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Short Term Borrowings and Long Term Debt (Maturities of Revolving Credit Facility and Long-term Debt) (Details)
$ in Thousands
Jun. 30, 2021
USD ($)
Mississippi Bond  
Debt Instrument [Line Items]  
2022 $ 343
2023 348
2024 352
2025 357
2026 361
Thereafter 2,663
Total principal payments, long-term debt 4,424
Revolving Credit Facility  
Debt Instrument [Line Items]  
2022 0
2023 0
2024 0
2025 0
2026 0
Thereafter 0
Total principal payments, long-term debt 0
Term Loan Facility  
Debt Instrument [Line Items]  
2022 7,500
2023 11,250
2024 120,000
2025 0
2026 0
Thereafter 0
Total principal payments, long-term debt $ 138,750