Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands		Total	Non-Controlling Interests in Subsidiaries	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Noncontrolling Interest Non-Controlling Interests in Subsidiaries	Noncontrolling Interest Non-Controlling Interests in Legacy Greenspring Entities	Noncontrolling Interest Non-Controlling Interests in the Partnership
Total stockholders' equity, beginning balance at Mar. 31, 2023		$ 1,628,787		$ 63	$ 46	$ 610,567	$ 160,430	$ 461	$ 36,380	$ 152,658	$ 668,182
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		102,695					47,494		19,245	(6,832)	42,788
Other comprehensive loss		(445)						(132)	(210)		(103)
Contributed capital		4,613							0	4,585	28
Equity-based compensation		9,322				5,075			296		3,951
Distributions		(65,016)							(23,972)	(6,156)	(34,888)
Dividends declared		(42,684)					(42,684)
Exchange of Class B and Class C units for Class A common stock and redemption of corresponding Class B common stock		0		1		(1)
Settlement of non-controlling interests related to awards of carried interest allocations		0
Vesting of Class B2 units and issuance of corresponding Class B common stock at par value		(613)				(345)					(268)
Purchase of non-controlling interests			$ 0
Sale of non-controlling interests		3,045				851			1,553		641
Equity reallocation between controlling and non-controlling interests		0				14,123		9	(2,898)		(11,234)
Deferred tax effect resulting from transactions affecting ownership in the Partnership, net of amounts payable under Tax Receivable Agreements	[1]	(1,293)				(1,293)
Total stockholders' equity, ending balance at Sep. 30, 2023		1,638,411		64	46	628,977	165,240	338	30,394	144,255	669,097
Total stockholders' equity, beginning balance at Jun. 30, 2023		1,628,543		63	46	612,799	152,612	439	37,678	151,916	672,990
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		54,802					26,225		9,615	(3,966)	22,928
Other comprehensive loss		(367)						(110)	(171)		(86)
Contributed capital		2,007								2,007	0
Equity-based compensation		4,709				2,564			149		1,996
Distributions		(38,849)							(15,532)	(5,702)	(17,615)
Dividends declared		(13,597)					(13,597)
Exchange of Class B and Class C units for Class A common stock and redemption of corresponding Class B common stock		0		1		(1)
Vesting of Class B2 units and issuance of corresponding Class B common stock at par value		(613)				(345)					(268)
Purchase of non-controlling interests			0
Sale of non-controlling interests		3,045				851			1,553		641
Equity reallocation between controlling and non-controlling interests		0				14,378		9	(2,898)		(11,489)
Deferred tax effect resulting from transactions affecting ownership in the Partnership, net of amounts payable under Tax Receivable Agreements	[1]	(1,269)				(1,269)
Total stockholders' equity, ending balance at Sep. 30, 2023		1,638,411		64	46	628,977	165,240	338	30,394	144,255	669,097
Total stockholders' equity, beginning balance at Mar. 31, 2024		1,654,591		66	45	310,293	13,768	304	974,559	147,042	208,514
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		88,318					30,960		35,740	(5,286)	26,904
Other comprehensive loss		(207)						(68)	(95)		(44)
Contributed capital		18,746								18,746
Equity-based compensation		11,008				6,113			408		4,487
Distributions		(88,073)							(31,148)	(9,650)	(47,275)
Dividends declared		(40,736)					(40,736)
Vesting of RSUs, net of shares withheld for employee taxes		(1,123)		1		(673)					(451)
Class A common stock issued under ESPP		1,115				684					431
Exchange of Class B and Class C units for Class A common stock and redemption of corresponding Class B common stock		(5)		6	(5)	(6)
Settlement of non-controlling interests related to awards of carried interest allocations		54,977							54,977
Redemption of redeemable non-controlling interests in subsidiaries		97,383				55,879					41,504
Vesting of Class B2 units and issuance of corresponding Class B common stock at par value		3			3
Purchase of non-controlling interests		(5,398)	(110,351)			(3,149)					(2,249)
Equity reallocation between controlling and non-controlling interests						26,096			(12,666)		(13,430)
Deferred tax effect resulting from transactions affecting ownership in the Partnership, net of amounts payable under Tax Receivable Agreements	[2]	(2,122)				(2,122)
Total stockholders' equity, ending balance at Sep. 30, 2024		1,788,477		73	43	393,115	3,992	236	1,021,775	150,852	218,391
Total stockholders' equity, beginning balance at Jun. 30, 2024		1,790,983		68	46	363,529	2,995	297	1,027,558	147,536	248,954
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		46,306					17,632		19,125	(4,031)	13,580
Other comprehensive loss		(185)						(61)	(85)		(39)
Contributed capital		11,614								11,614
Equity-based compensation		5,329				2,992			204		2,133
Distributions		(52,576)							(23,281)	(4,267)	(25,028)
Dividends declared		(16,635)					(16,635)
Vesting of RSUs, net of shares withheld for employee taxes		(1,123)		1		(673)					(451)
Class A common stock issued under ESPP		1,115				684					431
Exchange of Class B and Class C units for Class A common stock and redemption of corresponding Class B common stock		(3)		4	(3)	(4)
Settlement of non-controlling interests related to awards of carried interest allocations		(602)							(602)
Purchase of non-controlling interests			$ 0
Equity reallocation between controlling and non-controlling interests						22,333			(1,144)		(21,189)
Deferred tax effect resulting from transactions affecting ownership in the Partnership, net of amounts payable under Tax Receivable Agreements	[2]	4,254				4,254
Total stockholders' equity, ending balance at Sep. 30, 2024		$ 1,788,477		$ 73	$ 43	$ 393,115	$ 3,992	$ 236	$ 1,021,775	$ 150,852	$ 218,391

[1] See notes 10 and 13 for more information.

[2] See notes 10 and 13 for more information.