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) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Subsidiary or Equity Method Investee [Line Items]      
Short-term lease, cost $ 200    
Operating leases 15,642   $ 15,800
BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Subsidiary or Equity Method Investee [Line Items]      
Rent expense, office leases   $ 1,000  
Lease incentive amortization   $ 100  
Maturity of Investments 122,600   120,900
Contingent repayment obligation or liability 0   $ 0
Letter of Credit [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Subsidiary or Equity Method Investee [Line Items]      
Standby Letter of Credit 6,000    
Operating leases $ 362,000