Fair Value of Financial Instruments (Fair Value by Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	$ 20,568	$ 50,188
Investment securities - AFS, fair value	147,227	170,232
Interest bearing deposits	2,117	1,953
Investment securities - HTM	101,958	106,742
Restricted bank stock	5,881	5,904
Loans, net	911,805	872,991
Accrued interest receivable	3,885	4,218
Deposits - non-maturity	762,352	744,219
Deposits - time deposits	246,970	258,267
Short-term borrowed funds	20,357	35,828
Long-term borrowed funds	148,826	151,562
Accrued interest payable	481	478
Financial derivative	1,126	66
Off balance sheet financial instruments	0	0
Cash and due from banks, carrying amount	20,568	50,188
Investment securities - AFS, carrying amount	147,227	170,232
Interest bearing deposits in banks, carrying amount	2,117	1,953
Held-to-maturity amortized cost	97,730	105,560
Restricted bank stock, carrying amount	5,881	5,904
Loans, net, carrying amount	906,574	867,101
Accrued interest receivable, carrying amount	3,885	4,218
Deposits - non-maturity, carrying amount	762,352	744,219
Deposits - time deposits, carrying amount	242,916	254,575
Short-term borrowings	20,357	35,828
Long-term borrowings	146,756	147,537
Accrued interest payable, carrying amount	481	478
Financial derivative, carrying amount	1,126	66
Off-Balance Sheet risks, amount, liability, carrying amount	0	0
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	20,568	50,188
Interest bearing deposits	2,117	1,953
Off balance sheet financial instruments	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - AFS, fair value	126,997	148,021
Investment securities - HTM	98,947	103,779
Restricted bank stock	5,881	5,904
Accrued interest receivable	3,885	4,218
Deposits - non-maturity	762,352	744,219
Deposits - time deposits	246,970	258,267
Short-term borrowed funds	20,357	35,828
Long-term borrowed funds	148,826	151,562
Accrued interest payable	481	478
Financial derivative	1,126
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - AFS, fair value	20,230	22,211
Investment securities - HTM	3,011	2,963
Loans, net	$ 911,805	872,991
Financial derivative		$ 66