Fair Value of Litecoin - Changes in Quantity of LTC and Respective Fair Value (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2025 USD ($) Litecoin	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($) Litecoin	Jun. 30, 2024 USD ($) Litecoin	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($) Litecoin	Jun. 30, 2025 USD ($) Litecoin	Jun. 30, 2024 USD ($) Litecoin	Jun. 30, 2023 USD ($) Litecoin
Fair Value Disclosures [Abstract]
Investment Owned, Balance				1,794,013.32656083				1,505,668.18819118	1,794,013.32656083	1,505,668.18819118	1,543,785.68163914
LTC contributed									274,057.77826677	327,131.54011692	0
LTC distributed for Sponsor's Fee, related party									(49,165.31241813)	(38,786.40174727)	(38,117.49344796)
Net change in unrealized appreciation (depreciation) on investment in LTC											0
Net change in unrealized appreciation (depreciation) on investment in LTC | Litecoin									0	0
Net realized gain on investment in LTC									0	0	0
Investment Owned, Balance	2,018,905.79240947				1,794,013.32656083				2,018,905.79240947	1,794,013.32656083	1,505,668.18819118
Investment Owned, at Fair Value | $				$ 133,833				$ 158,667	$ 133,833	$ 158,667	$ 79,397
LTC contributed | $									22,624	27,463	0
LTC distributed for Sponsor's Fee, related party | $									(4,345)	(2,989)	(2,816)
Net change in unrealized appreciation (depreciation) on investment in LTC | $	$ 7,743	$ (40,124)	$ 69,217	(12,977)	$ (49,105)	$ 47,940	$ 11,049	(58,570)	23,859	(48,686)	82,832
Net realized gain (loss) on investment in LTC | $	(44)	$ 236	$ (9)	$ (287)	(101)	$ (154)	$ (224)	$ (143)	(104)	(622)	(746)
Investment Owned, at Fair Value | $	$ 175,867				$ 133,833				$ 175,867	$ 133,833	$ 158,667