Description of Operations - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	May 31, 2019	May 14, 2019	May 08, 2019	Apr. 15, 2019
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