Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Long-Term Debt (Details)

v3.21.2
Long-Term Debt - Long-Term Debt (Details) - USD ($)
$ in Thousands
Oct. 13, 2021
Sep. 30, 2021
Dec. 31, 2020
Mar. 10, 2017
Debt Instrument [Line Items]        
Subtotal   $ 701,453 $ 727,930  
Debt issuance costs   (10,296) (7,863)  
Total debt   691,157 720,067  
Less current maturities   (53,383) (68,244)  
Long-term debt   637,774 651,823  
Mortgage notes        
Debt Instrument [Line Items]        
Mortgage notes to finance companies - fixed rate, bearing interest from 3.51% to 7.03%   217,504 212,135  
Mortgage notes to finance companies - variable rate, bearing interest at 1.50 to 2.90 percentage points above one-month or three-month LIBOR   141,225 164,889  
Subtotal   $ 358,700    
Mortgage notes | Minimum        
Debt Instrument [Line Items]        
Mortgage notes to finance companies-fixed rate, percentage   3.51%    
Mortgage notes to finance companies-variable rate, percentage   1.50%    
Mortgage notes | Maximum        
Debt Instrument [Line Items]        
Mortgage notes to finance companies-fixed rate, percentage   7.03%    
Mortgage notes to finance companies-variable rate, percentage   2.90%    
TwoThousandSixteenRevolvingCreditFacilityMember        
Debt Instrument [Line Items]        
2016 Revolving Credit Facility   $ 0 $ 0  
Interest rate   2.50% 2.25%  
5.0% Senior Subordinate Notes due 2023        
Debt Instrument [Line Items]        
Stated interest rate   5.00%    
6.125% Senior Subordinate Notes due 2027        
Debt Instrument [Line Items]        
Senior Subordinated Notes   $ 250,000 $ 250,000  
Total debt   $ 250,000 250,000  
Stated interest rate 6.125% 6.125%   6.125%
2019 Mortgage Facility [Member]        
Debt Instrument [Line Items]        
Senior Subordinated Notes   $ 92,724 $ 100,906