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Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2018
Feb. 11, 2018
Numerator:    
Net income (loss) $ 3,753  
Denominator:    
Weighted average Class A Shares Outstanding - basic 26,450  
Effect of dilutive shares 198  
Weighted average Class A Shares Outstanding - diluted 26,648  
Earnings per Class A Share - basic $ 0.14  
Earnings per Class A Share - diluted $ 0.14  
Class A Common Stock    
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Common Stock, Shares, Outstanding 26,450,000 0
Denominator:    
Weighted average Class A Shares Outstanding - diluted 26,648,000  
Earnings per Class A Share - basic $ 0.14  
Earnings per Class A Share - diluted $ 0.14  
Class B Common Stock    
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Common Stock, Shares, Outstanding 48,440,000 0
Denominator:    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 48,439,772