Quarterly report pursuant to Section 13 or 15(d)

Self-Insurance Reserves - Additional Information (Detail)

v3.21.2
Self-Insurance Reserves - Additional Information (Detail) - USD ($)
Jun. 20, 2020
Jun. 30, 2021
Dec. 31, 2020
BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Self insurance stop-loss coverage amount per individual per year   $ 125,000  
Property and casualty claims for insured, per property   25,000  
Selling limit of losses on claim in insurance policy   100,000  
Self insurance policy coverage limit   5,000,000.0  
Self Insurance reserve, limits per unit   $ 750,000  
Percentage of catastrophic losses in non-CAT Zones   5.00%  
Catastrophic losses in non-CAT Zones   $ 25,000  
Insurance loss reserves   4,883,000 $ 4,436,000
Self-insurance reserves and unearned premiums   $ 3,500,000 3,700,000
Self insurance liability retention per location threshold $ 4,000,000.0    
Property Insurance [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Self insurance policy coverage limit, percentage of claim   100.00%  
Self insurance policy coverage limit, amount claimable   $ 2,000,000.0  
Losses or Risk Exposure [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Self insurance policy coverage limit, percentage of claim   15.00%  
Self insurance policy coverage limit, amount claimable   $ 3,000,000.0  
General Liability [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Self Insurance reserve, Annual policy amount 10,000,000.0    
Self Insurance reserve, Excess amount $ 2,000,000.0    
Insurance loss reserves   700,000 400,000
Minimum [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Property and casualty claims for insured, per property   25,000  
Minimum [Member] | Losses or Risk Exposure [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Selling limit of losses on claim in insurance policy   2,000,000.0  
Maximum [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Property and casualty claims for insured, per property   100,000  
Maximum [Member] | Losses or Risk Exposure [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Selling limit of losses on claim in insurance policy   450,000  
Bride Property Management [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Property and casualty claims for insured, per property   25,000  
Self Insured Retention [Member] | BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Catastrophic losses in non-CAT Zones   75,000  
Medical SelfInsurance Reserves [Member]      
Deferred Policy Acquisition Cost [Line Items]      
Medical self-insurance reserves   $ 2,800,000 $ 3,300,000