Fair Values of Financial Instruments (Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Carrying Amount [Member]
Assets
Cash and cash equivalents	$ 31,315	$ 33,414
Interest-bearing deposits	4,023	4,239
Loans held for sale	19,643	3,987
Loans	1,483,611	1,482,662
FHLB stock	13,115	13,034
Interest receivable	6,895	6,940
Liabilities
Deposits	1,573,088	1,519,225
FHLB advances	239,661	292,497
Other borrowings	17,653	17,988
Interest payable	875	1,075
Estimate of Fair Value Measurement [Member]
Assets
Cash and cash equivalents	31,315	33,414
Interest-bearing deposits	4,023	4,239
Loans held for sale	20,860	4,011
Loans	1,457,202	1,456,270
FHLB stock	13,115	13,034
Interest receivable	6,895	6,940
Liabilities
Deposits	1,574,598	1,514,852
FHLB advances	240,922	290,092
Other borrowings	17,255	17,665
Interest payable	875	1,075
Fair Value, Inputs, Level 1 \| Estimate of Fair Value Measurement [Member]
Assets
Cash and cash equivalents	31,315	33,414
Interest-bearing deposits	4,023	4,239
Liabilities
Deposits	1,067,270	1,030,785
Fair Value, Inputs, Level 2 \| Estimate of Fair Value Measurement [Member]
Assets
Loans held for sale	20,860	4,011
FHLB stock	13,115	13,034
Interest receivable	6,895	6,940
Liabilities
FHLB advances	240,922	290,092
Other borrowings	17,255	17,665
Interest payable	875	1,075
Fair Value, Inputs, Level 3 \| Estimate of Fair Value Measurement [Member]
Assets
Loans	1,457,202	1,456,270
Liabilities
Deposits	507,328	484,067
Interest Rate Swap [Member]
Assets
Interest rate swap asset	1,718	599
Liabilities
Interest rate swap liability	1,718	599
Interest Rate Swap [Member] \| Fair Value, Inputs, Level 1
Assets
Interest rate swap asset
Liabilities
Interest rate swap liability
Interest Rate Swap [Member] \| Fair Value, Inputs, Level 2
Assets
Interest rate swap asset	1,718	599
Liabilities
Interest rate swap liability	1,718	599
Interest Rate Swap [Member] \| Fair Value, Inputs, Level 3
Assets
Interest rate swap asset
Liabilities
Interest rate swap liability

Interest-Bearing Deposits with Banks, Fair Value Disclosure

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Interest Payable, Fair Value Disclosure

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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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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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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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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