Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale	$ 311,384	$ 286,127	[1]
Debt Securities, Held-to-maturity	99,457	99,914
Loans held for sale, net	3,083	1,998
Cash surrender value of life insurance policies and annuities	59,740	59,438	[1]
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	176,597	99,787
Debt Securities, Available-for-sale	311,384	286,127
Debt Securities, Held-to-maturity	99,457	99,914
Other investments	10,776	14,185
Loans held for sale, net	3,083	1,998
Loans, net	2,418,029	2,379,907
Accrued interest receivable	10,654	11,989
Cash surrender value of life insurance policies and annuities	59,740	59,438
Derivative Asset	13,923	6,653
Total assets	3,103,643	2,959,998
Deposits	2,725,010	2,595,651
Short-term borrowings	140,145	140,146
Long-term borrowings	694	699
Subordinated Debt Obligations, Fair Value Disclosure	29,398	29,364
SubordinatedDebenturesOwedToUnconsolidatedSubsidiaryTrustsFairValueDisclosure	19,589	19,589
Accrued interest payable	692	745
Derivative financial liabilities	1,799	2,747
Total liabilities	2,917,327	2,788,941
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	176,597	99,787
Debt Securities, Available-for-sale	311,384	286,127
Debt Securities, Held-to-maturity	100,354	103,157
Other investments	10,776	14,185
Loans held for sale, net	3,083	1,998
Loans, net	2,408,948	2,384,275
Accrued interest receivable	10,654	11,989
Cash surrender value of life insurance policies and annuities	59,740	59,438
Derivative Asset	13,923	6,653
Total assets	3,095,459	2,967,609
Deposits	2,718,006	2,597,326
Short-term borrowings	140,145	140,146
Long-term borrowings	845	866
Subordinated Debt Obligations, Fair Value Disclosure	29,398	29,364
SubordinatedDebenturesOwedToUnconsolidatedSubsidiaryTrustsFairValueDisclosure	19,589	19,589
Accrued interest payable	692	745
Derivative financial liabilities	1,799	2,747
Total liabilities	2,910,474	2,790,783
Fair Value Inputs Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	0	0
Fair Value Inputs Level 1 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
Debt Securities, Available-for-sale	0	0
Debt Securities, Held-to-maturity	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Cash surrender value of life insurance policies and annuities	0	0
Derivative Asset	0	0
Total assets	0	0
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated Debt Obligations, Fair Value Disclosure	0	0
SubordinatedDebenturesOwedToUnconsolidatedSubsidiaryTrustsFairValueDisclosure	0	0
Accrued interest payable	0	0
Derivative financial liabilities	0	0
Total liabilities	0	0
Fair Value Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	3,083	1,998
Fair Value Inputs Level 2 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	176,597	99,787
Debt Securities, Available-for-sale	311,384	286,127
Debt Securities, Held-to-maturity	100,354	103,157
Other investments	10,776	14,185
Loans held for sale, net	3,083	1,998
Loans, net	11,605	12,095
Accrued interest receivable	10,654	11,989
Cash surrender value of life insurance policies and annuities	59,740	59,438
Derivative Asset	13,923	6,653
Total assets	698,116	595,429
Deposits	2,718,006	2,597,326
Short-term borrowings	140,145	140,146
Long-term borrowings	845	866
Subordinated Debt Obligations, Fair Value Disclosure	29,398	29,364
SubordinatedDebenturesOwedToUnconsolidatedSubsidiaryTrustsFairValueDisclosure	19,589	19,589
Accrued interest payable	692	745
Derivative financial liabilities	1,799	2,747
Total liabilities	2,910,474	2,790,783
Fair Value Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	0	0
Fair Value Inputs Level 3 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
Debt Securities, Available-for-sale	0	0
Debt Securities, Held-to-maturity	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	2,397,343	2,372,180
Accrued interest receivable	0	0
Cash surrender value of life insurance policies and annuities	0	0
Derivative Asset	0	0
Total assets	2,397,343	2,372,180
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated Debt Obligations, Fair Value Disclosure	0	0
SubordinatedDebenturesOwedToUnconsolidatedSubsidiaryTrustsFairValueDisclosure	0	0
Accrued interest payable	0	0
Derivative financial liabilities	0	0
Total liabilities	$ 0	$ 0

[1] Derived from audited consolidated financial statements