v3.26.1
Earnings per Share - Schedule of Basic Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Class of Stock [Line Items]      
Net income attributable to HLI $ 249,180 $ 217,417 $ 140,858
Class A Common Stock      
Class of Stock [Line Items]      
Net income attributable to HLI $ 249,180 $ 217,417 $ 140,858
Weighted average shares (in shares) 41,605,636 39,922,212 37,858,177
Basic EPS of Class A common stock (in dollars per share) $ 5.99 $ 5.45 $ 3.72