XML 118 R97.htm IDEA: XBRL DOCUMENT v3.24.0.1
Stock-based Compensation (Vornado Stock Options, Performance AO LTIP Units, AO LTIP Units & LTIP Units) (Narrative) (Details)
12 Months Ended
Jun. 29, 2023
day
installment
$ / shares
shares
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Performance AO LTIP Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant-date fair value   $ 48,710,000    
2023 Omnibus Share Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period 10 years      
Consecutive trading days | day 20      
2023 Omnibus Share Plan | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share price per common share (in dollars per share) | $ / shares $ 21.0875      
2023 Omnibus Share Plan | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share price per common share (in dollars per share) | $ / shares $ 29.5225      
Vornado stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   4 years    
Stock options expiration term   10 years    
Proceeds received from exercise of employee share options and other     $ 7,000 $ 22,000
Exercises in period, intrinsic value     842 5,500
Aggregate intrinsic value   $ 0    
Options exercisable   $ 0    
Performance AO LTIP Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options expiration term   10 years    
Aggregate intrinsic value   $ 153,748,000    
Performance AO LTIP Units | 2023 Omnibus Share Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Aggregate issuance (in shares) | shares 14,368,750      
Share price per common share (in dollars per share) | $ / shares $ 16.87      
Performance AO LTIP Units | 2023 Omnibus Share Plan | Performance condition 1        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share price per common share (in dollars per share) | $ / shares $ 21.0875      
Award vesting rights, percentage 33.00%      
Increase in grant date share price, percentage 25.00%      
Performance AO LTIP Units | 2023 Omnibus Share Plan | Performance condition 2        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share price per common share (in dollars per share) | $ / shares $ 25.3050      
Award vesting rights, percentage 67.00%      
Increase in grant date share price, percentage 50.00%      
Performance AO LTIP Units | 2023 Omnibus Share Plan | Performance condition 3        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share price per common share (in dollars per share) | $ / shares $ 29.5225      
Award vesting rights, percentage 100.00%      
Increase in grant date share price, percentage 75.00%      
Performance AO LTIP Units | 2023 Omnibus Share Plan | Third Anniversary Of The Grant Date | Performance condition 1        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting rights, percentage 20.00%      
Performance AO LTIP Units | 2023 Omnibus Share Plan | Fourth Anniversary Of The Grant Date | Performance condition 2        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting rights, percentage 80.00%      
No Performance Units Earned | 2023 Omnibus Share Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share price per common share (in dollars per share) | $ / shares $ 21.0875      
AO LTIP Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options expiration term   10 years    
Options exercisable   $ 0    
Threshold level, percent   100.00%    
Special allocation   10.00%    
Special distribution, percent   10.00%    
LTIP Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Aggregate issuance (in shares) | shares 2,394,801      
Grant-date fair value   $ 45,468,000 15,446,000 26,194,000
Distributions, share-based compensation   1,302,000 2,197,000 2,634,000
Number Of Installments | installment 2      
Share-based payment award, transfer restriction period 1 year      
Vested in period, fair value   $ 37,198,000 $ 25,158,000 $ 36,541,000
LTIP Units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   3 years    
LTIP Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   4 years    
OPP Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   4 years