Basic and Diluted Net Loss Per Share - Computation of diluted net loss per antidilutive (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Stock options
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount	6,350,253	7,719,210	6,350,253	7,719,210
Restricted stock units and awards
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount	2,975,463	106,890	2,975,463	106,890
Legacy Porch warrants
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount		3,134,068		3,134,068
Public and private warrants
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount	3,125,154		3,125,154
Earnout shares
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount	4,099,999		4,099,999
Convertible debt
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount		1,034,760		1,034,760