Earnings Per Share - Schedule of Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net Income (Loss)	$ 1,406	$ (8,416)	$ 13,420	$ (6,048)
Net income attributable to noncontrolling interests in P10 Intermediate	(73)	(334)	546	169
Numerator for earnings/(loss) per share assuming dilution	$ 1,333	$ (8,750)	$ 13,966	$ (5,879)
Denominator:
Denominator for basic calculation - Weighted - average shares outstanding, basic attributable to P10	111,374	116,235	112,954	116,134
Weighted shares assumed upon exercise of partnership units	3,917	0	3,917	0
Weighted shares assumed upon exercise of stock options and vesting of restricted stock units	3,985	0	3,867	0
Denominator for earnings/(loss) per share assuming dilution	119,276	116,235	120,738	116,134
Earnings/(loss) per share - basic	$ 0.01	$ (0.07)	$ 0.12	$ (0.05)
Earnings/(loss) per share - diluted	0.01	(0.07)	0.12	(0.05)
Common Class A [Member]
Denominator:
Earnings/(loss) per share - basic	0.01	(0.07)	0.12	(0.05)
Earnings/(loss) per share - diluted	0.01	(0.07)	0.12	(0.05)
Common Class B [Member]
Denominator:
Earnings/(loss) per share - basic	0.01	(0.07)	0.12	(0.05)
Earnings/(loss) per share - diluted	$ 0.01	$ (0.07)	$ 0.12	$ (0.05)