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Intangibles and Acquisition Related Accounting (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 10,744 |  |  | $ 8,170
Amortization of Intangible Assets | 25 |  |  |
Scenario, Forecast [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months |  |  | $ 114 |
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two |  | $ 34 |  |
First Federal Acquisition [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill | 2,600 |  |  |
First Federal Savings Loan [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill | 5,400 |  |  |
Liberty Savings Bank [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 2,000 |  |  |
First Personal Bank [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 8 months |  |  |
First Personal Bank [Member] | Fair Value Premium [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization of Intangible Assets | $ 133 |  |  |
First Personal Bank [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization of Intangible Assets | 48 |  |  |
First Personal Bank [Member] | During 2019 [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion (Amortization) of Discounts and Premiums, Investments | 5 |  |  |
AJSB [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill | 804 |  |  |
Finite-Lived Core Deposits, Gross | $ 2,900 |  |  |
Finite-Lived Intangible Asset, Useful Life | 14 months |  |  |
Amortization of Intangible Assets | $ 174 |  |  |
Core Deposits [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization of Intangible Assets | 211 |  |  |
Core Deposits [Member] | First Federal Acquisition [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Core Deposits, Gross | $ 93 |  |  |
Finite-Lived Intangible Asset, Useful Life | 7 years 10 months 24 days |  |  |
Core Deposits [Member] | First Federal Savings Loan [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization of Intangible Assets | $ 3 |  |  |
Core Deposits [Member] | Liberty Savings Bank [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization of Intangible Assets | 14 |  |  |
Core Deposits [Member] | First Personal Bank [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Core Deposits, Gross | $ 3,000 |  |  |
Finite-Lived Intangible Asset, Useful Life | 6 years 4 months 24 days |  |  |
Amortization of Intangible Assets | $ 119 |  |  |
Core Deposits [Member] | AJSB [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 6 years 6 months |  |  |
Liberty Savings [Member] | First Federal Acquisition [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 10,700 |  |  |
Liberty Savings [Member] | Core Deposits [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Core Deposits, Gross | $ 471 |  |  |
Finite-Lived Intangible Asset, Useful Life | 8 years 2 months 12 days |  |  |

X
- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Useful life of finite-lived intangible assets, 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 amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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