Loans Receivable and Allowance for Loan Losses (Composition of Loans Receivable) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 539,217		$ 501,534
Deferred fees (net)	(347)		(399)
Total loans receivable	538,870		501,135
Allowance for loan losses	(5,947)	$ (6,007)	(5,875)	$ (5,611)	$ (5,727)	$ (5,708)
Net loans receivable	$ 532,923		$ 495,260
Percent of Loans	100.00%		100.00%
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 161,181		$ 158,139
Allowance for loan losses	$ (1,085)	(1,353)	$ (1,323)	(1,194)	(1,332)	(1,441)
Percent of Loans	29.90%		31.50%
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 266,798		$ 261,956
Allowance for loan losses	$ (4,152)	(3,994)	$ (3,890)	(3,900)	(3,842)	(3,025)
Percent of Loans	49.50%		52.20%
Construction Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 19,773		$ 19,221
Allowance for loan losses	$ (97)	(115)	$ (222)	(205)	(231)	(898)
Percent of Loans	3.70%		3.90%
Commercial, financial and agricultural loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 67,440		$ 42,514
Allowance for loan losses	$ (405)	(353)	$ (256)	(179)	(184)	(184)
Percent of Loans	12.50%		8.50%
Consumer loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 24,025		$ 19,704
Allowance for loan losses	$ (208)	$ (192)	$ (184)	$ (133)	$ (138)	$ (160)
Percent of Loans	4.40%		3.90%