v3.22.4
Performance Incentive Plan (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
May 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized (in shares)       1,800,000,000
Stock options outstanding (in shares) 0      
Restricted shares granted (in shares) 33,003,000      
Share-based compensation cost $ 15,449,000 $ 14,296,000 $ 14,213,000  
Unrecognized compensation cost $ 11,266,000      
Weighted average period for recognition of unrecognized compensation cost 2 years 4 months 24 days      
Chief Executive Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Incremental executive retirement costs $ 1,379,000      
Restricted stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted shares granted (in shares) 410,403,000      
Restricted stock | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period (in years) 3 years      
Restricted stock | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period (in years) 5 years      
Performance shares, subject to shareholder return        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted shares granted (in shares) 289,434      
Performance period used In calculation 3 years      
Fair value share price (in dollars per share) $ 29.76      
Performance shares, subject to Core Funds From Operations growth        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant price (in dollars per share) $ 42.85