General - Depreciation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
General and Administrative Expense
Public Utility, Property, Plant and Equipment [Line Items]
Depreciation	$ 392	$ 396	$ 791	$ 792