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STOCKHOLDERS' EQUITY - Activity of the Plans (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Restricted stock and RSU grants      
Restricted stock and RSU grants (based on grant price):      
Weighted average per share value of non-vested shares (in dollars per share) $ 25.74 $ 26.47  
Value of stock vested during the period $ 3,412,000 $ 3,236,000  
Weighted average per share value of shares forfeited during the period (in dollars per share) $ 0 $ 33.75  
Total charge to operations:      
Total charge to operations $ 1,328,000 $ 1,325,000  
Restricted stock grants      
Summary of the activity of the incentive Plans      
Average per share grant price (in dollars per share) $ 22.09 $ 33.75  
Deferred compensation to be recognized over vesting period $ 3,379,000 $ 5,183,000  
Number of non-vested shares:      
Non-vested beginning of period (in shares) 712,375 706,450 706,450
Number of shares granted (in shares) 152,955 153,575  
Vested during period (in shares) (134,800) (130,750)  
Forfeitures (in shares) 0 (500)  
Non-vested end of period (in shares) 730,530 728,775 712,375
Total charge to operations:      
Total charge to operations $ 950,000 $ 957,000  
Weighted average vesting period 2 years 9 months 18 days    
Restricted stock grants | General and administrative expense      
Total charge to operations:      
Total compensation costs related to non-vested awards that have not yet been recognized $ 10,668,000    
Restricted stock units      
Summary of the activity of the incentive Plans      
Average per share grant price (in dollars per share) $ 0 $ 0  
Deferred compensation to be recognized over vesting period $ 0 $ 0  
Number of non-vested shares:      
Non-vested beginning of period (in shares) 241,076 230,752 230,752
Number of shares granted (in shares) 0 0  
Vested during period (in shares) 0 0  
Forfeitures (in shares) 0 0  
Non-vested end of period (in shares) 241,076 230,752 241,076
Total charge to operations:      
Total charge to operations $ 378,000 $ 368,000  
Weighted average vesting period 1 year 3 months 18 days    
Restricted stock units | General and administrative expense      
Total charge to operations:      
Total compensation costs related to non-vested awards that have not yet been recognized $ 1,995,000