Related Party Transactions - Summary of Professionals and Non-Consolidated Funds to be Affiliates (Detail) - BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] - USD ($) $ in Thousands  | 
Jun. 30, 2021  | 
Dec. 31, 2020  | 
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| Related Party Transaction [Line Items] | ||
| Fees receivable from non-consolidated funds | $ 16,714 | $ 15,350 | 
| Payments made on behalf of and amounts due from non-consolidated funds | 5,595 | 10,131 | 
| Total receivables from affiliates | $ 22,309 | $ 25,481 | 
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- Definition Due From Nonconsolidated Entity . No definition available. 
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- Definition Fees Receivable From Nonconsolidated Funds Related Parties . No definition available. 
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- Definition For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Details 
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