Restructuring (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total	Total
Components of restructuring expenses and reserve
Accrued restructuring, beginning of period	$ 2,118	$ 1,953
Employee severance, benefits and other related costs	284	855
Payments	(1,149)	(1,555)
Accrued restructuring, end of period	$ 1,253	$ 1,253