Gold and Silver Stream Agreements (Tables)

6 Months Ended

Jun. 30, 2022

Gold and Silver Stream Agreements

Schedule of liabilities related to the deferred revenues

	As of		As of
	June 30,		December 31,
	2022		2021
	(in thousands)
Liability related to the Gold Stream Agreement	$	20,459	$	20,364
Liability related to the Silver Stream Agreement		22,528		22,196
Total liability	$	42,987	$	42,560