Property and equipment table (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 24,967	$ 21,958
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(7,107)	(4,823)
Property, Plant and Equipment, Net	17,860	17,135
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,114	2,114
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	5,502	4,298
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	14,699	13,574
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,652	1,831
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 0	$ 141