Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Changes in carrying amount
Balance, beginning of period	$ 732,075,000	$ 732,540,000
Additions	546,053,000	0
Impairments	0	0
Currency translation adjustments	40,398,000	0
Adjustments to prior acquisitions	0	(465,000)
Balance, end of period	1,318,526,000	732,075,000
Strayer University
Changes in carrying amount
Balance, beginning of period	337,381,000	337,381,000
Additions	0	0
Impairments	0	0
Currency translation adjustments	0	0
Adjustments to prior acquisitions	0	0
Balance, end of period	337,381,000	337,381,000
Capella University
Changes in carrying amount
Balance, beginning of period	394,694,000	395,159,000
Additions	0	0
Impairments	0	0
Currency translation adjustments	0	0
Adjustments to prior acquisitions	0	(465,000)
Balance, end of period	394,694,000	394,694,000
Australia/New Zealand
Changes in carrying amount
Balance, beginning of period	0	0
Additions	546,053,000	0
Impairments	0	0
Currency translation adjustments	40,398,000	0
Adjustments to prior acquisitions	0	0
Balance, end of period	$ 586,451,000	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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