Troubled Debt Restructuring (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Impaired Financing Receivable And Troubled Debt Restructing [Line Items]
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing	$ 1,054	$ 1,075
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual	291	812
Impaired Financing Receivable, Trouble Debt Structuring, Total	1,345	1,887
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses	110	121
Commercial and Industrial Loans [Member]
Impaired Financing Receivable And Troubled Debt Restructing [Line Items]
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing	40	48
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual	0	0
Impaired Financing Receivable, Trouble Debt Structuring, Total	40	48
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses	0	0
Construction And Land Development Loans [Member]
Impaired Financing Receivable And Troubled Debt Restructing [Line Items]
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing	0	0
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual	66	582
Impaired Financing Receivable, Trouble Debt Structuring, Total	66	582
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses	0	0
Commercial Real Estate Owner Occupied Loans [Member]
Impaired Financing Receivable And Troubled Debt Restructing [Line Items]
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing	1,014	1,027
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual	225	230
Impaired Financing Receivable, Trouble Debt Structuring, Total	1,239	1,257
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses	110	121
Commercial Real Estate Loans, Total [Member]
Impaired Financing Receivable And Troubled Debt Restructing [Line Items]
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing	1,014	1,027
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual	225	230
Impaired Financing Receivable, Trouble Debt Structuring, Total	1,239	1,257
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses	$ 110	$ 121

Troubled Debt Restructuring (Details) - USD ($)
$ in Thousands

Mar. 31, 2016

Dec. 31, 2015

Impaired Financing Receivable And Troubled Debt Restructing [Line Items]

Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing

$ 1,054

$ 1,075

Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual

291

812

Impaired Financing Receivable, Trouble Debt Structuring, Total

1,345