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Debt (Details 1) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Other indebtedness $ 3,397 $ 4,466
Total Debt 710,336 667,501
Less: current portion (141,802) (141,749)
Total Long-Term Debt 568,534 525,752
5.75% Unsecured Notes maturing in 2026 [Member]    
Debt Instrument [Line Items]    
Unsecured notes [1] 397,367 396,830
Unamortized debt issuance costs $ 2,600 $ 3,200
Stated interest rate 5.75% 5.75%
Effective interest rate 5.75%  
Five-Year Credit Agreement maturing in 2027 [Member]    
Debt Instrument [Line Items]    
Credit facility $ 180,662 $ 209,643
Effective interest rate 2.55%  
Commercial note with Truist Bank maturing in 2031 - $24.75 million [Member]    
Debt Instrument [Line Items]    
Commercial note [2] $ 23,767 24,504
Unamortized debt issuance costs $ 100 100
Effective interest rate 2.73%  
Commercial note with Truist Bank maturing in 2032 - $71.6 million [Member]    
Debt Instrument [Line Items]    
Commercial note $ 69,542 22,500
Effective interest rate 3.04%  
Commercial note with Truist Bank maturing in 2032 - $27.2 million [Member]    
Debt Instrument [Line Items]    
Commercial note [3] $ 26,886 0
Unamortized debt issuance costs $ 100  
Effective interest rate 4.06%  
Pinnacle Bank Term Loan maturing in 2024 [Member]    
Debt Instrument [Line Items]    
Loans Payable to Bank $ 8,715 $ 9,558
Stated interest rate 4.15%  
Effective interest rate 4.19%  
Minimum [Member] | Five-Year Credit Agreement maturing in 2027 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 1.61%  
Minimum [Member] | Commercial note with Truist Bank maturing in 2031 - $24.75 million [Member]    
Debt Instrument [Line Items]    
Stated interest rate 1.85%  
Minimum [Member] | Commercial note with Truist Bank maturing in 2032 - $71.6 million [Member]    
Debt Instrument [Line Items]    
Stated interest rate 2.10%  
Minimum [Member] | Commercial note with Truist Bank maturing in 2032 - $27.2 million [Member]    
Debt Instrument [Line Items]    
Stated interest rate 3.49%  
Minimum [Member] | Other Indebtedness [Member]    
Debt Instrument [Line Items]    
Stated interest rate 0.00%  
Maximum [Member] | Five-Year Credit Agreement maturing in 2027 [Member]    
Debt Instrument [Line Items]    
Stated interest rate 6.63%  
Maximum [Member] | Commercial note with Truist Bank maturing in 2031 - $24.75 million [Member]    
Debt Instrument [Line Items]    
Stated interest rate 4.13%  
Maximum [Member] | Commercial note with Truist Bank maturing in 2032 - $71.6 million [Member]    
Debt Instrument [Line Items]    
Stated interest rate 4.56%  
Maximum [Member] | Commercial note with Truist Bank maturing in 2032 - $27.2 million [Member]    
Debt Instrument [Line Items]    
Stated interest rate 4.31%  
Maximum [Member] | Other Indebtedness [Member]    
Debt Instrument [Line Items]    
Stated interest rate 16.00%  
[1] The carrying value is net of $2.6 million and $3.2 million of unamortized debt issuance costs as of September 30, 2022 and December 31, 2021, respectively.
[2] The carrying value is net of $0.1 million of unamortized debt issuance costs as of September 30, 2022 and December 31, 2021.
[3] The carrying value is net of $0.1 million of unamortized debt issuance costs as of September 30, 2022.