Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue
Total revenue	$ 31,523	$ 28,696	$ 58,293	$ 52,536
Cost of revenue
Total cost of revenue	8,218	8,355	16,029	16,153
Gross profit	23,305	20,341	42,264	36,383
Operating expenses:
Research and development	7,332	12,916	14,853	27,099
Sales and marketing	6,950	9,004	14,137	18,759
General and administrative	13,619	11,376	24,844	23,729
Restructuring	28	114	747	1,086
Total operating expenses	27,929	33,410	54,581	70,673
Loss from operations	(4,624)	(13,069)	(12,317)	(34,290)
Interest expense	0	(1,648)	0	(6,747)
Other income (expense), net	1,018	(4,452)	2,132	1,201
Loss before income taxes	(3,606)	(19,169)	(10,185)	(39,836)
Income tax expense	(41)	(30)	(71)	(72)
Loss from continuing operations	(3,647)	(19,199)	(10,256)	(39,908)
Net loss from discontinued operations (Note 16)	(2,998)	(222)	(5,801)	(176)
Net loss	(6,645)	(19,421)	(16,057)	(40,084)
Less: Net loss attributable to noncontrolling interest included in discontinued operations	0	14	182	9
Net loss attributable to Blend Labs, Inc.	(6,645)	(19,407)	(15,875)	(40,075)
Less: Accretion of redeemable noncontrolling interest to redemption value from discontinued operations	0	(1,527)	(1,254)	(2,988)
Less: Accretion of Series A redeemable convertible preferred stock to redemption value	(4,376)	(2,661)	(8,578)	(2,661)
Net loss attributable to Blend Labs, Inc. common stockholders, basic	(11,021)	(23,595)	(25,707)	(45,724)
Net loss attributable to Blend Labs, Inc. common stockholders, diluted	$ (11,021)	$ (23,595)	$ (25,707)	$ (45,724)
Net loss per share attributable to Blend Labs, Inc. common stockholders - basic and diluted:
Continuing operations, basic (in dollars per share)	$ (0.03)	$ (0.09)	$ (0.07)	$ (0.17)
Continuing operations, diluted (in dollars per share)	(0.03)	(0.09)	(0.07)	(0.17)
Discontinuing operations, basic (in dollars per share)	(0.01)	0.00	(0.03)	(0.01)
Discontinuing operations, diluted (in dollars per share)	$ (0.01)	$ 0.00	$ (0.03)	$ (0.01)
Weighted average shares used in calculating net loss per share:
Basic (in shares)	259,211	253,069	259,004	252,000
Diluted (in shares)	259,211	253,069	259,004	252,000
Comprehensive loss:
Net loss	$ (6,645)	$ (19,421)	$ (16,057)	$ (40,084)
Unrealized loss on marketable securities	(44)	(42)	(38)	(146)
Foreign currency translation (loss) gain	(7)	0	(50)	9
Comprehensive loss	(6,696)	(19,463)	(16,145)	(40,221)
Less: Comprehensive loss attributable to noncontrolling interest included in discontinued operations	0	14	182	9
Comprehensive loss attributable to Blend Labs, Inc.	(6,696)	(19,449)	(15,963)	(40,212)
Software platform
Revenue
Total revenue	29,391	26,475	53,651	48,211
Cost of revenue
Total cost of revenue	6,505	5,674	12,369	10,849
Professional services
Revenue
Total revenue	2,132	2,221	4,642	4,325
Cost of revenue
Total cost of revenue	$ 1,713	$ 2,681	$ 3,660	$ 5,304