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Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Assets [Abstract] |
Schedule of Other Current Assets | Other Current Assets consist of the following at December 31:
(in thousands) |  | 2020 |  |  | 2019 |
Real estate held for sale |  | $ | 8,818 |  |  | $ | 10,974 |
Prepaid expenses |  |  | 4,032 |  |  |  | 3,097 |
Tax receivables |  |  | — |  |  |  | 1,341 |
Other |  |  | 3,286 |  |  |  | 4,771 |
Total other current assets |  | $ | 16,136 |  |  | $ | 20,183 |
Schedule of Other Long-term Assets | Other Long-Term Assets consist of the following at December 31:
(in thousands) |  | 2020 |  |  | 2019 |
Interest rate swaps |  | $ | 18,466 |  |  | $ | 1,601 |
Operating leases |  |  | 11,081 |  |  |  | 15,772 |
Mineral rights |  |  | 4,825 |  |  |  | 5,254 |
Investment in company owned life insurance (COLI), net |  |  | 3,328 |  |  |  | 4,157 |
Real estate development costs |  |  | 3,748 |  |  |  | 3,776 |
Debt issuance costs |  |  | 1,288 |  |  |  | 1,846 |
Restricted cash |  |  | — |  |  |  | 944 |
Other |  |  | 3,981 |  |  |  | 1,940 |
Total other long-term assets |  | $ | 46,717 |  |  | $ | 35,290 |

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