XML 36 R47.htm IDEA: XBRL DOCUMENT v3.20.1
Debt and Financing Arrangements (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Oct. 15, 2018
Debt Instrument [Line Items]    
interest rate 1.81%  
Interest expense $ 100,000  
Increase in borrowing rate 1.00%  
Interest expense annual increase $ 800,000  
Revolving Facility    
Debt Instrument [Line Items]    
Principal amount   $ 150,000,000
Long-term debt $ 75,000,000  
Credit Agreement    
Debt Instrument [Line Items]    
Additional borrowings available   100,000,000
Swing Loans    
Debt Instrument [Line Items]    
Additional borrowings available   20,000,000
Letter of Credit    
Debt Instrument [Line Items]    
Additional borrowings available   $ 20,000,000