Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)

v3.21.2
Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Assets    
Assets, Fair Value Disclosure $ 349,503 $ 220,480
GP Notes payable [Member]    
Liabilities    
Liabilities, Fair Value Disclosure 12,007 16,458
Exchange Traded Funds [Member]    
Assets    
Assets, Fair Value Disclosure 1,327 736
Mutual Funds [Member]    
Assets    
Assets, Fair Value Disclosure 7,781 4,317
Accrued Performance Allocations [Member]    
Assets    
Assets, Fair Value Disclosure 301,910 199,410
Partnership Interests [Member]    
Assets    
Assets, Fair Value Disclosure 34,264 15,672
Other Investments [Member]    
Assets    
Assets, Fair Value Disclosure 4,221 345
Level 1 [Member]    
Assets    
Assets, Fair Value Disclosure 9,108 5,053
Level 1 [Member] | Exchange Traded Funds [Member]    
Assets    
Assets, Fair Value Disclosure 1,327 736
Level 1 [Member] | Mutual Funds [Member]    
Assets    
Assets, Fair Value Disclosure 7,781 4,317
Level 3 [Member]    
Assets    
Assets, Fair Value Disclosure 4,221 345
Level 3 [Member] | Other Investments [Member]    
Assets    
Assets, Fair Value Disclosure 4,221 345
Measured at NAV [Member]    
Assets    
Assets, Fair Value Disclosure 336,174 215,082
Measured at NAV [Member] | GP Notes payable [Member]    
Liabilities    
Liabilities, Fair Value Disclosure 12,007 16,458
Measured at NAV [Member] | Accrued Performance Allocations [Member]    
Assets    
Assets, Fair Value Disclosure 301,910 199,410
Measured at NAV [Member] | Partnership Interests [Member]    
Assets    
Assets, Fair Value Disclosure $ 34,264 $ 15,672