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Basic and Diluted Net Loss Per Share - Computation of diluted net loss per antidilutive (Details) - $ / shares		12 Months Ended
	Sep. 16, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Sep. 15, 2021
Basic and Diluted Net Loss Per Share
Conversion price (per unit)	$ 37.74				$ 25
Potentially dilutive shares	11,261,261
Stock options
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount		4,822,992	6,414,611	7,428,682
Restricted stock units and awards
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount		2,712,762	2,581,902	495,633
Public warrants
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount		1,795,700	8,625,000
Earnout shares
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount		2,050,000	6,150,000
Legacy Porch warrants
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount				3,060,530
Convertible debt.
Basic and Diluted Net Loss Per Share
Antidilutive securities excluded from computation of earnings per share, amount		16,998,130		1,734,264