Commitment and Contingencies (Tables)

6 Months Ended

Jun. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Summary of Contract Liability

The following table presents a roll forward of the Franco-Nevada contract liability balance:

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2023		2022		2023		2022
Opening Balance	$	7,296	$	7,835	$	7,411	$	8,150
Revenue Recognized	(100)		(93)		(215)		(408)
Closing Balance	$	7,196	$	7,742	$	7,196	$	7,742

The following table presents a roll forward of the prepayment contract liability balance:

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2023		2022		2023		2022
Opening Balance	$	15,127	$	25,155	$	25,016	$	15,016
Additions	44,885		311		44,996		10,450
Revenue Recognized	(15,000)		(454)		(25,000)		(454)
Closing Balance	$	45,012	$	25,012	$	45,012	$	25,012