Fair Value of Financial Instruments (Fair Value by Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	$ 51,865	$ 50,188
Investment securities - AFS, fair value	155,243	170,232
Interest bearing deposits	1,396	1,953
Investment securities - HTM	105,211	106,742
Restricted bank stock	5,881	5,904
Loans, net	894,216	872,991
Accrued interest receivable	3,707	4,218
Deposits - non-maturity	767,555	744,219
Deposits - time deposits	251,958	258,267
Short-term borrowed funds	29,554	35,828
Long-term borrowed funds	149,820	151,562
Accrued interest payable	504	478
Financial derivative	617	66
Off balance sheet financial instruments	0	0
Cash and due from banks, carrying amount	51,865	50,188
Investment securities - AFS, carrying amount	155,243	170,232
Interest bearing deposits in banks, carrying amount	1,396	1,953
Held-to-maturity amortized cost	101,521	105,560
Restricted bank stock, carrying amount	5,881	5,904
Loans, net, carrying amount	888,341	867,101
Accrued interest receivable, carrying amount	3,707	4,218
Deposits - non-maturity, carrying amount	767,555	744,219
Deposits - time deposits, carrying amount	248,275	254,575
Short-term borrowings	29,554	35,828
Long-term borrowings	147,519	147,537
Accrued interest payable, carrying amount	504	478
Financial derivative, carrying amount	617	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	51,865	50,188
Interest bearing deposits	1,396	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	135,711	148,021
Investment securities - HTM	102,193	103,779
Restricted bank stock	5,881	5,904
Accrued interest receivable	3,707	4,218
Deposits - non-maturity	767,555	744,219
Deposits - time deposits	251,958	258,267
Short-term borrowed funds	29,554	35,828
Long-term borrowed funds	149,820	151,562
Accrued interest payable	504	478
Financial derivative	584
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - AFS, fair value	19,532	22,211
Investment securities - HTM	3,018	2,963
Loans, net	894,216	872,991
Financial derivative	$ 33	$ 66

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Includes disclosure of claims held for interest amounts due a company.

No definition available.