Earnings Per Share - Schedule of Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Numerator for basic calculation-Net income attributable to P10	$ 29,206	$ 9,174	$ 23,086
Net income attributable to noncontrolling interest in P10 Intermediate	193	0	0
Numerator for earnings per share assuming dilution	$ 29,399	$ 9,174	$ 23,086
Denominator:
Denominator for basic calculation - Weighted-average shares	116,751	72,660	62,465
Weighted shares assumed upon conversion of partnership units	979	0	0
Weighted shares assumed upon exercise of stock options and vesting of RSUs	3,924	39,670	2,440
Denominator for earnings per share assuming dilution	121,655	112,332	64,905
Earnings per share - basic	$ 0.25	$ 0.13	$ 0.37
Earnings per share - diluted	$ 0.24	$ 0.08	$ 0.36