Quarterly report pursuant to Section 13 or 15(d)

Closure Costs (Details)

v3.19.2
Closure Costs (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Closure Costs    
Closure costs, expected amount $ 6,900  
Closure costs 200 $ 6,700
USI    
Closure Costs    
Closure Costs Liability, Beginning of Period 3,366  
Closure Costs Incurred for the Period 239  
Cash Payments for the Period (2,981)  
Non-cash adjustments for the period 110  
Closure Costs Liability, Ending Balance 734 3,366
USI | Severance    
Closure Costs    
Closure Costs Liability, Beginning of Period 3,065  
Closure Costs Incurred for the Period 239  
Cash Payments for the Period (2,882)  
Non-cash adjustments for the period (119)  
Closure Costs Liability, Ending Balance 303 3,065
USI | Lease abandonment    
Closure Costs    
Closure Costs Liability, Beginning of Period 301  
Cash Payments for the Period (99)  
Non-cash adjustments for the period 229  
Closure Costs Liability, Ending Balance $ 431 $ 301