Tanger Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

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

v3.19.3.a.u2

Derivative Financial Instruments - Classifications on Consolidated Balance Sheets (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Notional Amount	$ 390,000
Fair Value	(424)	$ 5,749
Interest Rate Swap One [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 175,000
Company Average Fixed Pay Rate	1.03%
Fair Value	$ 1,018	4,948
Interest Rate Swap Two [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 40,000
Company Average Fixed Pay Rate	2.47%
Fair Value	$ (376)	(6)
Interest Rate Swap Three [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 150,000
Company Average Fixed Pay Rate	2.20%
Fair Value	$ (896)	807
Interest Rate Swap Four [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 25,000
Company Average Fixed Pay Rate	1.75%
Fair Value	$ (170)	$ 0
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap One [Member]
Derivatives, Fair Value [Line Items]
Derivative, Interest Rate Term	1 month
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Two [Member]
Derivatives, Fair Value [Line Items]
Derivative, Interest Rate Term	1 month
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Three [Member]
Derivatives, Fair Value [Line Items]
Derivative, Interest Rate Term	1 month
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Four [Member]
Derivatives, Fair Value [Line Items]
Derivative, Interest Rate Term	1 month

- Definition

Derivative, Interest Rate Term

+ References

No definition available.

+ Details

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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=118260190&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

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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_DerivativesFairValueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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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

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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- Details

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Namespace Prefix:
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Period Type: