XML 87 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Long-Term Obligations and Commitments, Research and Development and Manufacturing Facilities (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jul. 31, 2017
Sep. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Research and Development and Manufacturing Facilities [Abstract]          
Loss on extinguishment of financing liability for leased facility     $ (7,689) $ 0 $ 0
Primary R&D Facility [Member]          
Research and Development and Manufacturing Facilities [Abstract]          
Payment to acquire building $ 79,400        
Loss on extinguishment of financing liability for leased facility   $ (7,689)      
Proceeds from mortgage loan $ 51,300        
Interest rate 3.88%        
Period to make interest only payments on mortgage loan     5 years    
Manufacturing Facility [Member]          
Research and Development and Manufacturing Facilities [Abstract]          
Payment to acquire building $ 14,000        
Proceeds from mortgage loan $ 9,100        
Interest rate 4.20%        
Period to make interest only payments on mortgage loan     5 years