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Business Combinations - Fair Value of Consideration Transferred (Details) $ / shares in Units, $ in Thousands | Aug. 01, 2018 USD ($) item $ / shares shares
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Business Acquisition, Equity Interests Issued or Issuable [Line Items] |
Number of independent universities | item | 2
Capella Merger |
Business Acquisition, Equity Interests Issued or Issuable [Line Items] |
Conversion ratio | 0.875
Total fair value of consideration transferred | $ 1,236,961
Capella Merger | Common Stock |
Business Acquisition, Equity Interests Issued or Issuable [Line Items] |
Fair value | $ 1,209,483
Number of common shares issued | shares | 10,263,775
Market price | $ / shares | $ 117.84
Capella Merger | Equity-based awards |
Business Acquisition, Equity Interests Issued or Issuable [Line Items] |
Fair value | $ 27,478

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