Fair Value Measurements and Fair Value of Financial Instruments (Assets Measured at Fair Value on a Non-Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 17,925	$ 16,074
Other real estate owned	220	1,300
Significant Unobservable Inputs (Level 3) [Member] | Assets Measures at Fair Value on a Non-Recurring Basis [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	4,601	4,790
Other real estate owned	$ 220	$ 1,300