XML 72 R55.htm IDEA: XBRL DOCUMENT v3.19.1
Debt - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Amount drew down during the period, on line of credit $ 11.3  
Long-term debt, gross $ 93.9  
Revolving credit facility    
Debt Instrument [Line Items]    
Debt, weighted average interest rate 2.45% 3.58%
Long-term debt, gross $ 11.3 $ 0.0