Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 266,542	$ 280,792
Loans held for sale, net	176	779
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	46,616	9,487
Securities available for sale	266,542	280,792
Other investments	12,942	8,949
Loans held for sale, net	176	779
Loans, net	1,307,862	1,079,331
Accrued interest receivable	6,167	5,544
Derivative Asset	200	94
Total assets	1,640,505	1,384,976
Deposits	1,295,519	1,066,709
Short-term borrowings	224,461	171,394
Long-term borrowings	46,670	75,581
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	736	826
Derivative financial liabilities	4,611	5,166
Total liabilities	1,591,586	1,339,265
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	46,616	9,487
Securities available for sale	266,542	280,792
Other investments	12,942	8,949
Loans held for sale, net	176	779
Loans, net	1,321,235	1,084,955
Accrued interest receivable	6,167	5,544
Derivative Asset	200	94
Total assets	1,653,878	1,390,600
Deposits	1,309,820	1,077,510
Short-term borrowings	224,461	171,394
Long-term borrowings	49,013	80,506
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	736	826
Derivative financial liabilities	4,611	5,166
Total liabilities	1,608,230	1,354,991
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
Securities available for sale	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Derivative Asset	0	0
Total assets	0	0
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated debentures owed to unconsolidated subsidiary trusts	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	176	779
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	46,616	9,487
Securities available for sale	266,542	280,792
Other investments	12,942	8,949
Loans held for sale, net	176	779
Loans, net	1,075	279
Accrued interest receivable	6,167	5,544
Derivative Asset	200	94
Total assets	333,718	305,924
Deposits	1,309,820	1,077,510
Short-term borrowings	224,461	171,394
Long-term borrowings	49,013	80,506
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	736	826
Derivative financial liabilities	4,611	5,166
Total liabilities	1,608,230	1,354,991
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
Securities available for sale	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	1,320,160	1,084,676
Accrued interest receivable	0	0
Derivative Asset	0	0
Total assets	1,320,160	1,084,676
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated debentures owed to unconsolidated subsidiary trusts	0	0
Accrued interest payable	0	0
Derivative financial liabilities	0	0
Total liabilities	$ 0	$ 0