Summary of Significant Accounting Policies (Details) ¥ in Millions				12 Months Ended
	Oct. 01, 2025	Mar. 31, 2025 USD ($)	Jan. 01, 2024	Mar. 31, 2026 USD ($) Segment	Mar. 31, 2025 USD ($)	Mar. 31, 2026 JOD (JD)	Mar. 31, 2026 CNY (¥)
Summary of Significant Accounting Policies [Line Items]
Non controlling interest		$ 52,781		$ 142,583	$ 52,781
Impairment of loss
Carrying amount of goodwill		499,282		499,282	499,282
Impairment of goodwill
Contract liabilities		487,004		$ 241,357	487,004
Revenue generating reportable geographic segment, number (in Segment) \| Segment				1
Total shipping and handling expenses				$ 2,783,046	$ 2,991,097
Corporate income tax				23.60%	655.50%
Local sales tax rate				0.00%
Uncertain tax provision		$ 175,290			$ 175,290
Federal deposit insurance corporation				$ 250,000
J&B [Member]
Summary of Significant Accounting Policies [Line Items]
Equity interest rate				51.00%		51.00%	51.00%
Corporate income tax			20.00%
Social contribution			1.00%
Customer Concentration Risk [Member] \| End-Customer One [Member] \| Revenue Benchmark [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage				52.00%	65.00%
Customer Concentration Risk [Member] \| End-Customer One [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage				29.00%	24.00%
Customer Concentration Risk [Member] \| End-Customer Two [Member] \| Revenue Benchmark [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage				14.00%	12.00%
Customer Concentration Risk [Member] \| End-Customer Two [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage		23.00%		26.00%
Customer Concentration Risk [Member] \| End-Customer Three [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage		16.00%		12.00%
Customer Concentration Risk [Member] \| End-Customer Four [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage		11.00%
Major Supplier One [Member] \| Supplier Concentration Risk [Member] \| Cost of Goods and Service Benchmark [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage				13.00%	10.00%
Major Supplier One [Member] \| Supplier Concentration Risk [Member] \| Accounts Payable [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage				21.00%	24.00%
Major Supplier Two [Member] \| Supplier Concentration Risk [Member] \| Accounts Payable [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage				18.00%	12.00%
Major Supplier Three [Member] \| Supplier Concentration Risk [Member] \| Accounts Payable [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage				12.00%	11.00%
Jordan [Member]
Summary of Significant Accounting Policies [Line Items]
Deposits		$ 4,883,906		$ 5,236,963	$ 4,883,906
Jordan [Member] \| Credit Risk [Member]
Summary of Significant Accounting Policies [Line Items]
Deposits				71,000
China [Member]
Summary of Significant Accounting Policies [Line Items]
Deposits		246,394		344,673	246,394
Cash maintained in banks				72,429			¥ 0.5
Hong Kong [Member]
Summary of Significant Accounting Policies [Line Items]
Deposits		9,871,227		6,826,388	9,871,227
United States [Member]
Summary of Significant Accounting Policies [Line Items]
Deposits		$ 48,274		$ 41,090	$ 48,274
Jerash Garments [Member]
Summary of Significant Accounting Policies [Line Items]
Corporate income tax	10.00%			20.00%
Social contribution	1.00%
Local sales tax rate				16.00%
Long-Term Contract with Customer [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred revenue				$ 241,357
Maximum [Member] \| Jordan [Member]
Summary of Significant Accounting Policies [Line Items]
Deposits \| JD						JD 50,000

Jerash Holdings (US), Inc. 10-K