Quarterly report pursuant to Section 13 or 15(d)

General Partner Notes Payable - Summary of Carry Value of the General Partner Notes Payable (Detail)

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General Partner Notes Payable - Summary of Carry Value of the General Partner Notes Payable (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
General Partner Notes Payable [Line Items]    
General Partner Notes Payable fair value $ 15,435 $ 16,458
Commitment 21,335  
Bridge Seniors Housing Fund I [Member]    
General Partner Notes Payable [Line Items]    
General Partner Notes Payable fair value 5,269 5,243
Commitment 4,775  
Bridge Multifamily Fund III [Member]    
General Partner Notes Payable [Line Items]    
General Partner Notes Payable fair value 7,612 8,643
Commitment 9,300  
Bridge Debt Strategies Fund I [Member]    
General Partner Notes Payable [Line Items]    
General Partner Notes Payable fair value 2,554 $ 2,572
Commitment $ 7,260