Quarterly report pursuant to Section 13 or 15(d)

The Company - Narrative (Details)

v3.10.0.1
The Company - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
May 31, 2018
USD ($)
Customer
Sep. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
Accounting Policies [Abstract]      
Client funds diverted $ 6.0    
Number of clients impacted | Customer 3    
Other Current Assets      
Loss Contingencies [Line Items]      
Receivable   $ 6.0 $ 6.0
General and Administrative Expense      
Loss Contingencies [Line Items]      
Non-recoverable expenses   $ 0.1 $ 0.4