Description of the Business (Details) - item	6 Months Ended	12 Months Ended
Dec. 31, 2018	Jun. 30, 2019
Description of the Business
Number of lines of business	3	3

Number of lines of business of the reporting entity.

No definition available.

Name:	lrn_NumberOfLinesOfBusiness
Namespace Prefix:	lrn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration