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Stock Compensation for ROIC (Details Textual)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
Dec. 31, 2019
$ / shares
shares
Apr. 25, 2018
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense | $ $ 1.9 $ 1.7    
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 566,350      
Granted (in dollars per share) | $ / shares $ 16.78      
Number of nonvested shares (in shares) 1,052,669   954,797  
Nonvested weighted average grant date fair value (in dollars per share) | $ / shares $ 16.16   $ 16.55  
LTIP Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Nonvested weighted average grant date fair value (in dollars per share) | $ / shares $ 16.27      
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized (in shares)       22,500,000
Fungible unit to full value award conversion ratio       6.25
Vesting on January 1, 2023 | Performance-based restricted stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 192,238      
Vesting on January 1, 2022 | LTIP Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of nonvested shares (in shares) 187,279