Changes in ounces of silver and their respective values for the three months ended March 31, 2025 and 2024 are set out below: (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) oz	Mar. 31, 2024 USD ($) oz
Accounting Policies [Abstract]
Opening balance | oz	48,939,346.4	44,584,861.0
Creations | oz	3,340,722.5	670,176.2
Redemptions | oz	(4,342,802.8)	(574,303.6)
Transfers of silver to pay expenses | oz	(36,241.0)	(33,513.2)
Closing balance | oz	47,901,025.1	44,647,220.4
Opening balance	$ 1,414,591	$ 1,060,674
Creations	102,489	15,523
Redemptions	(132,999)	(13,026)
Realized gain on silver distributed for the redemption of Shares	29,040	561
Transfers of silver to pay expenses	(1,101)	(776)
Realized gain on silver transferred to pay expenses	239	49
Change in unrealized gain on investment in silver	219,010	32,638
Closing balance	$ 1,631,269	$ 1,095,643