Fair Value of XRP - Summary of changes in quantity of ETC and the respective fair value (Detail) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($) Xrp / Bitcoin	Jun. 30, 2025 USD ($) Xrp / Bitcoin	Jun. 30, 2026 USD ($) Xrp / Bitcoin	Jun. 30, 2025 USD ($) Xrp / Bitcoin
Fair Value Disclosures [Abstract]
Investment Owned, Beginning balance \| Xrp / Bitcoin			122,230,386.26097	4,976,071.513885
Bitcoin contributed \| Xrp / Bitcoin			36,272,724.963349	647,661.68855
Bitcoin redeemed \| Xrp / Bitcoin			(103,407,400.712419)
XRP distributed for Sponsor's Fee, related party \| Xrp / Bitcoin			(59,982.494915)	(66,212.854824)
Net change in unrealized appreciation/depreciation on investment in XRP \| Xrp / Bitcoin			0	0
Investment Owned Balance Contracts Realized investment gains losses sold to pay expenses \| Xrp / Bitcoin			0	0
Net realized loss on investment in XRP sold for redemption of Shares \| Xrp / Bitcoin			0
Investment Owned, Balance \| Xrp / Bitcoin	55,035,728.016985	5,557,520.347611	55,035,728.016985	5,557,520.347611
Investment Owned, at Fair Value \| $			$ 223,364	$ 10,450
XRP contributed \| $			66,577	1,682
XRP redeemed \| $			(180,780)
XRP distributed for Sponsor's Fee, related party \| $			(80)	(158)
Net change in unrealized appreciation/depreciation on investment in XRP \| $	$ (16,327)	$ 1,208	(17,468)	816
Net realized loss on investment in XRP sold to pay expenses \| $	(29)	47	(39)	103
Realized Investment Gains Losses Sold for Redemption of Shares \| $	(433)	0	(34,161)	0
Investment Owned, at Fair Value \| $	$ 57,413	$ 12,893	$ 57,413	$ 12,893

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