XML 100 R86.htm IDEA: XBRL DOCUMENT v3.22.2.2
Stockholders' Equity of the Company - Additional Information (Details)
3 Months Ended 9 Months Ended
Jan. 18, 2022
$ / shares
shares
Jan. 10, 2022
Jan. 07, 2022
$ / shares
Dec. 02, 2021
$ / shares
Sep. 30, 2022
$ / shares
shares
Sep. 30, 2021
$ / shares
shares
Sep. 30, 2022
$ / shares
shares
Sep. 30, 2021
$ / shares
shares
Jun. 30, 2022
shares
Dec. 31, 2021
$ / shares
shares
Jun. 30, 2021
shares
Dec. 31, 2020
shares
Equity, Class of Treasury Stock [Line Items]                        
Authorized capital stock (shares)         260,000,000   260,000,000          
Authorized shares, par value (in dollars per share) | $ / shares         $ 0.01   $ 0.01          
Common stock, shares authorized (in shares)         160,000,000   160,000,000     160,000,000    
Common stock, par value (in dollars per share) | $ / shares         $ 0.01   $ 0.01     $ 0.01    
Excess stock, shares authorized (shares)         75,000,000   75,000,000          
Excess stock, par value (in dollars per share) | $ / shares         $ 0.01   $ 0.01          
Preferred stock, shares authorized (shares)         25,000,000   25,000,000          
Preferred stock, par value (in dollars per share) | $ / shares         $ 0.01   $ 0.01          
Excess shares issued (shares)         0   0          
Excess shares outstanding (in shares)         0   0          
Cash distribution declared, per common share (in dollars per share) | $ / shares         $ 0.932 $ 0.938 $ 2.797 $ 2.813        
Volume weighted average share price (in dollars per share) | $ / shares     $ 79.71                  
Shareholder Election, Cash Option Subject to Proration                        
Equity, Class of Treasury Stock [Line Items]                        
Common stock, dividends, per share, cash paid (in dollars per share) | $ / shares $ 0.3976                      
Common stock, dividends, per share, stock issued (in shares) 0.0295                      
Shareholder Election, Stock Option                        
Equity, Class of Treasury Stock [Line Items]                        
Common stock, dividends, per share, stock issued (in shares) 0.0345                      
Ordinary Dividend                        
Equity, Class of Treasury Stock [Line Items]                        
Cash distribution declared, per common share (in dollars per share) | $ / shares       $ 0.3108                
Special Dividend                        
Equity, Class of Treasury Stock [Line Items]                        
Cash distribution declared, per common share (in dollars per share) | $ / shares       $ 2.4392                
Common Stock                        
Equity, Class of Treasury Stock [Line Items]                        
Shares, outstanding (in shares)         64,316,000 64,881,000 64,316,000 64,881,000 64,302,000 64,105,000 65,866,000 66,474,000
Reverse stock split conversion ratio   1.03060                    
SL Green Operating Partnership                        
Equity, Class of Treasury Stock [Line Items]                        
Cash distribution declared, per common share (in dollars per share) | $ / shares         $ 0.932 $ 0.938 $ 2.797 $ 2.813        
SL Green Operating Partnership | Common Stock                        
Equity, Class of Treasury Stock [Line Items]                        
Shares, outstanding (in shares)         64,315,581   64,315,581          
Shares, issued (in shares)         64,315,581   64,315,581