Quarterly report pursuant to Section 13 or 15(d)

Recent Transactions (Management Changes) (Narrative) (Details)

v3.10.0.1
Recent Transactions (Management Changes) (Narrative) (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
Mar. 15, 2018
item
Mar. 14, 2018
item
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 600 $ 7,500    
Restructuring costs related to stock compensation   1,100    
Amortization of stock compensation   1,700    
Number of board members | item     10 9
General and Administrative Expense [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   6,200    
Operating Services [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   $ 1,300