Deferred Offering Costs Reclassified to Stockholders Equity

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- Definition

Stock Issuance Costs Incurred But Not Yet Paid

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

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

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- Definition

Number of shares issued for each share of convertible preferred stock that is converted.

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- Definition

Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

+ References

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- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

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SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		6 Months Ended
	Jul. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Jul. 26, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Common stock issued (in shares)		$ 1			$ 1
Deferred offering costs		2,627			$ 0
Deferred offering costs incurred but not yet paid		$ 1,076	$ 0
Subsequent Event
Subsequent Event [Line Items]
Proceeds from Issuance of initial public offering	$ 455,523
Deferred Offering Costs Reclassified to Stockholders Equity	$ 4,000
Common Class A \| Subsequent Event \| 2021 Plan
Subsequent Event [Line Items]
Common stock reserved for future issuance (in shares)				7,832
Common Class A \| Subsequent Event \| Employee Stock Purchase Plan
Subsequent Event [Line Items]
Common stock reserved for future issuance (in shares)				1,119
Common Class A \| Subsequent Event \| IPO
Subsequent Event [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	5,872
Sale of stock, price per share (in usd per share)	$ 102.00
Common Class A \| Subsequent Event \| IPO \| Duolingo
Subsequent Event [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	4,466
Common Class A \| Subsequent Event \| IPO \| Stockholders
Subsequent Event [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	1,406
Common Class A \| Subsequent Event \| Over-Allotment Option
Subsequent Event [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	766
Common Class B \| Subsequent Event
Subsequent Event [Line Items]
Convertible preferred stock, shares issued upon conversion (in shares)	19,074
Common stock issued (in shares)	$ 182,609