Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in-capital	Accumulated Deficit	Common Class A [Member]	Common Class A [Member] Common Stock	Common Class A [Member] IPO [Member]	Common Class B [Member]	Common Class B [Member] Common Stock	Common Class B [Member] IPO [Member]	Common Stock Subject to Mandatory Redemption [Member] Common Class A [Member]	Common Stock Subject to Mandatory Redemption [Member] Common Class B [Member]
Balance at Dec. 31, 2018	$ 23,683	$ 63	$ (273)	$ 323,179	$ (299,286)
Balance (in shares) at Dec. 31, 2018		62,464	123
Stock-based compensation	417			417
Net income (loss) attributable to P10	11,941				11,941
Balance at Dec. 31, 2019	36,041	$ 63	$ (273)	323,596	(287,345)
Balance (in shares) at Dec. 31, 2019		62,464	123
Stock-based compensation	714			714
Net income (loss) attributable to P10	23,086				23,086
Balance at Dec. 31, 2020	59,841	$ 63	$ (273)	324,310	(264,259)
Balance (in shares) at Dec. 31, 2020		62,464	123
Stock-based compensation	2,416			2,416
Net income (loss) attributable to P10	9,174				9,174
Exchange of common stock and redeemable noncontrolling interest to Class B common stock (Amount)	197,719	$ (63)		197,676					$ 106
Exchange of common stock and redeemable noncontrolling interest to Class B common stock (Share)		(62,464)							105,655
Issuance of Class A common stock sold in IPO, net of underwriting discounts(share)						11,500
Issuance of Class A common stock sold in IPO, net of underwriting discounts(Amount)	129,375			129,364		$ 11
Exchange of Class B common stock for Class A common stock (Amount)						$ 11		$ 9	$ (11)		$ (9)	$ 3	$ (3)
Exchange of Class B common stock for Class A common stock (Share)						11,464		8,500	(11,464)		(8,500)	3,000	(3,000)
Deferred offering costs	(3,361)			3,361
Issuance of restricted stock awards (Share)									36
Balance at Dec. 31, 2021	$ 395,164		$ (273)	$ 650,405	$ (255,085)		$ 34			$ 83
Balance (in shares) at Dec. 31, 2021			123				34,464			82,727