Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjustment	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Redeemable Convertible Series C Preferred Units	Redeemable Convertible Series C Preferred Units Cumulative Effect, Period of Adoption, Adjustment	Redeemable Convertible Series C Preferred Units Cumulative Effect, Period of Adoption, Adjusted Balance	Common Units	Common Units Cumulative Effect, Period of Adoption, Adjustment	Common Units Cumulative Effect, Period of Adoption, Adjusted Balance	Series A and B Preferred Units Preferred Stock	Series A and B Preferred Units Preferred Stock Cumulative Effect, Period of Adoption, Adjustment	Series A and B Preferred Units Preferred Stock Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance, redeemable convertible (in units) at Dec. 31, 2019													21,906,852	7,628,249	14,278,603	25,381,873	25,381,873	0
Beginning balance, redeemable convertible at Dec. 31, 2019													$ 304,943		$ 304,943	$ 7,524	$ (7,524)	$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
Fair value adjustment of redemption option													$ (47,537)
Ending balance, redeemable convertible (in units) at Mar. 31, 2020													14,278,603			0
Ending balance, redeemable convertible at Mar. 31, 2020													$ 257,406			$ 0
Beginning balance (in shares) at Dec. 31, 2019				0	37,631,052	37,631,052													29,058,266	29,058,266	0
Beginning balance at Dec. 31, 2019	$ (234,779)	$ 0	$ (234,779)	$ 0	$ 376	$ 376	$ 0	$ 7,626	$ 7,626	$ (242,781)	$ (242,781)								$ 478	$ (478)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Fair value adjustment of redemption option	47,537									47,537
Share-based compensation	487						487
Distribution to Open Lending, LLC unitholders	(135,380)									(135,380)
Net income (loss)	8,172									8,172
Ending balance (in shares) at Mar. 31, 2020				37,631,052															0
Ending balance at Mar. 31, 2020	(313,963)			$ 376			8,113			(322,452)									$ 0
Beginning balance, redeemable convertible (in units) at Dec. 31, 2019													21,906,852	7,628,249	14,278,603	25,381,873	25,381,873	0
Beginning balance, redeemable convertible at Dec. 31, 2019													$ 304,943		$ 304,943	$ 7,524	$ (7,524)	$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
Fair value adjustment of redemption option	(47,537)
Ending balance, redeemable convertible (in units) at Jun. 30, 2020													0			0
Ending balance, redeemable convertible at Jun. 30, 2020													$ 0			$ 0
Beginning balance (in shares) at Dec. 31, 2019				0	37,631,052	37,631,052													29,058,266	29,058,266	0
Beginning balance at Dec. 31, 2019	(234,779)	$ 0	$ (234,779)	$ 0	$ 376	$ 376	0	$ 7,626	$ 7,626	(242,781)	$ (242,781)								$ 478	$ (478)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(41,633)
Ending balance (in shares) at Jun. 30, 2020				91,849,909															0
Ending balance at Jun. 30, 2020	(464,251)			$ 918			(92,912)			(372,257)									$ 0
Beginning balance, redeemable convertible (in units) at Mar. 31, 2020													14,278,603			0
Beginning balance, redeemable convertible at Mar. 31, 2020													$ 257,406			$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
Recapitalization transaction, net of transaction costs (in units)													(14,278,603)
Recapitalization transaction, net of transaction costs													$ (257,406)
Ending balance, redeemable convertible (in units) at Jun. 30, 2020													0			0
Ending balance, redeemable convertible at Jun. 30, 2020													$ 0			$ 0
Beginning balance (in shares) at Mar. 31, 2020				37,631,052															0
Beginning balance at Mar. 31, 2020	(313,963)			$ 376			8,113			(322,452)									$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Recapitalization transaction, net of transaction costs (in shares)				54,218,857
Recapitalization transaction, net of transaction costs	242,543			$ 542			242,001
Deferred tax asset	1,874						1,874
Estimated fair value of contingent consideration at June 10, 2020	(347,089)						(347,089)
Share-based compensation	2,189						2,189
Net income (loss)	(49,805)									(49,805)
Ending balance (in shares) at Jun. 30, 2020				91,849,909															0
Ending balance at Jun. 30, 2020	(464,251)			$ 918			(92,912)			(372,257)									$ 0
Beginning balance (in shares) at Dec. 31, 2020				128,198,185
Beginning balance (in shares) at Dec. 31, 2020												1,395,089
Beginning balance at Dec. 31, 2020	26,622			$ 1,282			491,246			(428,406)		$ (37,500)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	701						701
Net income (loss)	12,862									12,862
Ending balance (in shares) at Mar. 31, 2021				128,198,185
Ending balance (in shares) at Mar. 31, 2021												1,395,089
Ending balance at Mar. 31, 2021	40,185			$ 1,282			491,947			(415,544)		$ (37,500)
Increase (Decrease) in Temporary Equity [Roll Forward]
Fair value adjustment of redemption option	0
Beginning balance (in shares) at Dec. 31, 2020				128,198,185
Beginning balance (in shares) at Dec. 31, 2020												1,395,089
Beginning balance at Dec. 31, 2020	26,622			$ 1,282			491,246			(428,406)		$ (37,500)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	88,828
Ending balance (in shares) at Jun. 30, 2021				128,198,185
Ending balance (in shares) at Jun. 30, 2021												2,007,834
Ending balance at Jun. 30, 2021	97,078			$ 1,282			492,874			(339,578)		$ (57,500)
Beginning balance (in shares) at Mar. 31, 2021				128,198,185
Beginning balance (in shares) at Mar. 31, 2021												1,395,089
Beginning balance at Mar. 31, 2021	40,185			$ 1,282			491,947			(415,544)		$ (37,500)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	927						927
Stock repurchase (in shares)												(612,745)
Share repurchase	(20,000)											$ (20,000)
Net income (loss)	75,966									75,966
Ending balance (in shares) at Jun. 30, 2021				128,198,185
Ending balance (in shares) at Jun. 30, 2021												2,007,834
Ending balance at Jun. 30, 2021	$ 97,078			$ 1,282			$ 492,874			$ (339,578)		$ (57,500)