Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Narrative (Details)

v2.4.1.9
Fair Value Measurements - Narrative (Details) (Tanger Properties Limited Partnership [Member], USD $)
Dec. 31, 2014
Dec. 31, 2013
Tanger Properties Limited Partnership [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value $ 1,500,000,000us-gaap_LongTermDebtFairValue
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 1,400,000,000us-gaap_LongTermDebtFairValue
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Long-term debt $ 1,443,194,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 1,328,049,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember