Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.21.2
Subsequent Events - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Aug. 12, 2021
Aug. 06, 2021
Jul. 20, 2021
Jul. 06, 2021
Jul. 16, 2020
Jun. 30, 2021
Jun. 30, 2020
BRIDGE INVESTMENT GROUP HOLDINGS INC [Member]              
Subsequent Event [Line Items]              
Number of shares issued           100  
BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Payments for Repurchase of Equity           $ 111 $ 6,500
Equity Method Investment, Ownership Percentage           100.00%  
BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] | Operating Company [Member]              
Subsequent Event [Line Items]              
Equity Method Investment, Ownership Percentage           19.80%  
Common Class B [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Stock Repurchased During Period, Shares         9,375,000    
Subsequent Event [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member]              
Subsequent Event [Line Items]              
Percent of Tax Receivable Agreement 85.00%            
Subsequent Event [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Capital Unit, Class A [Member] | BRDG Bridge Investment Group Holdings Llc [Member]              
Subsequent Event [Line Items]              
Payment to acquire common stock units $ 21,100            
Common units purchased during the year units 1,416,278            
Subsequent Event [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Blocker Merger [Member]              
Subsequent Event [Line Items]              
Stock Issued During Period, Shares, Acquisitions     266,809        
Subsequent Event [Member] | Employees [Member] | Notes Receivables [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Notes Receivable realted parties     $ 3,500        
Subsequent Event [Member] | Class A Units [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Operating Company [Member]              
Subsequent Event [Line Items]              
Payments for Repurchase of Equity     $ 137,100        
Number of shares exchanged     13,166,424        
Conversion of Stock, Shares Issued     97,321,819        
Subsequent Event [Member] | Class A Units [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Operating Company [Member] | Minority Investors [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     5,835,715        
Subsequent Event [Member] | Class A Units [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Former Profits Interest Program Participants [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     4,781,623        
Subsequent Event [Member] | Class A Units [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Other Company [Member] | Minority Investors [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     143,500        
Subsequent Event [Member] | Class A Units [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Shares, Outstanding     21,752,812        
Subsequent Event [Member] | Class A Units [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] | Operating Company [Member]              
Subsequent Event [Line Items]              
Payments for Repurchase of Equity     $ 137,100        
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member]              
Subsequent Event [Line Items]              
Number of shares issued     18,750,000        
Net Proceeds From intial public offering     $ 274,300        
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | 2021 Incentive Award Plan [Member]              
Subsequent Event [Line Items]              
Common stock initially reserved for issuance,shares       6,600,000      
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | 2021 Incentive Award Plan [Member] | Restricted stock and restricted stock unit awards [Member]              
Subsequent Event [Line Items]              
Number of shares granted       2,163,981      
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Former Equity Owners [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     2,180,737        
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Former Equity Owners [Member] | Blocker Merger [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     265,015        
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Former Profits Interest Program Participants [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     282,758        
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Greenshoe [Member]              
Subsequent Event [Line Items]              
Number of shares issued 1,416,278            
Percentage of the proceeds used to buy common stock units 100.00%            
Proceeds from the issuance of common stock $ 21,100            
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Other Company [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     395,816        
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Other Company [Member] | Blocker Merger [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     1,794        
Subsequent Event [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] | Greenshoe [Member]              
Subsequent Event [Line Items]              
Number of shares issued 1,416,278            
Subsequent Event [Member] | Common Class B [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member] | Parent [Member]              
Subsequent Event [Line Items]              
Number of shares exchanged     97,321,819        
Subsequent Event [Member] | Common Class B [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Stock Repurchased and Retired During Period, Shares   9,375,000          
Subsequent Event [Member] | IPO [Member] | BRIDGE INVESTMENT GROUP HOLDINGS INC [Member]              
Subsequent Event [Line Items]              
Number of shares issued     18,750,000        
Sale of stock per share     $ 16.00        
Net Proceeds From intial public offering     $ 274,300        
Subsequent Event [Member] | IPO [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Number of shares issued     18,750,000        
Sale of stock per share     $ 16.00        
Net Proceeds From intial public offering     $ 274,300        
Subsequent Event [Member] | IPO [Member] | Class A Units [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Number of shares issued     18,750,000        
Subsequent Event [Member] | IPO [Member] | Common Class A [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]              
Subsequent Event [Line Items]              
Number of shares issued     18,750,000        
Sale of stock per share     $ 16.00        
Net Proceeds From intial public offering     $ 274,300