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Summary of Significant Accounting Policies - At-the-Market Equity Offering (Details) shares in Millions, $ in Millions | 3 Months Ended
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May 01, 2021 USD ($) shares
Subsidiary or Equity Method Investee [Line Items] |
Gross proceeds from sale of common stock | $ 556.7
Fees paid to sales agent | $ 5.0
Common Stock |
Subsidiary or Equity Method Investee [Line Items] |
Number of shares sold (in shares) | shares | 3.5

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