Quarterly report pursuant to Section 13 or 15(d)

Insurance Loss Reserves and Loss and Loss Adjustment Expenses - Additional Information (Detail)

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Insurance Loss Reserves and Loss and Loss Adjustment Expenses - Additional Information (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - USD ($)
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Loss And Loss Adjustment Liability And Expenses [Line Items]      
Insurance loss reserves $ 5,400,000   $ 4,400,000
Lease Security Deposit Fulfillment [Member]      
Loss And Loss Adjustment Liability And Expenses [Line Items]      
Loss contingency, estimate of possible loss 500 $ 500  
Lessor Legal Liability [Member]      
Loss And Loss Adjustment Liability And Expenses [Line Items]      
Loss contingency, estimate of possible loss 100,000 100,000  
Workers' Compensation Insurance [Member]      
Loss And Loss Adjustment Liability And Expenses [Line Items]      
Loss contingency, estimate of possible loss   250,000  
Property Insurance [Member]      
Loss And Loss Adjustment Liability And Expenses [Line Items]      
Loss contingency, estimate of possible loss 2,000,000 2,000,000  
Loss contingency, estimate of possible loss , limits per unit 750,000 750,000  
General Liability [Member]      
Loss And Loss Adjustment Liability And Expenses [Line Items]      
General liability deductible reimbursement, excess amount 5,000,000 5,000,000  
General liability deductible reimbursement limits per unit 25,000 25,000  
General liability deductible reimbursement, annual policy amount $ 10,000,000 $ 10,000,000