| **Derivatives and Financial Instruments (Details) $ in Thousands**                                                              | 3 Months Ended | 9 Months Ended |         |
|---------------------------------------------------------------------------------------------------------------------------------|----------------|----------------|---------|
||
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Number of interest rate swaps | swap                                                                                            |           |           |    |   | 2 |
| Derivatives not designated as hedging instruments [Member]                                                                      |           |           |    |   |   |
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Gain (loss) recognized in income                                                                                                | $ (1)          | $ (4)          | $ 13    | $ 17 |   |
| Mortgage loan rate lock commitments [Member] | Derivatives not designated as hedging instruments [Member]                       |           |           |    |   |   |
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Gain (loss) recognized in income                                                                                                | 4              | (2)            | 1       | 1 |   |
| Mortgage loan forward sales [Member] | Derivatives not designated as hedging instruments [Member]                               |           |           |    |   |   |
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Gain (loss) recognized in income                                                                                                | (5)            | (2)            | 12      | 16 |   |
| Federal Home Loan Bank Advances [Member] | Interest Rate Swap [Member]                                                          |           |           |    |   |   |
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Notional amount                                                                                                                 |           |           |    |   | $ 40,000 |
| Federal Home Loan Bank Advances [Member] | Interest Rate Swap [Member] | Derivatives designated as hedging instruments [Member] |           |           |    |   |   |
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Gain (loss) recognized in income                                                                                                | $ (456)        | $ 0            | $ (515) | $ 0 |   |
| Federal Home Loan Bank Advances [Member] | Interest Rate Swap 1 [Member]                                                        |           |           |    |   |   |
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Notional amount                                                                                                                 |           |           |    |   | 20,000 |
| Federal Home Loan Bank Advances [Member] | Interest Rate Swap 2 [Member]                                                        |           |           |    |   |   |
| **Derivative [Line Items]**                                                                                                     |           |           |    |   |   |
| Notional amount                                                                                                                 |           |           |    |   | $ 20,000 |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959
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| X                                                                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
+ Details**Name:**us-gaap_DerivativeLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of interest rate derivative instruments held by the entity at the reporting date.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959
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| X                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
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