Commitment and Contingencies (Tables)

9 Months Ended

Sep. 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 September 30,				Nine Months Ended September 30,
In thousands	2023		2022		2023		2022
Opening Balance	$	7,196	$	7,742	$	7,411	$	8,150
Revenue Recognized	(145)		(167)		(360)		(575)
Closing Balance	$	7,051	$	7,575	$	7,051	$	7,575

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

	Three Months Ended September 30,				Nine Months Ended September 30,
In thousands	2023		2022		2023		2022
Opening Balance	$	45,012	$	25,012	$	25,016	$	15,016
Additions	30,311		361		75,307		10,811
Revenue Recognized	(31,000)		(10,000)		(56,000)		(10,454)
Closing Balance	$	44,323	$	15,373	$	44,323	$	15,373