Loans Receivable and Allowance for Loan Losses (Composition of Loans Receivable) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 566,092	$ 560,251
Deferred fees, net	(305)	(326)
Total loans receivable	565,787	559,925
Allowance for loan losses	7,642	7,298	$ 6,007	$ 5,875
Net loans receivable	$ 558,145	$ 552,627
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	$ 160,013	$ 161,820
Allowance for loan losses	$ 1,077	$ 1,069	1,353	1,323
Percent of Loans	28.30%	28.90%
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 281,667	$ 279,123
Allowance for loan losses	$ 5,758	$ 5,506	3,994	3,890
Percent of Loans	49.70%	49.80%
Construction Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 18,999	$ 18,987
Allowance for loan losses	$ 109	$ 90	115	222
Percent of Loans	3.40%	3.40%
Commercial, financial and agricultural loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 72,970	$ 71,090
Allowance for loan losses	$ 446	$ 397	353	256
Percent of Loans	12.90%	12.70%
Consumer loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 32,443	$ 29,231
Allowance for loan losses	$ 252	$ 236	$ 192	$ 184
Percent of Loans	5.70%	5.20%