XML 77 R54.htm IDEA: XBRL DOCUMENT v3.20.2
Debt and Other Borrowings - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 15, 2020
Jun. 30, 2020
Jun. 30, 2020
Dec. 31, 2019
Senior Notes | 5.5% Senior Notes due in 2026        
Debt Instrument [Line Items]        
Stated interest rate   5.50% 5.50%  
Aggregate principal amount   $ 350,000,000.0 $ 350,000,000.0  
Interest payment $ 9,600,000      
Unamortized debt issuance cost   3,600,000 3,600,000 $ 3,900,000
Line of credit        
Debt Instrument [Line Items]        
Available credit   347,800,000 347,800,000 344,100,000
Line of credit | Revolving credit facility        
Debt Instrument [Line Items]        
Outstanding borrowings   0 0 0
Interest payments   0 0  
Unamortized debt issuance cost   2,600,000 $ 2,600,000 3,100,000
Line of credit | Revolving credit facility | Base Rate | Minimum        
Debt Instrument [Line Items]        
Basis spread on variable rate     0.50%  
Line of credit | Revolving credit facility | Base Rate | Maximum        
Debt Instrument [Line Items]        
Basis spread on variable rate     1.00%  
Line of credit | Revolving credit facility | LIBOR | Minimum        
Debt Instrument [Line Items]        
Basis spread on variable rate     1.50%  
Line of credit | Revolving credit facility | LIBOR | Maximum        
Debt Instrument [Line Items]        
Basis spread on variable rate     2.00%  
Line of credit | Letter of credit        
Debt Instrument [Line Items]        
Outstanding borrowings   $ 2,200,000 $ 2,200,000 $ 5,900,000