Fair Value Measurements (Estimated Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financial assets, Estimated Fair Value
Investment securities held to maturity	$ 5,887	$ 6,000
Fair Value, Inputs, Level 1 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	39,280	67,225
Fair Value, Inputs, Level 1 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	39,280	67,225
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Investment securities held to maturity	5,905	6,043
Restricted securities	5,095	6,476
Cash surrender value on life insurance	3,752	3,726
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	346,916	330,466
Checking plus interest	232,123	239,809
Money market	239,942	232,613
Savings	142,497	148,723
Club	1,142	387
Brokered Deposits	19,998	22,084
Certificates of deposit, $100,000 or more	117,855	97,905
Other time	148,527	140,354
Short-term borrowings	25,508	60,812
Long-term borrowings	15,000	15,000
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Investment securities held to maturity	5,887	6,000
Restricted securities	5,095	6,476
Cash surrender value on life insurance	3,752	3,726
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	346,916	330,466
Checking plus interest	232,123	239,809
Money market	239,942	232,613
Savings	142,497	148,723
Club	1,142	387
Brokered Deposits	19,997	22,075
Certificates of deposit, $100,000 or more	117,968	96,435
Other time	148,125	136,292
Short-term borrowings	25,508	60,812
Long-term borrowings	15,021	15,012
Fair Value, Inputs, Level 3 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Loans, net	1,229,990	1,185,012
Fair Value, Inputs, Level 3 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Loans, net	$ 1,222,190	$ 1,150,418