LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2020

LONG-TERM DEBT

Schedule of long-term debt

	As at		As at
	December 31,		December 31,
	2020		2019
Credit Facility(i)(ii)	$	(2,768)	$	(4,238)
2020 Notes(i)(iii)		198,505		—
2018 Notes(i)(iii)		348,145		347,974
2017 Notes(i)(iii)		298,454		298,238
2016 Notes(i)(iii)		348,790		348,527
2015 Note(i)(iii)		49,690		49,625
2012 Notes(i)(iii)		199,575		199,404
2010 Notes(i)(iii)		124,850		484,578
Total debt	$	1,565,241	$	1,724,108
Less: current portion		—		360,000
Total long-term debt	$	1,565,241	$	1,364,108

Notes:

(i) Inclusive of unamortized deferred financing costs.

(ii) There were no amounts outstanding under the Credit Facility (as defined below) as at December 31, 2020 and December 31, 2019. The December 31, 2020 and December 31, 2019 balances relate to deferred financing costs which are being amortized on a straight‑line basis until the maturity date of June 22, 2023.

(iii) The terms 2020 Notes, 2018 Notes, 2017 Notes, 2016 Notes, 2015 Note, 2012 Notes and 2010 Notes are defined below.

Schedule of Debt Principal Repayments

	2021		2022		2023			2024			2025			Thereafter			Total
2020 Notes	$	—	$	—	$	—		$	—		$	—		$	200,000		$	200,000
2018 Notes		—		—		—			—			—			350,000			350,000
2017 Notes		—		—		—			—			40,000			260,000			300,000
2016 Notes		—		—		100,000			—			—			250,000			350,000
2015 Note		—		—		—			—			50,000			—			50,000
2012 Notes		—		100,000		—			100,000			—			—			200,000
2010 Notes		—		125,000		—			—			—			—			125,000
Total	$	—	$	225,000	$	100,000	$		100,000	$		90,000	$		1,060,000	$		1,575,000

Schedule of finance costs

	Year Ended December 31,
	2020		2019
Interest on Notes	$	77,739	$	91,147
Stand-by fees on credit facilities		5,107		5,862
Amortization of credit facilities financing and note issuance costs		3,594		2,800
Interest on Credit Facility		5,304		1,270
Accretion expense on reclamation provisions		3,502		5,715
Interest on lease obligations, other interest and penalties		2,684		2,336
Interest capitalized to assets under construction		(2,796)		(4,048)
Total finance costs	$	95,134	$	105,082

2020 Notes

LONG-TERM DEBT

Schedule of long-term debt

	Principal		Interest Rate		Maturity Date
Series A	$	100,000	2.78	%	4/7/2030
Series B		100,000	2.88	%	4/7/2032
Total	$	200,000

2018 Notes

LONG-TERM DEBT

Schedule of long-term debt

	Principal		Interest Rate		Maturity Date
Series A	$	45,000	4.38	%	4/5/2028
Series B		55,000	4.48	%	4/5/2030
Series C		250,000	4.63	%	4/5/2033
Total	$	350,000

2017 Notes

LONG-TERM DEBT

Schedule of long-term debt

	Principal		Interest Rate		Maturity Date
Series A	$	40,000	4.42	%	6/29/2025
Series B		100,000	4.64	%	6/29/2027
Series C		150,000	4.74	%	6/29/2029
Series D		10,000	4.89	%	6/29/2032
Total	$	300,000

2016 Notes

LONG-TERM DEBT

Schedule of long-term debt

	Principal		Interest Rate		Maturity Date
Series A	$	100,000	4.54	%	6/30/2023
Series B		200,000	4.84	%	6/30/2026
Series C		50,000	4.94	%	6/30/2028
Total	$	350,000

2012 Notes

LONG-TERM DEBT

Schedule of long-term debt

	Principal		Interest Rate		Maturity Date
Series A	$	100,000	4.87	%	7/23/2022
Series B		100,000	5.02	%	7/23/2024
Total	$	200,000