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COMPENSATION - Narrative (Details)
$ / shares in Units, shares in Thousands, $ in Millions
1 Months Ended 12 Months Ended
Jul. 19, 2021
$ / shares
shares
Mar. 31, 2019
Dec. 31, 2021
USD ($)
tradingDay
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Granted (in dollars per share) | $ / shares     $ 27.55 $ 32.82 $ 33.15  
Stock-based award expense     $ 16.8 $ 6.3 $ 10.1  
Cost not yet recognized, amount     $ 21.1      
Cost not yet recognized, period for recognition     2 years      
Stock-based awards that vested (in shares)     $ 6.4      
Vesting period     5 years      
Employer discretionary contribution amount     $ 1.0 $ 0.9 $ 0.9  
Performance stock awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Outstanding unvested awards (in shares) | shares     974 905 827 66
Restricted Stock Awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Granted (in shares) | shares 500          
Outstanding unvested awards (in shares) | shares     837 349 327 269
OP units            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Granted (in shares) | shares 300          
Independent directors | Restricted Stock Awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Granted (in shares) | shares 24          
Granted (in dollars per share) | $ / shares $ 28.00          
Vesting period one | Independent directors | Restricted Stock Awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Vesting period 18 months          
Vesting percentage 50.00%          
Vesting period two | Independent directors | Restricted Stock Awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Vesting period 36 months          
Vesting percentage 50.00%          
2020 Incentive Plan            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Vesting period     4 years      
2020 Incentive Plan | Performance stock awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Stock-based award expense, accelerated cost     $ 4.2      
2020 Incentive Plan | Performance stock awards | General and administrative expense            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Stock-based award expense, accelerated cost     3.2      
2020 Incentive Plan | Performance stock awards | Property operating            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Stock-based award expense, accelerated cost     $ 1.0      
2020 Incentive Plan | Vesting period one | Performance stock awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Performance period     3 years      
2020 Incentive Plan | Vesting period two | Performance stock awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Vesting period     1 year      
Threshold consecutive trading days | tradingDay     20      
2020 Incentive Plan | Vesting period three | Performance stock awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Vesting period     5 years      
Amended and Restated 2010 Long-Term Incentive Plan            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Dividend rate   10.00%        
Amended and Restated 2010 Independent Director Stock Plan | Restricted Stock Awards            
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]            
Outstanding unvested awards (in shares) | shares     38 50,000