Annual report [Section 13 and 15(d), not S-K Item 405]

INSURANCE LOSS RESERVES AND LOSS AND LOSS ADJUSTMENT EXPENSES - Additional Information (Details)

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INSURANCE LOSS RESERVES AND LOSS AND LOSS ADJUSTMENT EXPENSES - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Liability for Claims and Claims Adjustment Expense [Line Items]        
Insurance loss reserves $ 21,260,000 $ 12,684,000    
Insurance loss reserves 2,800,000 2,900,000    
Self insurance policy coverage limit $ 5,000,000.0      
Percentage of catastrophic losses in non-CAT zones 5.00%      
Self insurance stop-loss coverage amount per individual per year $ 200,000      
Self insurance maximum claim liability $ 22,500,000      
Property Insurance        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Self insurance policy coverage limit, percentage of claim 100.00%      
Self insurance policy coverage limit, amount claimable $ 5,000,000.0      
Maximum        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Catastrophic losses in non-CAT zones 100,000      
Multifamily Properties        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Selling limit of losses on claim in insurance policy 250,000      
Property, Liability and Casualty Insurance Product Line | Minimum        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Liability for claims and claims adjustment expense 100,000      
Property, Liability and Casualty Insurance Product Line | Maximum        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Liability for claims and claims adjustment expense 250,000      
Bride Property Management | Property, Liability and Casualty Insurance Product Line        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Property liability deductible, amount per property 100,000      
Property liability deductible, amount per multifamily property 250,000      
Property liability deductible, amount per casualty claim 25,000      
Liability for claims and claims adjustment expense 250,000      
Bride Property Management | Property, Liability and Casualty Insurance Product Line | Multifamily Properties        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Selling limit of losses on claim in insurance policy 100,000      
Bride Property Management | Property, Liability and Casualty Insurance Product Line | Commercial Office Properties        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Selling limit of losses on claim in insurance policy 100,000      
Self Insured Retention | Multifamily Properties        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Catastrophic losses in non-CAT zones 250,000      
Medical Self Insurance Reserves        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Insurance loss reserves 2,800,000 2,600,000    
Property Insurance | Self Insured Retention | Property Insurance        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Self insurance reserve annual policy amount 3,000,000      
Insurance loss reserves 100,000      
Self insurance reserve, limits per unit $ 1,500,000      
Self insurance policy coverage limit, percentage of claim 100.00%      
Bridge Investment Group Holdings LLC        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Insurance loss reserves $ 21,300,000 12,700,000    
Liability for claims and claims adjustment expense 21,260,000 $ 12,684,000 $ 9,445,000 $ 8,086,000
Bridge Investment Group Holdings LLC | Property Insurance        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Self insurance reserve annual policy amount 3,000,000      
Bridge Investment Group Holdings LLC | Lease Security Deposit Fulfillment        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Loss contingency, estimate of possible loss 500      
Bridge Investment Group Holdings LLC | Lessor Legal Liability        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Loss contingency, estimate of possible loss 100,000      
Bridge Investment Group Holdings LLC | Workers' Compensation Insurance        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Loss contingency, estimate of possible loss 250,000      
Bridge Investment Group Holdings LLC | Property Insurance        
Liability for Claims and Claims Adjustment Expense [Line Items]        
Loss contingency, estimate of possible loss 5,000,000.0      
Loss contingency, estimate of possible loss , limits per unit 2,500,000      
Bridge Investment Group Holdings LLC | General Liability        
Liability for Claims and Claims Adjustment Expense [Line Items]        
General liability deductible reimbursement, excess amount 5,000,000.0      
General liability deductible reimbursement limits per unit 25,000      
General liability deductible reimbursement, annual policy amount $ 10,000,000.0