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

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Information [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities and other consist of the following:



In thousands	December 31, 2019		December 31, 2018
Accrued salaries and wages	$	20,047	$	22,229
Silvertip contingent consideration	25,000		25,000
Deferred revenue ⁽¹⁾	16,672		3,164
Income and mining taxes	11,243		16,474
Accrued operating costs	4,163		10,524
Taxes other than income and mining	3,554		3,639
Accrued interest payable	1,833		1,589
Operating lease liabilities	13,104		—
Accrued liabilities and other	$	95,616	$	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 years ended December 31, 2019 and 2018:



In thousands	December 31, 2019		December 31, 2018
Cash and cash equivalents	$	55,645	$	115,081
Restricted cash equivalents	1,373		2,988
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$	57,018	$	118,069

The following table presents non-cash financing and investing activities and other cash flow information:



	Year ended December 31,
Non-cash financing and investing activities:	2019		2018		2017
Finance lease obligations	$	16,615	$	45,813	$	34,604
Non-cash extinguishment of senior notes	20,009		—		—
Non-cash acquisitions and related deferred taxes	—		110,273		131,833
Non-cash Permit contingent consideration	5,973		—		—
Other cash flow information:
Interest paid	24,428		22,916		21,943
Income taxes paid	33,700		50,400		13,000