Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid in Capital	Retained Earnings	Consolidated Funds Noncontrolling Interests	General Partnerships Noncontrolling Interests	Hamilton Lane Advisors, L.L.C. Noncontrolling Interests
Beginning balance at Mar. 31, 2022	$ 461,486	$ 37	$ 16	$ 161,676	$ 185,149	$ 0	$ 3,423	$ 111,185
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	53,960				33,484		308	20,168
Equity-based compensation	1,897			1,307				590
Dividends declared	(14,800)				(14,800)
Capital distribution to non-controlling interests, net	(99)						(99)
Member distributions	(14,121)							(14,121)
Employee Share Purchase Plan share issuance	485			334				151
Adjustment of redeemable non-controlling interest to redemption value	2,166				1,492			674
Equity reallocation between controlling and non-controlling interests	0			(188)				188
Ending balance at Jun. 30, 2022	490,974	37	16	163,129	205,325	0	3,632	118,835
Beginning balance at Mar. 31, 2023	574,192	39	15	171,567	243,823	19,169	3,877	135,702
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	51,344				30,998	1,212	1	19,133
Equity-based compensation	2,846			1,995				851
Repurchase of Class A shares for employee tax withholding	(108)			(76)				(32)
Dividends declared	(16,780)				(16,780)
Capital contributions from non-controlling interests, net	43,820					43,694	126
Member distributions	(14,165)							(14,165)
Employee Share Purchase Plan share issuance	551			386				165
Equity reallocation between controlling and non-controlling interests	0			2,801				(2,801)
Ending balance at Jun. 30, 2023	$ 641,700	$ 39	$ 15	$ 176,673	$ 258,041	$ 64,075	$ 4,004	$ 138,853