Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.21.2
Commitments and Contingencies - Additional Information (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Subsidiary or Equity Method Investee [Line Items]          
Long term deferred rent $ 800,000   $ 800,000   $ 700,000
Short-term deferred rent 100,000   100,000   100,000
Rent expense, office leases 1,000,000.0 $ 1,000,000.0 3,000,000.0 $ 3,100,000  
Lease incentive amortization 100,000 100,000 200,000 200,000  
Maturity of Investments     117,500,000   $ 62,700,000
Contingent repayment obligation or liability 0   0    
Line of Credit Facility, Maximum Amount Outstanding During Period     5,100,000    
Letter of Credit [Member]          
Subsidiary or Equity Method Investee [Line Items]          
Financing facility $ 36,000,000.0   $ 36,000,000.0    
Self-insurance program   3,000,000.0   3,000,000.0  
Operating leases   $ 363,000   $ 363,000