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Debt (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Schedule of Short-term and Long-term Debt | The Company’s short-term and long-term debt at December 31, 2020 and 2019 consisted of the following:
| December 31,
(in thousands) | 2020 |  | 2019
Short-term debt – non-recourse | $ | 93,192 |  |  | $ | 54,029 |
Short-term debt – recourse | 310,511 |  |  | 93,002 |
Total short-term debt | 403,703 |  |  | 147,031 |
Current maturities of long-term debt – non-recourse | 6,438 |  |  | 9,545 |
Current maturities of long-term debt – recourse | 69,037 |  |  | 53,354 |
Total current maturities of long-term debt | 75,475 |  |  | 62,899 |
Long-term debt, less: current maturities – non-recourse | 143,406 |  |  | 330,250 |
Long-term debt, less: current maturities – recourse | 773,134 |  |  | 685,998 |
Total long-term debt, less: current maturities | $ | 916,540 |  |  | $ | 1,016,248 |
Schedule of Long-term Debt |
| December 31,
(in thousands, except percentages) | 2020 |  | 2019
Note payable, variable rate (1.85% at December 31, 2020), payable in increasing amounts plus interest, due 2026 | $ | 225,000 |  |  | $ | 237,500 |
Note payable, variable rate (1.60% at December 31, 2020), payable in increasing amounts plus interest, due 2026 | 150,000 |  |  | — |
Note payable, variable rate (1.60% at December 31, 2020), payable in increasing amounts plus interest, due 2024 | 145,000 |  |  | 157,500 |
Note payable, 4.50%, payable at maturity, due 2034 (a) | 102,524 |  |  | 105,000 |
Finance lease obligations, due serially to 2030 (a) | 36,484 |  |  | 38,482 |
Note payable, 4.07%, payable at maturity, due 2021 | 26,000 |  |  | 26,000 |
Note payable, 4.85%, payable at maturity, due 2026 | 25,000 |  |  | 25,000 |
Note payable, 4.55%, payable at maturity, due 2023 | 24,000 |  |  | 24,000 |
Note payable, 3.33%, payable in increasing amounts plus interest, due 2025 (a) | 22,634 |  |  | 23,780 |
Note payable, 3.29%, payable in increasing amounts plus interest, due 2022 (a) | 16,028 |  |  | 17,497 |
Note payable, 4.50%, payable at maturity, due 2030 | 16,000 |  |  | 16,000 |
Note payable, 5.00%, payable at maturity, due 2040 | 14,000 |  |  | 14,000 |
Note payable, variable rate (1.77% at December 31, 2020), payable quarterly, due 2024 (a) | 11,250 |  |  | 12,250 |
Industrial revenue bond, variable rate (1.88% at December 31, 2020), payable at maturity, due 2036 | 21,000 |  |  | 21,000 |
Debenture bonds, 2.65% to 4.50%, payable in increasing amounts plus interest, due 2021 through 2031 | 12,730 |  |  | 26,075 |
Industrial revenue bond, variable rate, paid 2020 | — |  |  | 3,100 |
| 847,650 |  |  | 747,184 |
Less: current maturities | 69,037 |  |  | 53,353 |
Less: unamortized prepaid debt issuance costs | 5,479 |  |  | 7,833 |
| $ | 773,134 |  |  | $ | 685,998 |
(a) Debt is collateralized by first mortgages on certain facilities and related equipment or other assets with a book value $172.4 million The Company's non-recourse long-term debt consists of the following:
| December 31,
(in thousands) | 2020 |  | 2019
Note payable, variable rate (3.29% at December 31, 2020), payable at maturity, due 2027 | $ | 70,000 |  |  | $ | 66,094 |
Note payable, variable rate (2.89% at December 31, 2020) payable at maturity, due 2024 | 56,600 |  |  | — |
Non-recourse financing obligations, 3.89% to 4.94%, payable at maturity, due 2021 through 2026 | 21,974 |  |  | 28,855 |
Finance lease obligations, due serially to 2023 | 2,825 |  |  | 655 |
Line of credit, variable rate, paid 2020 | — |  |  | 180,000 |
Industrial revenue bond, variable rate, paid 2020 | — |  |  | 49,500 |
Note payable, variable rate, paid 2020 | — |  |  | 15,465 |
| 151,399 |  |  | 340,569 |
Less: current maturities | 6,438 |  |  | 9,545 |
Less: unamortized prepaid debt issuance costs | 1,555 |  |  | 774 |
| $ | 143,406 |  |  | $ | 330,250 |

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