Loans, Net Recorded investment in nonaccrual loans and loans past due and still accruing by class of loans (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 8,784	$ 9,944
Past due 90 days or more and still accruing	278	30
Real Estate Loans Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	204	247
Past due 90 days or more and still accruing	0	0
Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	4,460	4,932
Past due 90 days or more and still accruing	0	0
Other Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,186	1,472
Past due 90 days or more and still accruing	248	0
Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,036	290
Past due 90 days or more and still accruing	30	30
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,898	3,003
Past due 90 days or more and still accruing	$ 0	$ 0