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v3.22.1

Description of Business and Basis of Presentation (Details) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 20, 2021 USD ($) vote $ / shares shares | Jun. 29, 2021 | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) | Jul. 19, 2021 $ / shares shares | Jun. 30, 2021
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Proceeds from initial public offering, net of underwriters' fees and issuance costs | $ |  |  | $ 366,805 | $ 0 | $ 0 |  |
Issuance costs | $ |  |  | $ (299) | $ (311) | $ (351) |  |
Common stock, shares authorized (in shares) |  |  | 3,000,000,000 | 0 |  |  |
Preferred stock, shares authorized (in shares) |  |  | 200,000,000 | 127,097,070 |  |  |
Shares issued upon conversion per share (in shares) | 1 |  |  |  |  |  |
Shares issued (in shares) |  |  | 230,325,000 | 0 |  |  |
Shares outstanding (in shares) |  |  | 230,325,000 | 0 |  |  |
Reverse stock split conversion ratio |  | 0.333 |  |  |  |  |
Title365 |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Interest acquired |  |  |  |  |  |  | 90.10%
IPO |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Capital stock reserved for future issuance (in shares) |  |  |  |  |  | 3,200,000,000 |
Class A Common Stock |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Par value (in dollars per share) | $ / shares |  |  | $ 0.00001 | $ 0.00001 |  |  |
Proceeds from initial public offering, net of underwriters' fees and issuance costs | $ | $ 366,700 |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  | 1,800,000,000 |  |  |  |
Shares issued in conversion of convertible preferred stock (in shares) | 146,872,568 |  |  |  |  |  |
Shares issued (in shares) | 214,132,175 |  | 217,691,000 |  |  |  |
Shares outstanding (in shares) | 214,132,175 |  | 217,691,000 |  |  |  |
Voting rights | vote | 1 |  |  |  |  |  |
Class A Common Stock | Founder And Head Of Blend |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Shares converted (in shares) | 12,883,331 |  |  |  |  |  |
Class A Common Stock | IPO |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Number of shares sold (in shares) | 22,468,111 |  |  |  |  |  |
Par value (in dollars per share) | $ / shares | $ 0.00001 |  |  |  |  | $ 0.00001 |
Share price (in dollars per share) | $ / shares | $ 18.00 |  |  |  |  |  |
Underwriting discounts and commissions expense | $ | $ (27,300) |  |  |  |  |  |
Issuance costs | $ | $ (10,400) |  |  |  |  |  |
Class B Common Stock |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Par value (in dollars per share) | $ / shares |  |  | $ 0.00001 | 0.00001 |  |  |
Common stock, shares authorized (in shares) |  |  | 600,000,000 |  |  |  |
Shares converted (in shares) | 1 |  |  |  |  |  |
Shares issued (in shares) | 12,883,331 |  | 12,633,000 |  |  |  |
Shares outstanding (in shares) | 12,883,331 |  | 12,633,000 |  |  |  |
Voting rights | vote | 40 |  |  |  |  |  |
Class C Common Stock |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Par value (in dollars per share) | $ / shares |  |  | $ 0.00001 | $ 0.00001 |  |  |
Common stock, shares authorized (in shares) |  |  | 600,000,000 |  |  |  |
Shares issued (in shares) |  |  | 0 |  |  |  |
Shares outstanding (in shares) |  |  | 0 |  |  |  |
Founders Convertible Preferred Stock |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Shares issued (in shares) | 0 |  |  |  |  |  |
Shares outstanding (in shares) | 0 |  |  |  |  |  |

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