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Convertible Debt (Details) - BFLY Operations Inc $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares
Debt Instrument [Line Items]
Gross proceeds	$ 50,000
Convertible debt
Debt Instrument [Line Items]
Gross proceeds	$ 50,000
Interest rate (in percent)	5.00%
Minimum percentage of approval by debt holders for redemption	50.00%
Maturity term (in years)	2 years
Numerator for obtaining price per share	$ 1,750,000
Conversion price per share | $ / shares	$ 10.27
Debt issuance costs	$ 1,500
Interest expense and amortization expense for the issuance costs	$ 1,000

X

- Definition

The minimum percentage of approval by debt holders for convertible debt redemption.

+ References

No definition available.

+ Details

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- Definition

The per share price at which the convertible preferred stock can be converted.

+ References

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+ Details

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X

- Definition

Amount of interest expense and amortization expense attributable to debt issuance costs.

+ References

No definition available.

+ Details

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- Definition

Numerator for obtaining price per share.

+ References

No definition available.

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X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- 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.

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X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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