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Fair Value Measurements, Measured On A Recurring And Nonrecurring Basis (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired loans, estimated selling cost | $ 238 | $ 163
Recurring [Member] |  |
Assets [Abstract] |  |
Equity securities in financial institutions | 188 | 91
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 99,186 | 98,887
U.S. Treasury securities | 33,112 | 28,604
Obligations of state and political subdivisions | 71,532 | 79,090
Corporate obligations | 3,050 | 3,083
Mortgage-backed securities in government sponsored entities | 44,460 | 45,027
Equity securities in financial institutions | 188 | 91
Recurring [Member] | Level I [Member] |  |
Assets [Abstract] |  |
Equity securities in financial institutions | 188 | 91
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 0 | 0
U.S. Treasury securities | 33,112 | 28,604
Obligations of state and political subdivisions | 0 | 0
Corporate obligations | 0 | 0
Mortgage-backed securities in government sponsored entities | 0 | 0
Equity securities in financial institutions | 188 | 91
Recurring [Member] | Level II [Member] |  |
Assets [Abstract] |  |
Equity securities in financial institutions | 0 | 0
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 99,186 | 98,887
U.S. Treasury securities | 0 | 0
Obligations of state and political subdivisions | 71,532 | 79,090
Corporate obligations | 3,050 | 3,083
Mortgage-backed securities in government sponsored entities | 44,460 | 45,027
Equity securities in financial institutions | 0 | 0
Recurring [Member] | Level III [Member] |  |
Assets [Abstract] |  |
Equity securities in financial institutions | 0 | 0
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 0 | 0
U.S. Treasury securities | 0 | 0
Obligations of state and political subdivisions | 0 | 0
Corporate obligations | 0 | 0
Mortgage-backed securities in government sponsored entities | 0 | 0
Equity securities in financial institutions | 0 | 0
Nonrecurring [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 2,425 | 1,569
Other real estate owned | 844 | 1,024
Nonrecurring [Member] | Level I [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 0 | 0
Other real estate owned | 0 | 0
Nonrecurring [Member] | Level II [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 0 | 0
Other real estate owned | 0 | 0
Nonrecurring [Member] | Level III [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 2,425 | 1,569
Other real estate owned | $ 844 | $ 1,024

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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents corporate obligations issued debt securities. + References No definition available. + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents equity securities in financial institutions as of the balance sheet date when have been categorized as available-for-sale. + References No definition available. + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents bonds or similar securities issued by state, city, province, or local governments or their agencies in either the United States or a foreign country. Debt securities issued by state governments or provinces may include bond issuances of US state or foreign authorities. Debt securities issued by political subdivisions or US states may include debt issuances by county, borough, city, or municipal governments. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4437-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524 + Details
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