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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property and Equipment) (Details) - USD ($)
$ in Millions
1 Months Ended
Jan. 31, 2021
Dec. 31, 2023
Office Building - Richmond, Virginia    
Property, Plant and Equipment [Line Items]    
Purchase price $ 131  
Minimum | Buildings    
Property, Plant and Equipment [Line Items]    
Useful life   20 years
Minimum | Aircrafts    
Property, Plant and Equipment [Line Items]    
Useful life   10 years
Minimum | Furniture and office equipment    
Property, Plant and Equipment [Line Items]    
Useful life   5 years
Minimum | Vehicles    
Property, Plant and Equipment [Line Items]    
Useful life   4 years
Minimum | Computer hardware and software    
Property, Plant and Equipment [Line Items]    
Useful life   3 years
Maximum | Buildings    
Property, Plant and Equipment [Line Items]    
Useful life   39 years
Maximum | Aircrafts    
Property, Plant and Equipment [Line Items]    
Useful life   20 years
Maximum | Furniture and office equipment    
Property, Plant and Equipment [Line Items]    
Useful life   10 years
Maximum | Vehicles    
Property, Plant and Equipment [Line Items]    
Useful life   5 years
Maximum | Computer hardware and software    
Property, Plant and Equipment [Line Items]    
Useful life   5 years