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Earnings Per Share - Additional Information (Details) - shares
12 Months Ended
Dec. 08, 2017
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Shares held back in merger to secure indemnification (as a percent) 10.00% 10.00% 10.00% 10.00%
Period shares will be held back 24 months      
Issued on first anniversary (as a percent) 50.00%      
Issued on second anniversary (as a percent) 50.00%      
APC        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Antidilutive securities (in shares)   12,323,164 17,290,317 1,682,110