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Equity-based Compensation - Valuation Assumptions (Details) - $ / shares
Feb. 20, 2019
Feb. 21, 2018
Share-based Payment Arrangement [Abstract]    
Expected term (in years) 6 years 6 months 6 years 6 months
Volatility 24.21% 27.39%
Dividend yield 7.09% 7.21%
Risk-free rate 2.52% 2.75%
Grant date fair value (in dollars per share) $ 0.74 $ 0.76