XML 59 R48.htm IDEA: XBRL DOCUMENT v3.21.2

Stockholders' Equity - Equity Offering (Details) - Public Offering $ / shares in Units, $ in Millions	1 Months Ended
	Feb. 28, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued and sold (in shares) | shares	10,974,600
Offering price per share (in dollars per share | $ / shares	$ 102.00
Proceeds from offering	$ 1,091.5
Underwriting discounts and commissions	26.9
Offering expenses	$ 1.1

X

- Definition

Sale Of Stock, Offering Expenses

+ References

No definition available.

+ Details

Name:	chgg_SaleOfStockOfferingExpenses
Namespace Prefix:	chgg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Sale Of Stock, Underwriting Discounts And Commissions

+ References

No definition available.

+ Details

Name:	chgg_SaleOfStockUnderwritingDiscountsAndCommissions
Namespace Prefix:	chgg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

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

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=chgg_PublicOfferingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: