XML 387 R46.htm IDEA: XBRL DOCUMENT
v3.22.0.1

LEASES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Leases [Abstract] |
Lease, Cost | The components of the Company’s leases presented in the Consolidated Balance Sheets were as follows (in thousands):
|  | December 31,
|  | 2021 |  | 2020
Finance lease right-of-use assets, net (included in Mineral properties, plant and equipment, net) |  | $ | 114,882 |  |  | $ | 112,808 |
Operating lease right-of-use assets (included in Other non-current assets) |  |  | 7,530 |  |  |  | 9,362 |
Total lease right-of-use-assets |  | $ | 122,412 |  |  | $ | 122,170 |
Short-term finance lease liabilities (included in Finance lease liabilities) |  | $ | 12,439 |  |  | $ | 3,568 |
Short-term operating lease liabilities (included in Accrued liabilities and other) |  |  | 2,238 |  |  |  | 1,954 |
Long-term finance lease liabilities (included in Finance Lease liabilities) |  |  | 105,965 |  |  |  | 109,544 |
Long-term operating lease liabilities (included in Other non-current liabilities) |  |  | 5,525 |  |  |  | 7,530 |
Total lease liabilities |  | $ | 126,167 |  |  | $ | 122,596 |
The components of the Company’s leases presented in the Consolidated Statements of Operations for the years ended December 31 were as follows (in thousands):
|  | Years Ended December 31,
|  | 2021 |  | 2020 |  | 2019
Operating leases |  | $ | 2,986 |  |  | $ | 1,260 |  |  | $ | 521 |
Finance leases: |  |  |  |  |  |  |  |  |
Amortization of lease cost |  |  | 2,517 |  |  |  | 92 |  |  |  | 70 |
Interest expense on lease liabilities |  |  | 274 |  |  |  | 12 |  |  |  | 14 |
Variable and short-term leases |  |  | 10,661 |  |  |  | 3,615 |  |  |  | — |
Total |  | $ | 16,438 |  |  | $ | 4,979 |  |  | $ | 605 |
The components of the Company’s leases presented in the statements of cash flows for the years ended December 31 were as follows (in thousands):
|  | Years Ended December 31,
|  | 2021 |  | 2020 |  | 2019
Operating leases within cash flows from operating activities |  | $ | 2,986 |  |  | $ | 1,260 |  |  | $ | 521 |
Finance leases within cash flows from financing activities |  | $ | 10,441 |  |  | $ | 3,623 |  |  | $ | 554 |
The following is a schedule of weighted-average discount rates used to determine lease liabilities and remaining lease terms for the years ended December 31:
|  | Years Ended December 31,
|  | 2021 |  | 2020
Weighted-average remaining lease term - operating leases (in years) |  | 5.5 |  | 5.9
Weighted-average remaining lease term - finance leases (in years) |  | 19.1 |  | 20.7
Weighted-average discount rate - operating leases |  | 8.6 | % |  | 9.4 | %
Weighted-average discount rate - finance leases |  | 4.5 | % |  | 4.6 | %
Lessee, Operating Lease, Liability, Maturity | The following is a schedule of future minimum lease payments under noncancellable finance and operating leases as of December 31, 2021 (in thousands):
|  | Operating Leases |  | Finance Leases
2022 |  | $ | 2,950 |  |  | $ | 16,907 |
2023 |  |  | 1,520 |  |  |  | 8,532 |
2024 |  |  | 1,374 |  |  |  | 8,532 |
2025 |  |  | 1,218 |  |  |  | 8,532 |
2026 |  |  | 1,234 |  |  |  | 8,532 |
Thereafter |  |  | 1,548 |  |  |  | 122,023 |
Total minimum lease payments |  | $ | 9,844 |  |  | $ | 173,058 |
Less: amounts representing interest |  |  | 2,081 |  |  |  | 54,654 |
Present value of net minimum lease payments |  |  | 7,763 |  |  |  | 118,404 |
Less: current portion of lease liabilities |  |  | 2,238 |  |  |  | 12,439 |
Long-term lease liabilities |  | $ | 5,525 |  |  | $ | 105,965 |
Finance Lease, Liability, Fiscal Year Maturity | The following is a schedule of future minimum lease payments under noncancellable finance and operating leases as of December 31, 2021 (in thousands):
|  | Operating Leases |  | Finance Leases
2022 |  | $ | 2,950 |  |  | $ | 16,907 |
2023 |  |  | 1,520 |  |  |  | 8,532 |
2024 |  |  | 1,374 |  |  |  | 8,532 |
2025 |  |  | 1,218 |  |  |  | 8,532 |
2026 |  |  | 1,234 |  |  |  | 8,532 |
Thereafter |  |  | 1,548 |  |  |  | 122,023 |
Total minimum lease payments |  | $ | 9,844 |  |  | $ | 173,058 |
Less: amounts representing interest |  |  | 2,081 |  |  |  | 54,654 |
Present value of net minimum lease payments |  |  | 7,763 |  |  |  | 118,404 |
Less: current portion of lease liabilities |  |  | 2,238 |  |  |  | 12,439 |
Long-term lease liabilities |  | $ | 5,525 |  |  | $ | 105,965 |

X
- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration