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Significant Accounting Policies (Details) $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Sep. 25, 2019 shares | Sep. 25, 2019 USD ($) | Sep. 17, 2019 shares | Jun. 30, 2020 segment
Significant Accounting Policies |  |  |  |
Number of operating segments | segment |  |  |  | 4
Aggregate offering price |  | $ 69.1 |  |
Underwriting Discounts |  | 4.7 |  |
Offering cost |  | 1.6 |  |
Net proceeds |  | $ 62.8 |  |
IPO |  |  |  |
Significant Accounting Policies |  |  |  |
Shares sold | shares |  |  | 2,860,000 |
Underwriter |  |  |  |
Significant Accounting Policies |  |  |  |
Shares sold | shares | 429,000 |  |  |

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