Regulation - Schedule of National And Institutional Cohort Default Rates (Details)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Unusual or Infrequent Item, or Both [Line Items]
Universities Cohort Default Rates	0.00%	3.10%	11.20%
Capella University
Unusual or Infrequent Item, or Both [Line Items]
Universities Cohort Default Rates	0.00%	1.10%	5.20%
Strayer University
Unusual or Infrequent Item, or Both [Line Items]
Universities Cohort Default Rates	0.00%	2.20%	8.60%