Quarterly report pursuant to Section 13 or 15(d)

Closure Costs (Details)

v3.10.0.1
Closure Costs (Details) - USI
$ in Thousands
 6 Months Ended
Jun. 30, 2018
USD ($)
Closure Costs  
Closure costs, expected amount $ 5,800
Closure Costs  
Closure Costs Incurred for the Period 3,648
Cash Payments for the Period (1,057)
Closure Costs Liability, Ending Balance 2,591
Severance  
Closure Costs  
Closure Costs Incurred for the Period 3,239
Cash Payments for the Period (1,048)
Closure Costs Liability, Ending Balance 2,191
Lease abandonment  
Closure Costs  
Closure Costs Incurred for the Period 400
Closure Costs Liability, Ending Balance 400
Other costs  
Closure Costs  
Closure Costs Incurred for the Period 9
Cash Payments for the Period $ (9)