Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Components of property and equipment
Property and equipment, Gross	$ 27,780	$ 25,555
Accumulated depreciation	(6,935)	(5,728)
Total property and equipment	20,845	19,827
Land [Member]
Components of property and equipment
Property and equipment, Gross	4,862	4,862
Buildings [Member]
Components of property and equipment
Property and equipment, Gross	14,714	12,976
Leasehold Improvements [Member]
Components of property and equipment
Property and equipment, Gross	1,650	1,628
Furniture and equipment [Member]
Components of property and equipment
Property and equipment, Gross	6,139	5,451
Software [Member]
Components of property and equipment
Property and equipment, Gross	385	337
Construction in process [Member]
Components of property and equipment
Property and equipment, Gross	$ 30	$ 301