Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share of the Company (Details)

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Earnings Per Share of the Company (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Dec. 31, 2011
Tanger Factory Outlet Centers, Inc
     
Schedule of Components of Basic and Diluted Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 174,600 191,500  
Income (Loss) from Continuing Operations Attributable to Parent $ 8,128 $ 9,398  
Undistributed Earnings Allocated to Participating Securities 158 192  
Net Income (Loss) Available to Common Stockholders, Basic 7,970 9,206  
Weighted Average Number of Shares Outstanding, Basic 89,671,000 80,353,000  
Incremental Common Shares Attributable to Notional Units 1,096,000 0  
Incremental Common Shares Attributable to Conversion of Debt Securities 0 125,000  
Incremental Common Shares Attributable to Share-based Payment Arrangements 65,000 74,000  
Weighted Average Number of Shares Outstanding, Diluted 90,832,000 80,552,000  
Earnings Per Share, Basic $ 0.09 $ 0.11  
Earnings Per Share, Diluted $ 0.09 $ 0.11  
Senior Notes 547,829   547,763
Tanger Factory Outlet Centers, Inc | 3.75% Senior Exchangeable Notes [Member]
     
Schedule of Components of Basic and Diluted Earnings Per Share [Line Items]      
Number of Days in a Trading Period the Average Market Price of Common Stock Exceeds Exchange Price to be Dilutive 20    
Number of Consecutive Trading Days in the Period for Determining the Dilutive Effect of Senior Exchangeable Notes 30    
Debt Instrument, Convertible, Conversion Price $ 17.83    
Tanger Properties Limited Partnership
     
Schedule of Components of Basic and Diluted Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 43,650 47,875  
Undistributed Earnings Allocated to Participating Securities (158) (192)  
Net Income (Loss) Available to Common Stockholders, Basic 8,683 10,625  
Senior Notes 547,829   547,763
Tanger Properties Limited Partnership | 3.75% Senior Exchangeable Notes [Member]
     
Schedule of Components of Basic and Diluted Earnings Per Share [Line Items]      
Number of Days in a Trading Period the Average Market Price of Common Stock Exceeds Exchange Price to be Dilutive 20    
Number of Consecutive Trading Days in the Period for Determining the Dilutive Effect of Senior Exchangeable Notes 30    
Debt Instrument, Convertible, Conversion Price $ 17.83    
Senior Notes $ 0