Restructuring Charges - Schedule of Restructuring Charges by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Degree Program Segment
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 3,558	$ 4,107
Degree Program Segment \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	2,011	3,727
Degree Program Segment \| Severance and severance-related costs \| Leadership and organizational structure changes
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,140	0
Degree Program Segment \| Severance and severance-related costs \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	0	1,231
Degree Program Segment \| Lease and lease-related charges \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	2,011	2,143
Degree Program Segment \| Professional and other fees relating to restructuring activities \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	0	340
Degree Program Segment \| Other \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	0	13
Degree Program Segment \| Other restructuring charges \| Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	407	380
Alternative Credential Segment
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,169	768
Alternative Credential Segment \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	861	759
Alternative Credential Segment \| Severance and severance-related costs \| Leadership and organizational structure changes
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	308	0
Alternative Credential Segment \| Severance and severance-related costs \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	0	0
Alternative Credential Segment \| Lease and lease-related charges \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	742	759
Alternative Credential Segment \| Professional and other fees relating to restructuring activities \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	119	0
Alternative Credential Segment \| Other \| 2022 Strategic Realignment Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	0	0
Alternative Credential Segment \| Other restructuring charges \| Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 0	$ 9

2U, Inc. 10-Q