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Debt (Tables) | 9 Months Ended
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Sep. 30, 2025
Debt [Abstract] |
Debt |
|  | As of Sep. 30, 2025 |  |  | As of Dec. 31, 2024 |
Variable Rate Pennsylvania Economic Development Financing Authority Exempt Facilities Revenue Refunding Bonds, Series 2008A, due 2029 |  | $ | 12,000 |  |  | $ | 12,000 |
3.00% Pennsylvania Economic Development Financing Authority Exempt Facilities Revenue Refunding Bonds, Series A of 2019, due 2036 |  |  | 10,500 |  |  |  | 10,500 |
3.10% Pennsylvania Economic Development Financing Authority Exempt Facilities Revenue Refunding Bonds, Series B of 2019, due 2038 |  |  | 14,870 |  |  |  | 14,870 |
3.23% Senior Notes, due 2040 |  |  | 15,000 |  |  |  | 15,000 |
4.00% - 4.50% York County Industrial Development Authority Exempt Facilities Revenue Bonds, Series 2015, due 2029 – 2045 |  |  | 10,000 |  |  |  | 10,000 |
4.54% Senior Notes, due 2049 |  |  | 20,000 |  |  |  | 20,000 |
3.24% Senior Notes, due 2050 |  |  | 30,000 |  |  |  | 30,000 |
5.50% Senior Notes, due 2053 |  |  | 40,000 |  |  |  | 40,000 |
5.67% Senior Notes, due 2054 |  |  | 40,000 |  |  |  | 40,000 |
Committed Line of Credit, due September 2027 |  |  | 37,430 |  |  |  | 15,808 |
Total long-term debt |  |  | 229,800 |  |  |  | 208,178 |
Less discount on issuance of long-term debt |  |  | (127 | ) |  |  | (136 | )
Less unamortized debt issuance costs |  |  | (2,350 | ) |  |  | (2,481 | )
Less current maturities |  |  | (330 | ) |  |  | – |
Long-term portion |  | $ | 226,993 |  |  | $ | 205,561 |

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