Quarterly report pursuant to Section 13 or 15(d)

Revenue - Summary of Disaggregation of Revenue, Transaction Fees (Detail)

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Revenue - Summary of Disaggregation of Revenue, Transaction Fees (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Disaggregation of Revenue [Line Items]        
Revenue $ 71,974 $ 55,142 $ 130,523 $ 108,850
Transaction Fees [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 16,242 8,294 21,568 15,639
Transaction Fees [Member] | Acquisition Fees [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 13,137 6,647 17,789 12,084
Transaction Fees [Member] | Brokerage Fees [Member]        
Disaggregation of Revenue [Line Items]        
Revenue $ 3,105 $ 1,647 $ 3,779 $ 3,555