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Description of Operations - Additional Information (Details) - USD ($)
12 Months Ended
May 31, 2019
May 14, 2019
May 08, 2019
Apr. 15, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 29, 2017
Description Of Operations Disclosure [Line Items]              
Proceeds from IPO         $ 536,879,000 $ 0 $ 0
Funds to dividend through public offering   $ 52,100,000          
Repayment on term loan through public offering   $ 150,000          
Common stock dividend ratio       200.00%      
Dividends declared date       Apr. 15, 2019      
Dividends payment, date       May 08, 2019      
Dividends record date       May 07, 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   $ 536,900,000          
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   $ 536,900,000