Additional Balance Sheet Detail and Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2021

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	September 30, 2021		December 31, 2020
Accrued salaries and wages	$	28,788	$	30,457
Deferred revenue (1)	8,673		16,425
Income and mining taxes	14,078		26,118
Accrued operating costs	8,468		3,327
Unrealized losses on derivatives	255		24,950
Taxes other than income and mining	3,053		3,616
Accrued interest payable	3,273		1,855
Operating lease liabilities	11,202		12,410
Accrued liabilities and other	$	77,790	$	119,158

(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 nine months ended September 30, 2021 and 2020:

In thousands	September 30, 2021		September 30, 2020
Cash and cash equivalents	$	85,020	$	77,148
Restricted cash equivalents	1,771		1,380
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$	86,791	$	78,528