Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in-capital	Accumulated Deficit
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	143			143
Net income (loss) attributable to P10	1,841				1,841
Balance at Mar. 31, 2020	38,025	$ 63	$ (273)	323,739	(285,504)
Balance (in shares) at Mar. 31, 2020		62,464	123
Balance at Dec. 31, 2019	36,041	$ 63	$ (273)	323,596	(287,345)
Balance (in shares) at Dec. 31, 2019		62,464	123
Net income (loss) attributable to P10	2,880
Balance at Sep. 30, 2020	39,443	$ 63	$ (273)	324,118	(284,465)
Balance (in shares) at Sep. 30, 2020		62,464	123
Balance at Mar. 31, 2020	38,025	$ 63	$ (273)	323,739	(285,504)
Balance (in shares) at Mar. 31, 2020		62,464	123
Stock-based compensation	187			187
Net income (loss) attributable to P10	1,127				1,127
Balance at Jun. 30, 2020	39,339	$ 63	$ (273)	323,926	(284,377)
Balance (in shares) at Jun. 30, 2020		62,464	123
Stock-based compensation	192			192
Net income (loss) attributable to P10	(88)				(88)
Balance at Sep. 30, 2020	39,443	$ 63	$ (273)	324,118	(284,465)
Balance (in shares) at Sep. 30, 2020		62,464	123
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	424			424
Net income (loss) attributable to P10	2,215				2,215
Balance at Mar. 31, 2021	62,480	$ 63	$ (273)	324,734	(262,044)
Balance (in shares) at Mar. 31, 2021		62,464	123
Balance at Dec. 31, 2020	59,841	$ 63	$ (273)	324,310	(264,259)
Balance (in shares) at Dec. 31, 2020		62,464	123
Net income (loss) attributable to P10	7,777
Balance at Sep. 30, 2021	69,070	$ 63	$ (273)	325,762	(256,482)
Balance (in shares) at Sep. 30, 2021		62,464	123
Balance at Mar. 31, 2021	62,480	$ 63	$ (273)	324,734	(262,044)
Balance (in shares) at Mar. 31, 2021		62,464	123
Stock-based compensation	567			567
Net income (loss) attributable to P10	1,978				1,978
Balance at Jun. 30, 2021	65,025	$ 63	$ (273)	325,301	(260,066)
Balance (in shares) at Jun. 30, 2021		62,464	123
Stock-based compensation	461			461
Net income (loss) attributable to P10	3,584				3,584
Balance at Sep. 30, 2021	$ 69,070	$ 63	$ (273)	$ 325,762	$ (256,482)
Balance (in shares) at Sep. 30, 2021		62,464	123