Tanger Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation Accounting Policies (Policies)
- New Accounting Pronouncements (Policies)
Notes Tables
Notes Details

Derivative Financial Instruments (Classifications on Consolidated Balance Sheets) (Details)

v3.19.1

Derivative Financial Instruments (Classifications on Consolidated Balance Sheets) (Details) - Designated as Hedging Instrument [Member] - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Notional Amount	$ 365,000,000
Fair Value	3,797,000	$ 5,749,000
Interest Rate Swap One [Member]
Derivative [Line Items]
Notional Amount	$ 175,000,000
Company Fixed Pay Rate	1.03%
Fair Value	$ 3,773,000	4,948,000
Interest Rate Swap Two [Member]
Derivative [Line Items]
Notional Amount	$ 40,000,000
Company Fixed Pay Rate	2.47%
Fair Value	$ (156,000)	(6,000)
Interest Rate Swap Three [Member]
Derivative [Line Items]
Notional Amount	$ 150,000,000
Company Fixed Pay Rate	2.20%
Fair Value	$ 180,000	$ 807,000
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap One [Member]
Derivative [Line Items]
Bank Pay Rate	1 month
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Two [Member]
Derivative [Line Items]
Bank Pay Rate	1 month
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Three [Member]
Derivative [Line Items]
Bank Pay Rate	1 month

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative, Interest Rate Term

+ References

No definition available.

+ Details

Name:	skt_DerivativeInterestRateTerm
Namespace Prefix:	skt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

+ 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

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num: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

No definition available.

+ Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: