Annual report pursuant to Section 13 and 15(d)

Earnings Per Unit of the Operating Partnership (Details)

v2.4.1.9
Earnings Per Unit of the Operating Partnership (Details) (Tanger Properties Limited Partnership [Member], USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 12 Months Ended
Jan. 31, 2014
Aug. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Tanger Properties Limited Partnership [Member]
         
Numerator          
Net income attributable to partners of the Operating Partnership     $ 78,048skt_NetIncomeAvailalbeToPartners
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 113,200skt_NetIncomeAvailalbeToPartners
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 56,495skt_NetIncomeAvailalbeToPartners
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Less allocation of earnings to participating securities     (1,873)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
(1,129)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
(784)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership     $ 76,175us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 112,071us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 55,711us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Denominator          
Basic weighted average common shares (in shares)     98,883,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
98,193,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
97,677,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Effect of notional units (in shares)     0skt_IncrementalCommonSharesAttributableToNotionalUnits
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
849,000skt_IncrementalCommonSharesAttributableToNotionalUnits
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
846,000skt_IncrementalCommonSharesAttributableToNotionalUnits
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Effect of outstanding options and restricted common shares (in shares)     70,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
87,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
82,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Diluted weighted average common shares (in shares)     98,953,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
99,129,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
98,605,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Basic earnings per common unit:          
Net income, basic (in dollars per share)     $ 0.77us-gaap_EarningsPerShareBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 1.14us-gaap_EarningsPerShareBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 0.57us-gaap_EarningsPerShareBasic
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Diluted earnings per common unit:          
Net income, diluted (in dollars per share)     $ 0.77us-gaap_EarningsPerShareDiluted
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 1.13us-gaap_EarningsPerShareDiluted
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
$ 0.57us-gaap_EarningsPerShareDiluted
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Stock split, conversion ratio   4us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
     
Number of notional units converted to restricted common units 933,769skt_Numberofnotionalunitsconvertedtorestrictedcommonunits
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
       
Antidilutive securities excluded from computation of earnings per share (in shares)     259,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
17,600us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember