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Public Offering of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
May 11, 2018 | May 08, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019
Common stock, shares authorized |  |  | 100,000,000 |  | 100,000,000
Common stock, par value |  |  | $ 0.01 |  | $ 0.01
Shares of common stock sold |  |  | 38,900,875 |  | 39,589,755
Proceeds from issuance of common stock |  |  | $ 132,964 | $ 15,891 |
May 2018 Offering |  |  |  |  |
Shares of common stock sold |  | 3,000,000 |  |  |
Public offering price (in dollars per share) |  | $ 41.00 |  |  |
Proceeds from issuance of common stock | $ 132,707 |  |  |  |
May 2018 Offering | Underwriter |  |  |  |  |
Shares of common stock sold |  | 450,000 |  |  |
Number of days to underwriter to purchase additional common shares |  | 30 days |  |  |

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