Quarterly report pursuant to Section 13 or 15(d)

Realized and Unrealized Gains (Losses) - Summary of Net Realized and Unrealized Gains (Losses) (Detail)

v3.21.2
Realized and Unrealized Gains (Losses) - Summary of Net Realized and Unrealized Gains (Losses) (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Schedule Of Realized And Unrealized Gains Losses [Line Items]        
Net realized gains (losses) $ (292,000) $ 224,000 $ (316,000) $ (188,000)
Net unrealized gains (losses) 592,000 (72,000) 6,413,000 995,000
Total 300,000 152,000 6,097,000 807,000
Investment In CompanySponsored Funds [Member]        
Schedule Of Realized And Unrealized Gains Losses [Line Items]        
Net realized gains (losses) (5,000)   (4,000)  
Net unrealized gains (losses) 411,000   4,452,000  
Total 406,000   4,448,000  
Investment In Third Party Partnerships [Member]        
Schedule Of Realized And Unrealized Gains Losses [Line Items]        
Net realized gains (losses) (270,000)   (312,000) (36,000)
Net unrealized gains (losses) 1,279,000   1,523,000 167,000
Total 1,009,000   1,211,000 131,000
Others Investments [Member]        
Schedule Of Realized And Unrealized Gains Losses [Line Items]        
Net realized gains (losses) (17,000) 224,000   (152,000)
Net unrealized gains (losses) 26,000   22,000  
Total 9,000 224,000 22,000 (152,000)
General Partner Notes Payable [Member]        
Schedule Of Realized And Unrealized Gains Losses [Line Items]        
Net unrealized gains (losses) (1,124) (72) 416 828
Total $ (1,124,000) $ (72,000) $ 416,000 $ 828,000