Merger with Capella Education Company - Valuation Methodology (Details) - Capella Merger $ in Thousands	Aug. 01, 2018 USD ($)
Business Acquisition [Line Items]
Property and equipment, net	$ 53,182
Amortization period	3 years
Relief from royalty approach
Business Acquisition [Line Items]
Property and equipment, net	$ 14,000
Cost approach
Business Acquisition [Line Items]
Property and equipment, net	$ 5,000

The amount of property, plant, and equipment recognized as of the acquisition date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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Balance Type:	debit
Period Type:	instant