Fair Value (Carrying Amounts and Estimated Fair Values of Company's Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financial Assets:
Securities Held-to-Maturity	$ 268	$ 346
FHLB Stock and Other Restricted Stock	8,340	8,340
Loans, Net	1,266,978	1,189,346
Financial Liabilities:
Time Deposits	(332,181)	(329,183)
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial Assets:
Cash and Short-term Investments	46,657	41,624
Securities Held-to-Maturity	0	0
FHLB Stock and Other Restricted Stock		0
Loans, Net	0	0
Accrued Interest Receivable	0	0
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,338,858)	(1,311,748)
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) [Member]
Financial Assets:
Cash and Short-term Investments	18,014	10,170
Securities Held-to-Maturity	271	351
FHLB Stock and Other Restricted Stock		0
Loans, Net	0	0
Accrued Interest Receivable	1,906	1,893
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	(335,093)	(333,170)
Short-term Borrowings	(102,792)	(71,534)
Long-term Debt	(85,026)	(66,892)
Accrued Interest Payable	(647)	(829)
Significant Unobservable Inputs (Level 3) [Member]
Financial Assets:
Cash and Short-term Investments	0	0
Securities Held-to-Maturity	0	0
FHLB Stock and Other Restricted Stock		0
Loans, Net	1,270,263	1,199,566
Accrued Interest Receivable	5,496	5,526
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	(5,287)	(28,872)
Accrued Interest Payable	(43)	(446)
Commitments to Extend Credit [Member]
Unrecognized Financial Instruments:
Financial Instruments with Off-Balance Sheet Risk, carrying value	0	0
Financial Instruments with Off-Balance Sheet Risk, fair value	0	0
Standby Letters of Credit [Member]
Unrecognized Financial Instruments:
Financial Instruments with Off-Balance Sheet Risk, carrying value	0	0
Financial Instruments with Off-Balance Sheet Risk, fair value	0	0
Commitments to Sell Loans [Member]
Unrecognized Financial Instruments:
Financial Instruments with Off-Balance Sheet Risk, carrying value	0	0
Financial Instruments with Off-Balance Sheet Risk, fair value	0	0
Carrying Value [Member]
Financial Assets:
Cash and Short-term Investments	64,671	51,794
Securities Held-to-Maturity	268	346
FHLB Stock and Other Restricted Stock	8,340	8,340
Loans, Net	1,265,721	1,186,483
Accrued Interest Receivable	7,402	7,419
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,338,858)	(1,311,748)
Time Deposits	(332,181)	(329,183)
Short-term Borrowings	(102,792)	(71,534)
Long-term Debt	(88,762)	(89,472)
Accrued Interest Payable	(690)	(1,275)
Fair Value [Member]
Financial Assets:
Cash and Short-term Investments	64,671	51,794
Securities Held-to-Maturity	271	351
FHLB Stock and Other Restricted Stock		0
Loans, Net	1,270,263	1,199,566
Accrued Interest Receivable	7,402	7,419
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,338,858)	(1,311,748)
Time Deposits	(335,093)	(333,170)
Short-term Borrowings	(102,792)	(71,534)
Long-term Debt	(90,313)	(95,764)
Accrued Interest Payable	$ (690)	$ (1,275)