Loans - Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	$ 167	$ 107	$ 506	$ 343
Interest Income Recorded on a Cash Basis	158	37	266	135
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	1	3	5	17
Interest Income Recorded on a Cash Basis	0	0	1	8
Real estate mortgage | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	57	12	113	33
Interest Income Recorded on a Cash Basis	68	8	95	27
Real estate mortgage | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	109	77	388	248
Interest Income Recorded on a Cash Basis	90	12	170	47
Real estate mortgage | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income That Would Have Been Recorded Based on Original Term and Rate	0	15	0	45
Interest Income Recorded on a Cash Basis	$ 0	$ 17		$ 53