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

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

Derivative Financial Instruments - Classifications on Consolidated Balance Sheets (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Fair Value	$ 2,026	$ (3,358)
Interest Rate Swap One [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 175,000
Company Average Fixed Pay Rate	1.03%
Fair Value	$ 0	(17)
Interest Rate Swap Two [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 40,000
Company Average Fixed Pay Rate	2.47%
Fair Value	$ 0	(75)
Interest Rate Swap Three [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 150,000
Company Average Fixed Pay Rate	2.20%
Fair Value	$ 0	(34)
Interest Rate Swap Four [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 25,000
Company Average Fixed Pay Rate	1.75%
Fair Value	$ (459)	(1,192)
Interest Rate Swap Five [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 150,000
Company Average Fixed Pay Rate	0.60%
Fair Value	$ 828	(1,901)
Interest Rate Swap Six
Derivatives, Fair Value [Line Items]
Notional Amount	$ 100,000
Company Average Fixed Pay Rate	0.22%
Fair Value	$ 1,331	(139)
Interest Rate Swap Seven
Derivatives, Fair Value [Line Items]
Notional Amount	$ 25,000
Company Average Fixed Pay Rate	0.24%
Fair Value	$ 326	$ 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
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Five [Member]
Derivatives, Fair Value [Line Items]
Derivative, Interest Rate Term	1 month
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Six
Derivatives, Fair Value [Line Items]
Derivative, Interest Rate Term	1 month
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap Seven
Derivatives, Fair Value [Line Items]
Derivative, Interest Rate Term	1 month