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SUPPLEMENTAL CASH FLOW INFORMATION | 12 Months Ended
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Dec. 31, 2022
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] |
SUPPLEMENTAL CASH FLOW INFORMATION | SUPPLEMENTAL CASH FLOW INFORMATION Supplemental cash flow information and non-cash investing and financing activities were as follows:
| For the year ended December 31,
(in thousands) | 2022 |  | 2021 |  | 2020
Supplemental cash flow information: |  |  |  |  |
Cash paid for interest | $ | 2,096 |  |  | $ | 1,204 |  |  | $ | 3,089 |
Cash payments related to income taxes, net | $ | 18,860 |  |  | $ | 4,172 |  |  | $ | 255 |
Supplemental non-cash investing and financing activities: |  |  |  |  |
Property, plant and equipment acquired with equipment notes | $ | — |  |  | $ | 9,407 |  |  | $ | 1,216 |
Property, plant and equipment purchased but not yet paid | $ | 34,569 |  |  | $ | 14,082 |  |  | $ | 4,054 |
SNR Mineral Rights Acquisition | $ | — |  |  | $ | — |  |  | $ | 324,125 |
Revenue recognized in exchange for debt principal reduction | $ | 13,566 |  |  | $ | 54,802 |  |  | $ | 21,312 |
Paycheck Protection Loan forgiveness | $ | — |  |  | $ | 3,401 |  |  | $ | — |
Decrease in estimates of asset retirement costs | $ | 10,395 |  |  | $ | 8,713 |  |  | $ | — |
Operating right-of-use assets obtained in exchange for lease liabilities | $ | 168 |  |  | $ | — |  |  | $ | 2,932 |
Finance right-of-use assets obtained in exchange for lease liabilities | $ | 42 |  |  | $ | 88 |  |  | $ | 724 |

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI https://asc.fasb.org/topic&trid=2134446 + Details
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