Loans - Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	$ 211	$ 137
Interest Income Recorded on a Cash Basis	79	49
Commercial, financial, and agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	4	12
Interest Income Recorded on a Cash Basis	1	8
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	32	5
Interest Income Recorded on a Cash Basis	14	9
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	169	105
Interest Income Recorded on a Cash Basis	64	25
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	6	15
Interest Income Recorded on a Cash Basis	$ 0	$ 7