Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Narrative (Details)

v2.4.1.9
Equity-Based Compensation - Narrative (Details) (Tanger Factory Outlet Centers, Inc [Member], USD $)
12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Feb. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocation of recognized period costs, capitalized amount $ 709,000us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount $ 367,000us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount $ 368,000us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount  
Intrinsic value of options exercised during the period 724,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 905,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 716,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue  
Total value of restricted common shares vested 46,600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue 10,900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue 10,600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue  
Shares Paid for Tax Withholding for Share Based Compensation 412,239us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation 0us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation 0us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation  
Payments for the employees' tax obligations to taxing authorities 15,520,000us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation  
Compensation cost not yet recognized $ 30,900,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized      
Period for recognition or unrecognized compensation costs 2 years 11 months 5 days      
Service Condition [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Period of Restricted Shares Granted to Company CEO       5 years
Service and Performance Conditions [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Period of Restricted Shares Granted to Company CEO       5 years