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

Quarterly report pursuant to Section 13 or 15(d)

Debt of the Operating Partnership (Narrative) (Details)

Debt of the Operating Partnership (Narrative) (Details) - USD ($)	1 Months Ended		9 Months Ended
	Aug. 31, 2017	Jul. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Minimum [Member]
Debt Instrument [Line Items]
Percent of guaranty of completion and principal guaranty			5.00%
Maximum [Member]
Debt Instrument [Line Items]
Percent of guaranty of completion and principal guaranty			100.00%
Tanger Properties Limited Partnership [Member]
Debt Instrument [Line Items]
Principal			$ 1,791,680,000		$ 1,705,998,000
Debt retirement make whole premium			34,143,000	$ 0
Tanger Properties Limited Partnership [Member] \| Mortgages [Member]
Debt Instrument [Line Items]
Net book value of collateral for mortgages payable			314,500,000
Tanger Properties Limited Partnership [Member] \| Mortgages [Member] \| Atlantic City Outlets The Walk [Member]
Debt Instrument [Line Items]
Principal			38,230,000		40,471,000
Tanger Properties Limited Partnership [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Liquidity Line, Maximum Borrowings, Included in Total Line of Credit Maximum Borrowings			20,000,000
Line of Credit Facility, Syndicated Line, Maximum Borrowings, Included in Total Line of Credit Maximum Borrowings			500,000,000
Line of Credit Facility, Syndicated Line, Potential Maximum Borrowings if Accordion Feature is Utilized			1,000,000,000
Letters of Credit			$ 5,500,000
Percentage of funds from operations allowed on a cumulative basis to pay dividends			95.00%
Principal			$ 148,200,000		61,000,000
Tanger Properties Limited Partnership [Member] \| Senior Notes [Member] \| 3.875% 2027 Senior Notes [Member]
Debt Instrument [Line Items]
Principal		$ 300,000,000	$ 300,000,000		0
Stated Interest Rate(s)		3.875%	3.875%
Debt Instrument, Redemption Price, Percentage		99.579%
Debt Instrument, Percentage Yield to Maturity		3.926%
Proceeds from Issuance of Long-term Debt		$ 295,900,000
Tanger Properties Limited Partnership [Member] \| Senior Notes [Member] \| 6.125% 2020 Senior Notes [Member]
Debt Instrument [Line Items]
Principal	$ 300,000,000		$ 0		300,000,000
Stated Interest Rate(s)	6.125%		6.125%
Debt retirement make whole premium	$ 34,100,000
Write off of debt discount and deferred debt issuance costs	$ 1,500,000
Tanger Properties Limited Partnership [Member] \| Minimum [Member] \| Mortgages [Member] \| Atlantic City Outlets The Walk [Member]
Debt Instrument [Line Items]
Stated Interest Rate(s)			5.14%
Tanger Properties Limited Partnership [Member] \| Maximum [Member] \| Mortgages [Member] \| Atlantic City Outlets The Walk [Member]
Debt Instrument [Line Items]
Stated Interest Rate(s)			7.65%
Tanger Properties Limited Partnership [Member] \| Debt [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit, Maximum borrowing capacity			$ 520,000,000
Tanger Factory Outlet Centers, Inc. [Member]
Debt Instrument [Line Items]
Debt retirement make whole premium			34,143,000	$ 0
Tanger Factory Outlet Centers, Inc. [Member] \| Debt [Member] \| Mortgages [Member]
Debt Instrument [Line Items]
Maximum amount of unconsolidated joint venture debt guaranteed by the Company			32,800,000
Tanger Factory Outlet Centers, Inc. [Member] \| Debt [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Maximum amount of unconsolidated joint venture debt guaranteed by the Company			$ 148,200,000		$ 61,000,000