Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

The following table provides a reconciliation of cash, cash equivalents and restricted cash and cash equivalents with the Company's consolidated balance sheet that sum to the total of the same such amounts shown in the consolidated statements of cash flows:

(Thousands of U.S. Dollars)	Year Ended December 31,
	2019		2018		2017
Cash and cash equivalents	$	8,301	$	51,040	$	12,326
Restricted cash and cash equivalents - current	516		1,269		11,787
Restricted cash and cash equivalents - long-term(1)	2,258		1,999		2,565
	$	11,075	$	54,308	$	26,678

⁽¹⁾ The long-term portion of restricted cash is included in other long-term assets on the Company's balance sheet.

Net changes in assets and liabilities from operating activities were as follows:

	Year Ended December 31,
	2019			2018			2017
Accounts receivable and other long-term assets	$	(5,680	)	$	17,674		$	(2,494	)
Derivatives	(638		)	1,017			—
Inventory	(3,179		)	(2,127		)	(78		)
Other prepaids	583			547			2,674
Accounts payable and accrued and other long-term liabilities	(1,367		)	9,034			15,617
Prepaid tax and taxes receivable and payable	(83,593		)	(47,566		)	(44,936		)
Net changes in assets and liabilities from operating activities	$	(93,874	)	$	(21,421	)	$	(29,217	)

The following table provides additional supplemental cash flow disclosures:

	Year Ended December 31,
	2019		2018		2017
Cash paid for income taxes	$	49,196	$	46,277	$	54,505
Cash paid for interest	$	37,767	$	16,038	$	9,684
Non-cash investing activities:
Net liabilities related to property, plant and equipment, end of year	$	77,353	$	85,204	$	76,352

The year ended December 31, 2017, included non-cash share consideration received in connection with the Company's disposition of its Peru Business unit.