Derivative Financial Instruments (Classifications on Consolidated Balance Sheets) (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Derivative [Line Items]
Fair Value	$ 58	$ (1,960)
Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount	$ 400,000
Company Fixed Pay Rate	3.80%
Fair Value
Interest rate swap February 1, 2024, maturing February 1, 2026
Derivative [Line Items]
Notional Amount	$ 75,000
Company Fixed Pay Rate	3.50%
Fair Value	$ 0	22
Interest rate swap February 1, 2024, maturing August 1, 2026
Derivative [Line Items]
Notional Amount	$ 75,000
Company Fixed Pay Rate	3.70%
Fair Value	$ (18)	(80)
Interest rate swap February 1, 2024, maturing January 1, 2027
Derivative [Line Items]
Notional Amount	$ 175,000
Company Fixed Pay Rate	4.20%
Fair Value	$ (689)	(1,358)
Interest Rate Swap Maturing October 2029
Derivative [Line Items]
Notional Amount	$ 75,000
Company Fixed Pay Rate	3.40%
Fair Value	$ 386	(25)
Forward starting derivative, maturing April 1, 2028
Derivative [Line Items]
Notional Amount	$ 75,000
Company Fixed Pay Rate	3.30%
Fair Value	$ 379	(102)
Interest rate swap May 1, 2025, maturing April 24,2029
Derivative [Line Items]
Notional Amount	$ 61,700
Company Fixed Pay Rate	3.50%
Fair Value	$ 0	(417)
Forward Starting Derivatives
Derivative [Line Items]
Notional Amount	$ 175,000
Company Fixed Pay Rate	3.20%
Fair Value	$ 870	30
Forward starting derivative, maturing October 1, 2027
Derivative [Line Items]
Notional Amount	$ 50,000
Company Fixed Pay Rate	3.10%
Fair Value	$ 272	6
Forward starting derivative, maturing April 1, 2028
Derivative [Line Items]
Notional Amount	$ 25,000
Company Fixed Pay Rate	3.10%
Fair Value	$ 180	24
Forward starting derivative, maturing December 2028
Derivative [Line Items]
Notional Amount	$ 50,000
Company Fixed Pay Rate	3.20%
Fair Value	$ 225	0
Forward starting derivative, maturing August 2029
Derivative [Line Items]
Notional Amount	$ 25,000
Company Fixed Pay Rate	3.10%
Fair Value	$ 213	0
Forward starting derivative, maturing September 2030
Derivative [Line Items]
Notional Amount	$ 25,000
Company Fixed Pay Rate	3.50%
Fair Value	$ (20)	$ 0

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

+ Details

Name:	us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

+ Details

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_InterestRateSwapThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_InterestRateSwapEightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_InterestRateSwapTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_InterestRateSwapFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_ForwardStartingDerivativeInstrumentOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_InterestRateSwapNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForwardContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_ForwardStartingDerivativeInstrumentTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_ForwardStartingDerivativeInstrumentThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_ForwardStartingDerivativeInstrumentFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_ForwardStartingDerivativeInstrumentFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=skt_ForwardStartingDerivativeInstrumentSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: