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Equity-Based Compensation - Assumptions Used in Applying Pricing Model (Details)
9 Months Ended
Sep. 30, 2021
Transaction Pool PSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 0.93%
Dividend yield 2.00%
Expected volatility 32.90%
Management PSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 0.77%
Dividend yield 2.00%
Expected volatility 32.41%