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Fair Value Measurements (Estimated Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financial assets, Estimated Fair Value
Investment securities held to maturity	$ 20,254	$ 8,654
Fair Value, Inputs, Level 1 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	156,462	94,971
Fair Value, Inputs, Level 1 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	156,462	94,971
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Investment securities held to maturity	20,174	8,786
Restricted securities	3,626	4,190
Cash surrender value on life insurance	30,690	29,782
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	465,304	356,618
Checking plus interest	411,742	302,227
Money market	273,775	262,050
Savings	168,910	143,322
Club	1,505	387
Certificates of deposit, $100,000 or more	126,704	127,600
Other time	146,181	149,130
Securities sold under retail repurchase agreement	1,019	1,226
Advances from FHLB - long-term		15,000
Subordinated debt	24,399
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Investment securities held to maturity	20,254	8,654
Restricted securities	3,626	4,190
Cash surrender value on life insurance	30,690	29,782
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	465,304	356,618
Checking plus interest	411,742	302,227
Money market	273,775	262,050
Savings	168,910	143,322
Club	1,505	387
Certificates of deposit, $100,000 or more	128,810	128,167
Other time	147,738	149,209
Securities sold under retail repurchase agreement	1,019	1,226
Advances from FHLB - long-term		15,040
Subordinated debt	25,677
Fair Value, Inputs, Level 3 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Loans, net	1,411,188	1,238,147
Fair Value, Inputs, Level 3 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Loans, net	$ 1,415,862	$ 1,242,867

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

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