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Equity-Based Compensation - Restricted Stock Unit Activity (Detail) - Restricted Stock Units [Member] - $ / shares
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unvested, Number of Shares/Units, Beginning balance 1,030,478 1,045,202
Granted, Number of Shares 366,652 587,239
Cancelled, Number of Shares (20,668) (198,740)
Vested, Number of Shares (192,282) (403,223)
Unvested, Number of Shares/Units, Ending balance 1,184,180 1,030,478
Unvested, Weighted Average Grant-Date Fair Value, Beginning balance $ 68.38 $ 54.89
Granted, Weighted Average Grant-Date Fair Value 79.36 76.32
Cancelled, Weighted Average Grant-Date Fair Value 65.79 57.21
Vested, Weighted Average Grant-Date Fair Value 57.59 50.48
Unvested, Weighted Average Grant-Date Fair Value, Ending balance $ 73.57 $ 68.38