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Debt (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Other indebtedness $ 4,341 $ 4,466
Total Debt 627,926 667,501
Less: current portion (104,824) (141,749)
Total Long-Term Debt 523,102 525,752
5.75% Unsecured Notes maturing in 2026 [Member]    
Debt Instrument [Line Items]    
Unsecured notes [1] 397,007 396,830
Unamortized debt issuance costs $ 3,000 $ 3,200
Stated interest rate 5.75% 5.75%
Effective interest rate 5.75%  
Five-Year Credit Agreement maturing in 2023 [Member]    
Debt Instrument [Line Items]    
Credit facility $ 170,918 $ 209,643
Effective interest rate 1.77%  
Commercial note with Truist Bank maturing in 2031 [Member]    
Debt Instrument [Line Items]    
Commercial note [2] $ 24,258 24,504
Unamortized debt issuance costs $ 100 100
Effective interest rate 1.89%  
Commercial note with Truist Bank maturing in 2032 [Member]    
Debt Instrument [Line Items]    
Commercial note $ 22,125 22,500
Effective interest rate 2.14%  
Pinnacle Bank Term Loan maturing in 2024 [Member]    
Debt Instrument [Line Items]    
Loans Payable to Bank $ 9,277 $ 9,558
Stated interest rate 4.15%  
Effective interest rate 4.19%  
Minimum [Member] | Five-Year Credit Agreement maturing in 2023 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 1.61%  
Minimum [Member] | Commercial note with Truist Bank maturing in 2031 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 1.85%  
Minimum [Member] | Commercial note with Truist Bank maturing in 2032 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 2.10%  
Minimum [Member] | Other Indebtedness [Member]    
Debt Instrument [Line Items]    
Stated interest rate 0.00%  
Maximum [Member] | Five-Year Credit Agreement maturing in 2023 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 3.75%  
Maximum [Member] | Commercial note with Truist Bank maturing in 2031 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 1.91%  
Maximum [Member] | Commercial note with Truist Bank maturing in 2032 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 2.16%  
Maximum [Member] | Other Indebtedness [Member]    
Debt Instrument [Line Items]    
Stated interest rate 16.00%  
[1] The carrying value is net of $3.0 million and $3.2 million of unamortized debt issuance costs as of March 31, 2022 and December 31, 2021, respectively.
[2] The carrying value is net of $0.1 million of unamortized debt issuance costs as of March 31, 2022 and December 31, 2021.