Description of Organization and Business Operations (Details) - USD ($)		9 Months Ended
	Oct. 24, 2025	Sep. 30, 2025	Dec. 31, 2024
Description of Organization and Business Operations [Line Items]
Date of incorporation		Aug. 15, 2024
Transaction costs		$ 6,780,776
Cash underwriting fee		1,800,000
Deferred underwriting fee		4,350,000
Other offering costs		$ 630,776
Fair market value net balance percentage		80.00%
Public shares redeem rate		100.00%
Net tangible assets		$ 5,000,001
Interest to pay dissolution expenses		100,000
Cash		1,865,088	$ 6,082
Working capital deficit		$ 543,625	$ 266,763
Subsequent Event [Member]
Description of Organization and Business Operations [Line Items]
Maximum government treasury obligation maturity days	185 days
Public shares redeem rate	100.00%
Post-Business Combination [Member]
Description of Organization and Business Operations [Line Items]
Percentage of outstanding voting securities		50.00%
Class A Ordinary Shares [Member]
Description of Organization and Business Operations [Line Items]
Number of units issued		1,019,892
Ordinary shares, par value		$ 0.0001	$ 0.0001
Class A Ordinary Shares [Member] \| Subsequent Event [Member]
Description of Organization and Business Operations [Line Items]
Number of units issued	1,019,892
Purchase price, per unit	$ 0.0001
Ordinary shares, par value	0.0001
Sponsor [Member] \| Subsequent Event [Member]
Description of Organization and Business Operations [Line Items]
Purchase price, per unit	$ 10
Initial Public Offering [Member] \| Subsequent Event [Member]
Description of Organization and Business Operations [Line Items]
Number of units issued	14,500,000
Purchase price, per unit	$ 10
Gross proceeds of initial public offering	$ 145,000,000
Net Proceeds from sale of units	$ 145,000,000
Private Placement [Member]
Description of Organization and Business Operations [Line Items]
Purchase price, per unit		10
Private Placement [Member] \| Subsequent Event [Member]
Description of Organization and Business Operations [Line Items]
Number of units issued	339,964
Purchase price, per unit	$ 10
Goss proceeds of private placement	$ 3,399,640
Trust Account [Member]
Description of Organization and Business Operations [Line Items]
Price per share (in Dollars per share)		$ 10

Harvard Ave Acquisition Corp 10-Q