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Additional Balance Sheet Detail and Supplemental Cash Flow Information | 6 Months Ended
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Jun. 30, 2020
Supplemental Cash Flow Information [Abstract] |
Cash Flow, Supplemental Disclosures [Text Block] | ADDITIONAL BALANCE SHEET DETAIL AND SUPPLEMENTAL CASH FLOW INFORMATION Accrued liabilities and other consist of the following:
In thousands | June 30, 2020 |  | December 31, 2019
Accrued salaries and wages | $ | 16,338 |  |  | $ | 20,047 |
Silvertip contingent consideration | — |  |  | 25,000 |
Deferred revenue (1) | 16,472 |  |  | 16,672 |
Income and mining taxes | 335 |  |  | 11,243 |
Accrued operating costs | 3,971 |  |  | 3,752 |
Unrealized losses on derivatives | 14,485 |  |  | 411 |
Taxes other than income and mining | 3,343 |  |  | 3,554 |
Accrued interest payable | 1,709 |  |  | 1,833 |
Operating lease liabilities | 11,804 |  |  | 13,104 |
Accrued liabilities and other | $ | 68,457 |  |  | $ | 95,616 |
(1) See Note 17 -- Commitments and Contingencies for additional details on deferred revenue liabilities The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the statement of financial position that total the same such amounts shown in the statement of cash flows in the three and six months ended June 30, 2020 and 2019:
In thousands |  |  |  |  | June 30, 2020 |  | June 30, 2019
Cash and cash equivalents |  |  |  |  | $ | 70,924 |  |  | $ | 37,907 |
Restricted cash equivalents |  |  |  |  | 1,384 |  |  | 1,368 |
Total cash, cash equivalents and restricted cash shown in the statement of cash flows |  |  |  |  | $ | 72,308 |  |  | $ | 39,275 |

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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 http://asc.fasb.org/topic&trid=2134446 + Details
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- References No definition available. + Details
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