Quarterly report pursuant to Section 13 or 15(d)

Developments of Consolidated Outlet Centers (Details)

v2.4.1.9
Developments of Consolidated Outlet Centers (Details) (USD $)
19 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2015
sqft
Mar. 31, 2015
sqft
Mar. 31, 2015
sqft
Properties under development [Member]      
Real Estate Properties [Line Items]      
Square Feet 983,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_PropertiesunderdevelopmentMember
983,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_PropertiesunderdevelopmentMember
983,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_PropertiesunderdevelopmentMember
Costs incurred to date $ 135,100,000us-gaap_PaymentsToAcquireAndDevelopRealEstate
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_PropertiesunderdevelopmentMember
   
Borrowed to date 40,100,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_PropertiesunderdevelopmentMember
40,100,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_PropertiesunderdevelopmentMember
40,100,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_PropertiesunderdevelopmentMember
Southaven [Member]      
Real Estate Properties [Line Items]      
Square Feet 320,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_SouthavenMember
320,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_SouthavenMember
320,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_SouthavenMember
Costs incurred to date   16,600,000us-gaap_PaymentsToAcquireAndDevelopRealEstate
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_SouthavenMember
 
Grand Rapids [Member]      
Real Estate Properties [Line Items]      
Square Feet 350,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_GrandRapidsMember
350,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_GrandRapidsMember
350,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_GrandRapidsMember
Costs incurred to date     32,500,000us-gaap_PaymentsToAcquireAndDevelopRealEstate
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_GrandRapidsMember
Foxwoods [Member]      
Real Estate Properties [Line Items]      
Square Feet 313,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_FoxwoodsMember
313,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_FoxwoodsMember
313,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_FoxwoodsMember
Costs incurred to date 86,000,000us-gaap_PaymentsToAcquireAndDevelopRealEstate
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_FoxwoodsMember
   
Borrowed to date $ 40,100,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_FoxwoodsMember
$ 40,100,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_FoxwoodsMember
$ 40,100,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= skt_FoxwoodsMember