XML 89 R72.htm IDEA: XBRL DOCUMENT v3.22.1

Preferred Stock and Convertible Preferred Stock (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	200,000,000	127,097,070
Shares issued (in shares)	0	121,352,684
Shares outstanding (in shares)	0	121,352,684
Net carrying value	$ 0	$ 0
Aggregate liquidation preference		$ 387,841,000
Series A
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		15,483,330
Shares issued (in shares)		15,483,318
Shares outstanding (in shares)		15,483,318
Net carrying value		$ 6,081,000
Aggregate liquidation preference		$ 6,107,000
Series B
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		12,180,448
Shares issued (in shares)		12,180,443
Shares outstanding (in shares)		12,180,443
Net carrying value		$ 10,642,000
Aggregate liquidation preference		$ 10,975,000
Series B-1
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		8,382,809
Shares issued (in shares)		8,382,807
Shares outstanding (in shares)		8,382,807
Net carrying value		$ 9,927,000
Aggregate liquidation preference		$ 10,000,000
Series C
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		15,583,719
Shares issued (in shares)		15,583,713
Shares outstanding (in shares)		15,583,713
Net carrying value		$ 37,923,000
Aggregate liquidation preference		$ 38,000,000
Series D
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		33,334,113
Shares issued (in shares)		31,643,142
Shares outstanding (in shares)		31,643,142
Net carrying value		$ 111,302,000
Aggregate liquidation preference		$ 112,732,000
Series D-1
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		4,317,726
Shares issued (in shares)		548,032
Shares outstanding (in shares)		548,032
Net carrying value		$ 2,158,000
Aggregate liquidation preference		$ 2,158,000
Series E
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		27,624,259
Shares issued (in shares)		27,624,249
Shares outstanding (in shares)		27,624,249
Net carrying value		$ 130,945,000
Aggregate liquidation preference		$ 131,311,000
Series F
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		10,190,666
Shares issued (in shares)		9,906,980
Shares outstanding (in shares)		9,906,980
Net carrying value		$ 76,247,000
Aggregate liquidation preference		$ 76,558,000
Founders Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		1,026,008
Shares issued (in shares)		1,026,000
Shares outstanding (in shares)		1,026,000
Net carrying value		$ 385,225,000
Aggregate liquidation preference		$ 0

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(d))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

+ Details

Name:	us-gaap_PreferredStockLiquidationPreferenceValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_PreferredStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

+ Details

Name:	us-gaap_PreferredStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_PreferredStockSharesOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

+ Details

Name:	us-gaap_PreferredStockValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=blnd_SeriesB1PreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesDPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=blnd_SeriesD1PreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesEPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesFPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=blnd_FoundersPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: