Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 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 | | | | |
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 | | | | |
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 | | | | |
Net Proceeds From intial public offering | | | $ 274,300 | | | | |