Acquisition (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Business Combinations [Abstract]
Current assets	$ 7,233
Property, plant and equipment	14,340
Identifiable intangible assets	17,000
Other assets	45
Total assets assumed	38,618
Current liabilities	(3,945)
Note payable	(57)
Other long term liabilities	(116)
Total liabilities assumed	(4,118)
Net assets acquired	$ 34,500