Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value Adjustments to Comprehensive income (Loss)

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2022		2021		2022		2021
Unrealized gain (loss) on equity securities	$	(62,810)	$	36,575	$	(49,066)	$	32,007
Realized gain (loss) on equity securities	—		—		—		769
Exchange agreement embedded derivative	—		664		—		664
Termination of gold zero cost collars	—		—		(3,139)		—
Fair value adjustments, net	$	(62,810)	$	37,239	$	(52,205)	$	33,440

Financial assets and liabilities measured at fair value on recurring basis

The following table presents the Company’s financial assets and liabilities measured at fair value on a recurring basis (at least annually) by level within the fair value hierarchy. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	Fair Value at June 30, 2022
In thousands	Total		Level 1		Level 2		Level 3
Assets:
Equity securities including warrants	$	99,084	$	98,878	$	206	$	—
Provisional metal sales contracts	7		—		7		—
Gold forwards	29,302		—		29,302		—
	$	128,393	$	98,878	$	29,515	$	—
Liabilities:
Provisional metal sales contracts	$	77	$	—	$	77	$	—

	Fair Value at December 31, 2021
In thousands	Total		Level 1		Level 2		Level 3
Assets:
Equity securities	$	132,197	$	132,197	$	—	$	—
Provisional metal sales contracts	86		—		86		—
	$	132,283	$	132,197	$	86	$	—
Liabilities:
Gold zero cost collars	$	1,212	$	—	$	1,212	$	—
Provisional metal sales contracts	162		—		162		—
	$	1,374	$	—	$	1,374	$	—

Changes in the fair value of the Company's Level 3 financial liabilities

	Three Months Ended June 30, 2022
In thousands	Balance at Beginning of the period		Initial valuation		Revaluation		Balance at the end of the period
Assets:
Royalties	$	11,200	$	—	$	—	$	11,200
Contingent consideration	$	1,150	$	—	$	—	$	1,150
	$	12,350	$	—	$	—	$	12,350

	Six Months Ended June 30, 2022
In thousands	Balance at Beginning of the period		Initial valuation		Revaluation		Balance at the end of the period
Assets:
Royalties	$	—	$	11,200	$	—	$	11,200
Contingent consideration	$	—	$	1,150	$	—	$	1,150
	$	—	$	12,350	$	—	$	12,350

Financial Assets and Liabilities not Measured at Fair Value

The fair value of financial assets and liabilities carried at book value in the financial statements at June 30, 2022 and December 31, 2021 is presented in the following table:

	June 30, 2022
In thousands	Book Value		Fair Value		Level 1		Level 2		Level 3
Assets:
Promissory note	$	4,780	$	4,654	$	—	$	4,654	$	—
Deferred cash consideration	$	7,458	$	7,223	$	—	$	7,223	$	—
Liabilities:
2029 Senior Notes(1)	$	368,742	$	243,710	$	—	$	243,710	$	—
Revolving Credit Facility(2)	$	115,000	$	115,000	$	—	$	115,000	$	—

(1) Net of unamortized debt issuance costs of $6.3 million

(2) Unamortized debt issuance costs of $3.3 million included in Other Non-Current Assets.

	December 31, 2021
In thousands	Book Value		Fair Value		Level 1		Level 2		Level 3
Liabilities:
2029 Senior Notes(1)	$	368,273	$	337,384	$	—	$	337,384	$	—
Revolving Credit Facility(2)	$	65,000	$	65,000	$	—	$	65,000	$	—

(1) Net of unamortized debt issuance costs of $6.7 million.

(2) Unamortized debt issuance costs of $2.4 million included in Other Non-Current Assets.