Fair Value Measurements (Fair Value Carrying And Notional Amounts) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	$ 21,769	$ 20,267
Fed funds sold	33,519	16,751
Available-for-sale Securities	54,633	55,312
Held-to-maturity Securities	3,708	5,713
Restricted stock	1,887	1,505
Loans held for sale	3,448	2,626
Interest receivable	1,827	1,713
BOLI	13,103	13,018
Interest payable	108	111
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	21,769	20,267
Fed funds sold	33,519	16,751
Available-for-sale Securities
Loans held for sale
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities	54,633	55,312
Held-to-maturity Securities	3,478	5,619
Restricted stock	1,887	1,505
Loans held for sale	3,448	2,626
Interest receivable	1,827	1,713
BOLI	13,103	13,018
Deposits	585,276	568,224
FHLB borrowings	10,000
Capital notes	4,885	5,310
Interest payable	108	111
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities
Loans, net	493,747	492,397
Loans held for sale
Carrying Amounts [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	21,769	20,267
Fed funds sold	33,519	16,751
Available-for-sale Securities	54,633	55,312
Held-to-maturity Securities	3,708	5,713
Restricted stock	1,887	1,505
Loans, net	501,877	491,022
Loans held for sale	3,448	2,626
Interest receivable	1,827	1,713
BOLI	13,103	13,018
Deposits	584,516	567,493
FHLB borrowings	10,000
Capital notes	5,000	5,000
Interest payable	108	111
Fair Values [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	21,769	20,267
Fed funds sold	33,519	16,751
Available-for-sale Securities	54,633	55,312
Held-to-maturity Securities	3,478	5,619
Restricted stock	1,887	1,505
Loans, net	493,747	492,397
Loans held for sale	3,448	2,626
Interest receivable	1,827	1,713
BOLI	13,103	13,018
Deposits	585,276	568,224
FHLB borrowings	10,000
Capital notes	4,885	5,310
Interest payable	$ 108	$ 111

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
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The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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The amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements.

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Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Fair value portion of notes payable.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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