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CREDIT AGREEMENT (Details) - Line of credit
Feb. 23, 2022
USD ($)
Jan. 31, 2022
USD ($)
Apr. 23, 2021
USD ($)
right
Revolving Credit Facility      
Debt Instrument [Line Items]      
Revolving credit facility, maximum borrowing capacity     $ 1,000,000,000
Ratio of indebtedness to net capital     0.50
Number of rights | right     1
Ratio of indebtedness to net capital, maximum increase     0.05
Revolving credit facility, minimum net worth requirement   $ 1,300,000,000  
Long-term debt   0  
Revolving credit facility, remaining available balance   975,900,000  
Revolving Credit Facility | Subsequent Event      
Debt Instrument [Line Items]      
Long-term debt $ 0    
Revolving credit facility, remaining available balance 970,900,000    
Letter of Credit      
Debt Instrument [Line Items]      
Long-term debt   $ 24,100,000  
Letter of Credit | Subsequent Event      
Debt Instrument [Line Items]      
Long-term debt $ 29,100,000