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SHAREHOLDERS EQUITY - Stock based compensation - Share Awards (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Stock issued (in shares) 2,740 4,292 64,426 47,351
Stock surrendered (in shares) 1,111 1,733 26,745 19,102
Stock surrendered to cover employee withholding taxes     $ 0.8 $ 0.5
Time Vesting Units        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Outstanding at beginning of year     249,821  
Granted (in shares)     156,453  
Vested (in shares)     (79,071)  
Forfeited (in shares)     (28,050)  
Outstanding at end of year 299,153   299,153  
Stock-based compensation expense $ 0.4 $ 0.4 $ 1.3 $ 1.2
Unrecognized compensation expense $ 6.5   $ 6.5  
Unrecognized compensation expense recognition period (in years)     2 years 1 month 6 days  
Time Vesting Units | Third and fifth anniversaries        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Service period (in years)     5 years  
Time Vesting Units | Anniversary of grant date        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Granted (in shares)     156,453  
Vesting Percentage     20.00%  
Financial Performance Units        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Outstanding at beginning of year     183,483  
Granted (in shares)     91,901  
Vested (in shares)     (12,100)  
Forfeited (in shares)     (21,241)  
Outstanding at end of year 242,043   242,043  
Market Performance Units        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Outstanding at beginning of year     13,746  
Forfeited (in shares)     (13,746)  
Unrecognized compensation expense $ 0.0   $ 0.0  
Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Vested (in shares) (3,851)