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Note 4 - Loan Receivable and Allowance for Loan and Lease Losses (Details Textual) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Payments to Acquire Loans Receivable |  |  | $ 44,783,000 | $ 29,017,000 |
Maximum Period of Credit Extension of Construction Loans (Month) |  |  | 18 months |  |
Loans Receivable, Term to Reset to FHLB Rate (Year) |  |  | 5 years |  |
Period for Charged Off of Open-End Credits (Day) |  |  | 180 days |  |
Period for Charged Off of Close-End Credits (Day) |  |  | 120 days |  |
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans | $ 154,000 | $ 284,000 | $ 409,000 | $ 475,000 |
Maximum Period for Charged Off of Consumer Installment Loans (Day) |  |  |  |  | 180 days
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 | 0 | 0 | 0 |
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend | $ 0 |  | $ 0 |  | $ 0
Financing Receivable, Principal and Interest Deferred Payments | 232,700,000 |  | 232,700,000 |  |
Financing Receivable, Loans Remaining on Deferment | $ 21,300,000 |  | $ 21,300,000 |  |
Number of Impaired Loans | 34 |  | 34 |  | 26
Impaired Financing Receivable, Recorded Investment, Total | $ 29,300,000 |  | $ 29,300,000 |  | $ 24,400,000
Impaired Financing Receivable, Related Allowance | $ 1,700,000 |  | $ 1,700,000 |  | $ 1,400,000
Number of Impaired Loans, Individually Evaluated for Impairment | 21 |  | 21 |  |
Number of Impaired Loans, Collectively Evaluated for Impairment | 10 |  | 10 |  |
Impaired Financing Receivable, Non-Performing Loans, Discount to Appraisal Value, Percent | 8.00% |  | 8.00% |  | 5.80%
SBA Loans [Member] |  |  |  |  |
Transfer of Loans Held-for-sale to Portfolio Loans |  |  | $ 281,000 | $ 8,001,000 |
SBA Loans [Member] | Minimum [Member] |  |  |  |  |
Percentage of Principal Balance Guaranteed | 75.00% |  | 75.00% |  |
SBA Loans [Member] | Maximum [Member] |  |  |  |  |
Percentage of Principal Balance Guaranteed | 90.00% |  | 90.00% |  |
SBA CARES Act Paycheck Protection Program [Member] |  |  |  |  |
Loans and Leases Receivable, Net Amount, Total | $ 2,900,000 |  | $ 2,900,000 |  |
Syndicated and Leveraged Loans [Member] |  |  |  |  |
Loans and Leases Receivable, Net Amount, Total | 38,600,000 |  | 38,600,000 |  | $ 55,000,000.0
Non-Accrual Loans [Member] |  |  |  |  |
Impaired Financing Receivable, Interest Income, Cash Basis Method, Total | 77,000 | $ 57,000 | $ 121,000 | 84,000 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Maximum Percentage of Credit Extension Based on Market Value of Collateral |  |  | 75.00% |  |
Multi-family Real Estate [Member] |  |  |  |  |
Maximum Percentage of Credit Extension Based on Market Value of Collateral |  |  | 80.00% |  |
Construction Portfolio Segment [Member] |  |  |  |  |
Percentage of Maximum Loan to Value |  |  | 75.00% |  |
Residential Portfolio Segment [Member] |  |  |  |  |
Payments to Acquire Loans Receivable | 26,700,000 | 6,000,000.0 | $ 42,700,000 | 14,100,000 |
Consumer Portfolio Segment [Member] | Education Loans [Member] |  |  |  |  |
Payments to Acquire Loans Receivable | 2,100,000 | $ 0 | $ 2,100,000 | $ 14,900,000 |
Construction to Permanent Portfolio Segment [Member] |  |  |  |  |
Loans Receivable, Term (Year) |  |  | 10 years |  |
Commercial and Industrial Loans [Member] |  |  |  |  |
Loans and Leases Receivable, Net Amount, Total | $ 22,900,000 |  | $ 22,900,000 |  | $ 21,600,000

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- Definition Deferred amounts of principal and interest payments on loans receivable related to loan modification programs offered to financial institution customers affected by COVID-19. + References No definition available. + Details
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- Definition The decrease in the appraisal value of an impaired loan when it is classified as non-performing, represented as a percent. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of loan receivable, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Period of time that a loan receivable takes to reset to the FHLB rate, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554 + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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