Premises and Equipment - Premises and equipment - (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Total cost	$ 18,290	$ 17,641
Accumulated depreciation and amortization	(7,515)	(6,736)
Net	10,775	10,905
Land
Property, Plant and Equipment [Line Items]
Total cost	2,694	2,659
Buildings
Property, Plant and Equipment [Line Items]
Total cost	8,860	8,819
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total cost	722	715
Equipment
Property, Plant and Equipment [Line Items]
Total cost	5,849	5,396
Construction in progress
Property, Plant and Equipment [Line Items]
Total cost	$ 165	$ 52