Fair Value - Assets Measured at Fair Value on a Non-Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 4,277	$ 6,093
Other real estate owned, net	6,765	8,401
Fair Value, Measurements, Nonrecurring | Commercial | Closed-end
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	92
Fair Value, Measurements, Nonrecurring | 1-4 Family Residential | Senior Lien
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	396	572
Other real estate owned, net	64	131
Fair Value, Measurements, Nonrecurring | Construction, Land & Development
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, net	1,744	1,140
Fair Value, Measurements, Nonrecurring | Commercial RE | Owner occupied
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, net	183
Fair Value, Measurements, Nonrecurring | Commercial RE | Non-owner occupied
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, net	880	468
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial | Closed-end
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	92
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential | Senior Lien
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	396	572
Other real estate owned, net	64	131
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Construction, Land & Development
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, net	1,744	1,140
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial RE | Owner occupied
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, net	183
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial RE | Non-owner occupied
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, net	$ 880	$ 468