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Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020 | Dec. 13, 2017 | May 26, 2016
Debt Instrument |  |  |  |
Long-term Debt, Fair Value | $ 159,233 | $ 160,376 |  |
150M Senior Notes |  |  |  |
Debt Instrument |  |  |  |
Debt Instrument, Maturity Date | Dec. 15, 2027 |  |  |
Interest rate (percentage) |  |  | 6.25% |
Debt Instrument, Interest Rate, Effective Percentage | 6.25% |  |  |
Long-term Debt, Fair Value | $ 150,000 | 150,000 |  |
BB&T Term Note Payable |  |  |  |
Debt Instrument |  |  |  |
Debt Instrument, Maturity Date | May 26, 2031 |  |  |
Interest rate (percentage) |  |  |  | 1.65%
Debt Instrument, Interest Rate, Effective Percentage | 1.75% |  |  |
Long-term Debt, Fair Value | $ 3,351 | 3,611 |  |
Florida State Board of Administration |  |  |  |
Debt Instrument |  |  |  |
Debt Instrument, Maturity Date | Jul. 01, 2026 |  |  |
Interest rate (percentage) | 1.49% |  |  |
Long-term Debt, Fair Value | $ 5,882 | $ 6,765 |  |

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