v3.22.2.2
Cover
Dec. 05, 2022
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Dec. 05, 2022
Entity File Number 001-39884
Entity Registrant Name Hamilton Lane Alliance Holdings I, Inc.
Entity Central Index Key 0001826814
Entity Tax Identification Number 85-4629508
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1 Presidential Blvd
Entity Address, Address Line Two Floor 4
Entity Address, City or Town Bala Cynwyd
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19428
City Area Code 610
Local Phone Number 934-2222
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-third of one redeemable warrant [Member]  
Document Information [Line Items]  
Title of 12(b) Security Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-third of one redeemable warrant
Trading Symbol HLAHU
Security Exchange Name NASDAQ
Common Class A [Member]  
Document Information [Line Items]  
Title of 12(b) Security Shares of Class A common stock included as part of the units
Trading Symbol HLAH
Security Exchange Name NASDAQ
Redeemable warrants included as part of the units, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 [Member]  
Document Information [Line Items]  
Title of 12(b) Security Redeemable warrants included as part of the units, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50
Trading Symbol HLAHW
Security Exchange Name NASDAQ