Quarterly report pursuant to Section 13 or 15(d)

CONTINGENCIES AND COMMITMENTS - Additional Information - (Details)

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CONTINGENCIES AND COMMITMENTS - Additional Information - (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Apr. 30, 2019
Loss Contingencies [Line Items]    
Standby letters of credit to state and federal agencies   $ 1,000,000,000
Standby Letters of Credit    
Loss Contingencies [Line Items]    
Standby letters of credit drawn $ 0  
Issued surety bonds 500,438  
Surety Bond    
Loss Contingencies [Line Items]    
Issued surety bonds $ 500,438  
Extended term for surety bonds (in years) 1 year  
Surety bonds renewal amount $ 400,000  
Surety bonds renewal amount, not applicable 100,438  
State And Federal Agencies | Standby Letters of Credit    
Loss Contingencies [Line Items]    
Standby letters of credit to state and federal agencies $ 260,000  
Extended term under letter of credit arrangement (in years) 1 year