v3.24.2.u1

Significant Accounting Policies (Details)				3 Months Ended			6 Months Ended
	Jun. 13, 2024	Jun. 05, 2024	May 20, 2024 $ / shares	Jun. 30, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) segment	Jun. 30, 2024 USD ($) segment $ / shares shares	Jun. 30, 2023 USD ($)	Jul. 25, 2024 USD ($)	Dec. 30, 2023 shares	Sep. 30, 2023	Jul. 01, 2023	Jan. 31, 2023 USD ($)	Jan. 11, 2023 USD ($)	Jan. 09, 2023 USD ($)	Apr. 30, 2020 USD ($)
Property and Equipment, Net
Net carrying amount				$ 908,298,000	$ 904,729,000		$ 908,298,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.001	$ 0.001	$ 0.001		$ 0.001
Stock split ratio, common stock	0.033	0.033
Authorized shares of common stock (in shares) | shares				200,000,000	200,000,000		200,000,000
Common stock, shares issued (in shares) | shares				2,805,301	2,741,980		2,805,301			82,260,619
Common stock, shares outstanding (in shares) | shares				2,805,301	2,741,980		2,805,301			82,260,619
Asset impairment charges				$ (396,149,000)		$ (134,117,000)	$ (396,149,000)	$ (134,117,000)
Impairment charges				$ 339,900,000	$ 62,800,000	16,700,000	$ 339,928,000
Impairment of indefinite lived intangibles						$ 117,400,000
Trade names
Property and Equipment, Net
Estimated average useful life												25 years
Maximum
Property and Equipment, Net
Stock split ratio, common stock			0.1
Maximum | University client relationships
Property and Equipment, Net
Estimated average useful life				10 years			10 years
Maximum | Capitalized technology
Property and Equipment, Net
Estimated average useful life				5 years			5 years
Maximum | Trade names and domain names
Property and Equipment, Net
Estimated average useful life				25 years			25 years
Maximum | Artistic-Related Intangible Assets
Property and Equipment, Net
Estimated average useful life				5 years			5 years
Minimum
Property and Equipment, Net
Stock split ratio, common stock			0.025
Minimum | University client relationships
Property and Equipment, Net
Estimated average useful life				9 years			9 years
Minimum | Capitalized technology
Property and Equipment, Net
Estimated average useful life				3 years			3 years
Minimum | Trade names and domain names
Property and Equipment, Net
Estimated average useful life				5 years			5 years
Minimum | Artistic-Related Intangible Assets
Property and Equipment, Net
Estimated average useful life				4 years			4 years
Alternative Credential Segment
Property and Equipment, Net
Asset impairment charges				$ (56,200,000)			$ (56,200,000)
Impairment of right of use assets				(5,200,000)			(5,200,000)
Impairment of fixed assets				(1,700,000)			(1,700,000)
Number of reporting units | segment						3
Alternative Credential Segment | University client relationships
Property and Equipment, Net
Impairment charges				(32,200,000)			(32,200,000)
Alternative Credential Segment | Capitalized technology
Property and Equipment, Net
Impairment charges				(10,300,000)			(10,300,000)
Alternative Credential Segment | Trade names and domain names
Property and Equipment, Net
Impairment charges				(4,400,000)			(4,400,000)
Alternative Credential Segment | Artistic-Related Intangible Assets
Property and Equipment, Net
Impairment charges				$ (2,400,000)			$ (2,400,000)
Degree Program Segment
Property and Equipment, Net
Number of reporting units | segment							1
Reporting unit carrying percentage				10.00%	10.00%		10.00%				10.00%
Convertible senior notes
Property and Equipment, Net
Net carrying amount				$ 527,000,000	$ 527,000,000		$ 527,000,000
Revolving Loan Facility | Line of Credit
Property and Equipment, Net
Principal															$ 40,000,000
Net carrying amount															$ 372,400,000
Second Amended Credit Agreement | Line of Credit
Property and Equipment, Net
Recurring revenues							900,000,000
Second Amended Credit Agreement | Line of Credit | Subsequent Event
Property and Equipment, Net
Net carrying amount									$ 414,300,000
2025 Notes | Convertible senior notes
Property and Equipment, Net
Principal				380,000,000	380,000,000		380,000,000									$ 380,000,000
Net carrying amount				378,243,000	377,193,000		378,243,000
2025 Notes | Convertible senior notes | Subsequent Event
Property and Equipment, Net
Net carrying amount									380,000,000
2030 Notes | Convertible senior notes
Property and Equipment, Net
Principal				147,000,000	147,000,000		147,000,000						$ 147,000,000	$ 147,000,000
Net carrying amount				$ 129,338,000	$ 127,864,000		$ 129,338,000
2030 Notes | Convertible senior notes | Subsequent Event
Property and Equipment, Net
Net carrying amount									$ 147,000,000

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No definition available.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
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-Name Accounting Standards Codification
-Section S99
-Paragraph 4
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