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Public Offering of Common Stock - Public Offering (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019
Public Offering of Common Stock |  |  |
Shares of common stock sold | 38,900,875 |  | 39,589,755
Par value of common stock | $ 0.01 |  | $ 0.01
Net proceeds from issuance of common stock | $ 132,964 | $ 15,891 |
Offering expenses paid | $ 257 | $ 228 |

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