Net Income (Loss) Attributable To Porch Per Share - Computation of Basic and Diluted Net Income (Loss) Attributable per Share to Common Stockholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net income (loss) attributable to Porch used to compute net income (loss) attributable to Porch per share - basic	$ 2,579	$ (64,323)	$ 10,974	$ (77,685)
Effect of interest expense on dilutive 2028 Notes	10,739	0	0	0
Effect of change in fair value of derivatives related to dilutive 2028 Notes	(12,853)	0	0	0
Net income (loss) attributable to Porch used to compute net income (loss) attributable to Porch per share - diluted	$ 465	$ (64,323)	$ 10,974	$ (77,685)
Denominator:
Weighted average shares outstanding used to compute net income (loss) attributable to Porch per share - basic (in shares)	103,160	99,193	102,435	98,353
Weighted average shares outstanding used to compute net income (loss) attributable to Porch per share - diluted (in shares)	131,679	99,193	114,741	98,353
Net income (loss) attributable to Porch per share - basic (in usd per share)	$ 0.03	$ (0.65)	$ 0.11	$ (0.79)
Net income (loss) attributable to Porch per share - diluted (in usd per share)	$ 0	$ (0.65)	$ 0.10	$ (0.79)
Stock options
Denominator:
Effect of dilutive securities (in shares)	1,952	0	1,733	0
RSUs
Denominator:
Effect of dilutive securities (in shares)	5,554	0	4,882	0
PRSUs
Denominator:
Effect of dilutive securities (in shares)	7,681	0	5,691	0
2028 Notes
Denominator:
Effect of dilutive securities 2028 Notes (in shares)	13,332	0	0	0