Gain on Grant of Royalty (Details) oz in Thousands, $ in Thousands		1 Months Ended	3 Months Ended		4 Months Ended
	Apr. 01, 2028 t oz	Jun. 30, 2024 USD ($)	Mar. 31, 2025	Mar. 31, 2024 USD ($) installment	Mar. 31, 2024 USD ($) installment	Dec. 13, 2023 USD ($) installment
Gain on Grant of Royalty
Proceeds from grant of royalty interest				$ 7,000
Vista Australia | Subsidiaries | Wheaton | Mt Todd
Gain on Grant of Royalty
Consideration eligible to receive						$ 20,000
Number of instalments for consideration | installment						3
Number of instalments received for consideration | installment				2	2
Deferred gain on grant royalty				$ 10,000	$ 10,000
Gain on grant of royalty interest in mineral titles		$ 16,909
Proceeds from grant of royalty interest		$ 10,000			$ 10,000
Vista Australia | Subsidiaries | Wheaton | Mt Todd | Scenario, Plan [Member]
Gain on Grant of Royalty
Royalty rate			1.00%
Increase in royalty rate per annum	0.13%
Threshold limit of average daily processing rate per day | t	15,000
Reduction in royalty rate upon occurrence of events	33.33%
Royalty agreement deliverable benchmark, Commodity amount | oz	3,470
Vista Australia | Subsidiaries | Wheaton | Maximum | Mt Todd | Scenario, Plan [Member]
Gain on Grant of Royalty
Royalty rate	2.00%