Address, State or Province Document Type Entity Interactive Data Current Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Statement of Financial Position [Abstract] Assets [Abstract] Assets Financial assets: Assets TOTAL ASSETS Available-for-sale Securities Available for sale securities, stated at fair value Securities Available for Sale, Fair Value Available for sale securities Cash and Due from Banks Cash and due from banks Cash, Cash Equivalents, and Federal Funds Sold Cash and cash equivalents Cash Surrender Value of Life Insurance Cash value of life insurance Cash value of life insurance Federal Funds Sold Fed funds sold Federal Home Loan Bank Stock Federal Home Loan Bank stock, at cost Federal Home Loan Bank stock held Federal Home Loan Bank stock Interest Receivable Accrued interest receivable Loans and Leases Receivable, Net Amount Loans, net of allowance for loan losses of $3,187 and $3,262 respectively Loans, net Loans Loans Receivable Held-for-sale, Amount Loans held for sale Mortgage Servicing Rights Net Mortgage servicing rights, net Mortgage servicing rights, net. Other Assets Other assets Property, Plant and Equipment, Net Premises and equipment, net Repossessed Assets Foreclosed assets Foreclosed assets, end of period Foreclosed assets, beginning of period Foreclosed assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss, net of income taxes Advance Payments by Borrowers for Taxes and Insurance Advance payments by borrowers for taxes and insurance Advance payments by borrowers for taxes and insurance Advances from Federal Home Loan Banks Federal Home Loan Bank advances Federal Home Loan Bank Advances total Total Federal Home Loan Bank advances Deposits Deposits Total Interest Payable Accrued interest payable Liabilities Total liabilities Liabilities and Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Other Liabilities Other liabilities Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total stockholders' equity Balance Balance Common Stock, Value, Issued Common stock, $0.01 par value, 90,000,000 shares authorized, 4,876,677 shares issued as of June 30, 2019 Additional Paid in Capital Additional paid-in capital Employee Stock Ownership Plan ESOP Unallocated Compensation Unallocated common stock of Employee Stock Ownership Plan, 172,017 shares as of June 30, 2019 Represents unallocated ESOP plan expense. Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Statement [Line Items] Loans and Leases Receivable, Allowance Allowance for loan and lease losses Allowance for loan and lease losses Ending balance Beginning balance Total allowance for loan losses Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Net proceeds from stock offering, Shares, Issued Employee Stock Ownership Plan ESOP Number of Unallocated Shares Unallocated common stock of Employee Stock Ownership Plan Purchase of ESOP shares purchased Total unallocated shares Represents number of shares for which compensation cost not allocated. Income Statement [Abstract] Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before income taxes Income Tax Expense (Benefit) Income tax benefit Interest and Dividend Income, Operating [Abstract] Interest and dividend income: Interest and Dividend Income, Operating Total interest and dividend income Interest and Fee Income, Loans and Leases Loans, including fees Interest Income, Securities, Operating, Taxable Securities, taxable Other Interest and Dividend Income Other Interest Expense [Abstract] Interest expense: Interest Expense Total interest expense Interest Expense, Borrowings Borrowed funds Interest Expense, Deposits Interest-bearing deposits Interest Income (Expense), after Provision for Loan Loss Net interest income after provision for loan losses Interest Income (Expense), Net Net interest income Net Income (Loss) Attributable to Parent Net loss Net loss Net loss Noninterest Expense [Abstract] Noninterest expense: Equipment Expense Occupancy and equipment Federal Deposit Insurance Corporation Premium Expense FDIC assessment Foreclosed Assets Operating Expenses Foreclosed assets, net Foreclosed assets, operating expenses. Labor and Related Expense Salaries and employee benefits Loan Processing Fee Data processing Marketing and Advertising Expense Advertising and promotions Noninterest Expense Total noninterest expense Other Noninterest Expense Other Noninterest Income [Abstract] Noninterest income: Gain (Loss) on Sale of Investments Net gain on sale of securities Gain (Loss) on Sales of Loans, Net Net gain (loss) on sale of loans Increase In Cash Surrender Value Of Life Insurance Increase in cash surrender value of insurance Increase in cash surrender value of life insurance. Loan Servicing Loan servicing Loan servicing. Noninterest Income Total noninterest income Noninterest Income, Other Operating Income Other Service Charges And Other Fees Service charges and other fees Service charges and other fees. Gain On Life Insurance Death Benefit Received Death benefit gain Amount realized from life insurance death benefit. Provision for Loan and Lease Losses Provision for loan losses Earnings Per Share [Abstract] Earnings per common share Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Weighted Average Number of Shares Outstanding Basic And Diluted [Abstract] Average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Basic Subtotal Weighted Average Number of Shares Outstanding, Diluted Diluted Statement of Comprehensive Income [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Other comprehensive income (loss) before tax effect Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Reclassification adjustment for gains realized in net income Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Tax effect of other comprehensive income (loss) items Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax Unrealized holding gains (losses) arising during the period Statement of Stockholders' Equity [Abstract] Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive income Stock Issued During Period, Value, New Issues Net proceeds from stock offering (4,876,677 shares issued) Stock Issued During Period, Value, Employee Stock Purchase Plan Purchase of ESOP shares (175,528 shares purchased) Employee Stock Ownership Plan Value Committed To be Released ESOP shares committed to be released (3,511 shares) Represents Employee Stock Ownership Plan Value Committed To be Released. Equity Components [Axis] Equity Component [Domain] Retained Earnings [Member] Retained earnings AOCI Attributable to Parent [Member] Accumulated other comprehensive loss Common Stock [Member] Common stock Unallocated Common Stock Of ESOP [Member] Unallocated common stock of ESOP Additional Paid-in Capital [Member] Additional Paid-in Capital Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares ESOP shares committed to be released Shares committed to be released Statement of Cash Flows [Abstract] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase (decrease) in cash and cash equivalents Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows From Financing Activities Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance Net increase in advance payments by borrowers for taxes and insurance Increase (Decrease) in Deposits Net (decrease) increase in deposits Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Payments of FHLBank Borrowings, Financing Activities Principal payments on Federal Home Loan Bank advances Proceeds from Issuance of Common Stock Proceeds from stock offering Payments to Repurchase Shares Under Employee Stock Ownership Plan Purchase of ESOP shares Represents Payments to Repurchase Shares Under Employee Stock Ownership Plan. Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows From Investing Activities Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Payments for (Proceeds from) Loans and Leases Net decrease (increase) in loans Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Maturities, prepayments, and calls of available for sale securities Proceeds from Sale of Available-for-sale Securities Proceeds from sales of available for sale securities Proceeds from sales of securities available-for-sale Payments for (Proceeds from) Federal Home Loan Bank Stock Net decrease (increase) in Federal Home Loan Bank stock Payments For Proceeds From Acquire Property Plant And Equipment Net capital receipts (expenditures) for premises and equipment Payments for proceeds from acquire property plant and equipment. Payments to Acquire Available-for-sale Securities Purchases of available for sale securities Proceeds from Life Insurance Policy Proceeds from life insurance policies Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash from operating activities: Deferred Income Tax Expense (Benefit) Deferred income taxes Depreciation Depreciation Gain (Loss) on Disposition of Property Plant Equipment Gain on sale of premises and equipment Increase (Decrease) in Insurance Settlements Receivable Net change in cash value of life insurance Payments for Origination of Mortgage Loans Held-for-sale Originations of mortgage loans held for sale Proceeds from Sale of Mortgage Loans Held-for-sale Proceeds from sales of mortgage loans held for sale Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accrued Interest Payable and Other Liabilities Accrued interest payable and other liabilities Increase (decrease) in accrued interest payable and other liabilities. Increase (Decrease) in Accrued Interest Receivable And Other Assets Accrued interest receivable and other assets Increase (decrease) in accrued interest receivable and other assets. Increase Decrease In Mortgage Servicing Rights Mortgage servicing rights Increase (decrease) in mortgage servicing rights. Net Amortization From Investment Securities Net amortization of investment securities Net amortization from investment securities. Tangible Asset Impairment Charges Write-down of premises and equipment Available-for-sale Securities, Gross Realized Gain (Loss) Net gain on sale of available for sale securities Gain (Loss) on Contract Termination Gain on death benefit Loss On Sale Of Mortgage Loans Net loss on bulk sales of mortgage loans Loss on sale of mortgage loans. Gain (Loss) on Sale of Mortgage Loans Net gain on sale of mortgage loans held for sale Share-based Compensation ESOP compensation Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Supplemental Cash Flow Information [Abstract] Supplemental cash flow information: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid during the year for interest Noncash Investing and Financing Items [Abstract] Noncash activities: Transfer Of Loans To Foreclosed Assets Loans transferred to foreclosed assets Transfer of loans To foreclosed assets. Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Operations [Text Block] Nature of Operations and Basis of Presentation Accounting Changes and Error Corrections [Abstract] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Standards Investments, Debt and Equity Securities [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Securities Available-for-sale Receivables [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans ForeclosedAssetsAbstract [Abstract] Foreclosed assets Abstract [Abstract] Foreclosed assets text block The entire disclosure of Foreclosed assets text block Transfers and Servicing [Abstract] Transfers and Servicing of Financial Assets [Text Block] Mortgage Servicing Rights Banking and Thrift [Abstract] Deposit Liabilities Disclosures [Text Block] Deposits Federal Home Loan Banks [Abstract] Federal Home Loan Bank, Advances [Text Block] Federal Home Loan Bank Advances Retirement Benefits [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Employee Benefit Plans Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Taxes Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Employee stock ownership plan [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Employee Stock Ownership Plan Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Regulatory Capital Requirements under Banking Regulations [Text Block] Equity and Regulatory Matters Earnings Per Share [Text Block] Earnings Per Share