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Condensed Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Feb. 01, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020
Statement of Stockholders' Equity [Abstract] |  |  |  |
Offering transaction costs | $ 7,600 | $ 7,591 | $ 104 | $ 104

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