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Description of Operations - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions | May 31, 2019 | May 14, 2019 | May 08, 2019 | Apr. 15, 2019
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Description Of Operations Disclosure [Line Items] |  |  |  |
Funds to dividend through public offering |  | $ 52.1 |  |
Repayment on term loan through public offering |  | $ 150.0 |  |
Common stock dividend ratio |  |  |  | 200.00%
Dividends payment, date |  |  |  | May 08, 2019
IPO | Common Stock |  |  |  |
Description Of Operations Disclosure [Line Items] |  |  |  |
Common stock shares sold |  |  | 18,518,500 |
Common stock sold per share |  |  | $ 27.00 |
Share price |  | $ 25.515 |  |
Proceeds from IPO |  | $ 536.9 |  |
Underwriters | Common Stock |  |  |  |
Description Of Operations Disclosure [Line Items] |  |  |  |
Purchase of additional shares upon exercise of options | 2,777,775 |  |  |
Underwriting discount per share |  | $ 1.485 |  |
Proceeds from IPO |  | $ 536.9 |  |

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