Additional Balance Sheet Detail and Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2019

Supplemental Cash Flow Information [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities and other consist of the following:

In thousands	September 30, 2019		December 31, 2018
Accrued salaries and wages	$	19,554	$	22,229
Silvertip contingent consideration	49,817		25,000
Deferred revenue (1)	12,488		3,164
Income and mining taxes	7,518		16,474
Accrued operating costs	6,750		10,524
Taxes other than income and mining	3,657		3,639
Accrued interest payable	4,623		1,589
Operating lease liabilities	13,199		—
Accrued liabilities and other	$	117,606	$	82,619

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

he 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 for the three and nine months ended September 30, 2019 and 2018:

In thousands	September 30, 2019		September 30, 2018
Cash and cash equivalents	$	65,319	$	104,746
Restricted cash equivalents	2,362		12,534
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$	67,681	$	117,280