Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Schedule of Reconciliation of Bridge Investment Group Holding Inc. Common Stock (Detail)

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Shareholders' Equity - Schedule of Reconciliation of Bridge Investment Group Holding Inc. Common Stock (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] - shares
 9 Months Ended
Jul. 20, 2021
Sep. 30, 2021
Class of Stock [Line Items]    
Number of shares issued   100
IPO [Member]    
Class of Stock [Line Items]    
Number of shares issued 18,750,000  
Class A Common Stock [Member]    
Class of Stock [Line Items]    
Shares, Outstanding, Beginning Balance   0
Reorganization and Purchase of Shares in Partnerships   2,614,690,000
Shares, Outstanding, Ending Balance   22,780,968,000
Class A Common Stock [Member] | IPO [Member]    
Class of Stock [Line Items]    
Number of shares issued   20,166,278,000
Class B Common Stock [Member]    
Class of Stock [Line Items]    
Shares, Outstanding, Beginning Balance   0
Reorganization and Purchase of Shares in Partnerships   97,463,981,000
Shares, Outstanding, Ending Balance   86,672,703,000
Class B Common Stock [Member] | IPO [Member]    
Class of Stock [Line Items]    
Number of shares issued   10,791,278,000
Class A Restricted Stock [Member]    
Class of Stock [Line Items]    
Shares, Outstanding, Beginning Balance   0
Reorganization and Purchase of Shares in Partnerships   245,959,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross   2,153,204,000
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited   17,570,000
Shares, Outstanding, Ending Balance   2,381,593,000