Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Sep. 30, 2020
Subsidiary or Equity Method Investee [Line Items]            
Long term deferred rent $ 700,000   $ 700,000   $ 700,000  
Short-term deferred rent 100,000   100,000   100,000  
Rent expense, office leases 1,000,000.0 $ 1,000,000.0 2,000,000.0 $ 2,000,000.0    
Lease incentive amortization 100,000 $ 100,000 200,000 $ 200,000    
Maturity of Investments     88,800,000   62,700,000  
Contingent repayment obligation or liability 2,300,000   2,300,000   $ 2,300,000  
Letter of Credit [Member]            
Subsidiary or Equity Method Investee [Line Items]            
Financing facility $ 36,000,000.0   36,000,000.0      
Line of Credit Facility, Maximum Amount Outstanding During Period     $ 9,000,000.0      
Self-insurance program           $ 3,000,000.0
Operating leases           $ 363,000