Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.2
Subsequent Events (Details) - USD ($)
$ in Millions
Jul. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Subsequent Event      
Subsequent Event [Line Items]      
Proceeds from lines of credit $ 3.5    
Remaining borrowing capacity 90.0    
Revolving Credit Facility      
Subsequent Event [Line Items]      
Remaining borrowing capacity   $ 93.5 $ 175.8
Letter of Credit      
Subsequent Event [Line Items]      
Remaining borrowing capacity   $ 8.7 $ 8.4
Letter of Credit | Subsequent Event      
Subsequent Event [Line Items]      
Remaining borrowing capacity 8.7    
Line of Credit | Revolving Credit Facility | Subsequent Event      
Subsequent Event [Line Items]      
Proceeds from lines of credit $ 85.5