Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Swaps (Details)

v3.21.1
Long-Term Debt - Swaps (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
USD ($)
item
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Jun. 13, 2019
USD ($)
Derivative [Line Items]        
Amount amortized from AOCL to earnings $ 748 $ 0    
Amount expected to be amortized from AOCI 2,991      
Adjustments on derivatives not designated as hedges (1,454) 1,413    
Inventories - truck chassis floor plan 12,112   $ 8,146  
Interest Expense, Debt 2,202 $ 1,413    
Interest rate swap        
Derivative [Line Items]        
Negative fair value $ 10,871   13,073  
Number of financial institutions for which the entity is exposed to counterparty credit risk | item 1      
Interest rate swap | Accrued Expenses and Other Current Liabilities        
Derivative [Line Items]        
Negative fair value $ 4,074   4,075  
Interest rate swap | Other Noncurrent Liabilities        
Derivative [Line Items]        
Negative fair value $ 6,797   $ 8,998  
Interest rate swap effective May 31,2019 through May 31,2024 [member]        
Derivative [Line Items]        
Notional amount       $ 175,000
Interest rate 2.495%      
Interest rate swap effective May 31,2019 through May 31,2024 [member] | London Interbank Offered Rate (LIBOR)        
Derivative [Line Items]        
LIBOR floor (as a percent) 1.00%