Fair Value (Carrying Amounts and Estimated Fair Values of Company's Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financial Assets:
Securities Held-to-Maturity	$ 95	$ 184
FHLB Stock and Other Restricted Stock	7,200	7,040
Loans, Net	1,431,844	1,433,053
Financial Liabilities:
Time Deposits	(364,658)	(333,425)
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets:
Cash and Short-term Investments	34,277	33,481
Securities Held-to-Maturity	0	0
Loans, Net	0	0
Accrued Interest Receivable	0	0
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,435,741)	(1,446,336)
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	0	0
Accrued Interest Payable	0	0
Significant Other Observable Inputs (Level 2)
Financial Assets:
Cash and Short-term Investments	26,690	9,065
Securities Held-to-Maturity	95	186
Loans, Net	0	0
Accrued Interest Receivable	2,473	2,240
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	(366,015)	(335,134)
Short-term Borrowings	(114,261)	(141,473)
Long-term Debt	(60,238)	(60,289)
Accrued Interest Payable	(610)	(704)
Significant Unobservable Inputs (Level 3)
Financial Assets:
Cash and Short-term Investments	0	0
Securities Held-to-Maturity	0	0
Loans, Net	1,430,603	1,432,622
Accrued Interest Receivable	6,022	5,922
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	(5,353)	(5,429)
Accrued Interest Payable	(43)	(50)
Carrying Value
Financial Assets:
Cash and Short-term Investments	60,967	42,546
Securities Held-to-Maturity	95	184
FHLB Stock and Other Restricted Stock	7,200	7,040
Loans, Net	1,430,083	1,431,549
Accrued Interest Receivable	8,495	8,162
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,435,741)	(1,446,336)
Time Deposits	(364,658)	(333,425)
Short-term Borrowings	(114,261)	(141,473)
Long-term Debt	(64,564)	(64,591)
Accrued Interest Payable	(653)	(754)
Total
Financial Assets:
Cash and Short-term Investments	60,967	42,546
Securities Held-to-Maturity	95	186
Loans, Net	1,430,603	1,432,622
Accrued Interest Receivable	8,495	8,162
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,435,741)	(1,446,336)
Time Deposits	(366,015)	(335,134)
Short-term Borrowings	(114,261)	(141,473)
Long-term Debt	(65,591)	(65,718)
Accrued Interest Payable	$ (653)	$ (754)