Fair Value Measurement - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Mar. 31, 2026	Mar. 31, 2025
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	$ 710,232	$ 1,448,918
Level 1 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	710,632	1,499,587
Level 2 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	(400)	(50,669)
Level 3 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value
Carrying Value [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	710,232	1,448,918
Securities owned, at fair value [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	710,632	531,189
Securities owned, at fair value [Member] \| Level 1 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	710,632	531,189
Securities owned, at fair value [Member] \| Level 2 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value
Securities owned, at fair value [Member] \| Level 3 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value
Securities owned, at fair value [Member] \| Carrying Value [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	710,632	531,189
Foreign currency forward contracts [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	(400)	(50,669)
Foreign currency forward contracts [Member] \| Level 1 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value
Foreign currency forward contracts [Member] \| Level 2 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	(400)	(50,669)
Foreign currency forward contracts [Member] \| Level 3 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value
Foreign currency forward contracts [Member] \| Carrying Value [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value	$ (400)	(50,669)
US Treasury notes [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value		968,398
US Treasury notes [Member] \| Level 1 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value		968,398
US Treasury notes [Member] \| Level 2 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value
US Treasury notes [Member] \| Level 3 [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value
US Treasury notes [Member] \| Carrying Value [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis [Line Items]
Total assets at fair value		$ 968,398

TOP Financial Group Ltd 10-K