General - Depreciation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
General and Administrative Expense
Public Utility, Property, Plant and Equipment [Line Items]
Depreciation	$ 416	$ 400	$ 1,251	$ 1,191