Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS - Summary of Investments Valued Using NAV Per Share (Detail)

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FAIR VALUE MEASUREMENTS - Summary of Investments Valued Using NAV Per Share (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 9,509 $ 8,035
Bridge Investment Group Holdings LLC | Measured at NAV    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 76,034 39,685
Unfunded Commitments 11,552 23,321
Bridge Investment Group Holdings LLC | Measured at NAV | Accrued performance allocations    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 559,160 439,548
Unfunded Commitments 0 0
Bridge Investment Group Holdings LLC | Measured at NAV | Company-sponsored open-end fund    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 27,198 15,474
Unfunded Commitments 150 0
Bridge Investment Group Holdings LLC | Measured at NAV | Company-sponsored closed-end funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 37,267 16,510
Unfunded Commitments 5,330 20,885
Bridge Investment Group Holdings LLC | Measured at NAV | Third-party closed-end funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 11,569 7,701
Unfunded Commitments $ 6,072 $ 2,436