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

Annual report pursuant to Section 13 and 15(d)

Acquisition of Rental Property - Narrative (Details)

Acquisition of Rental Property - Narrative (Details) ft² in Thousands	1 Months Ended			3 Months Ended		6 Months Ended	12 Months Ended
	Aug. 31, 2016 USD ($)	Jul. 31, 2016	Jun. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) ft²	Dec. 31, 2014 USD ($)	May 31, 2016 ft²	Sep. 30, 2011 USD ($) ft²
Acquistion of Rental Property [Line Items]
Fair Value Inputs, Long-term Revenue Growth Rate							3.00%
Savannah [Member]
Acquistion of Rental Property [Line Items]
Cash	$ 15,000,000
Ownership %		50.00%
Economic interest percentage in joint venture		98.00%
Contingent Consideration Classified as Equity, Fair Value Disclosure	0
Acquisition costs	260,000
Gain on previously held interest in acquired joint ventures	46,300,000			$ 46,300,000
Rental property and related intangible increase	46,300,000
Prepaids and other assets	250,000
Accounts payable and accrued expense	2,100,000
Westgate [Member]
Acquistion of Rental Property [Line Items]
Cash			$ 39,000,000
Mortgage loan			62,000,000		$ 62,000,000
Ownership %										58.00%
Contingent Consideration Classified as Equity, Fair Value Disclosure			0		0
Acquisition costs			127,000
Gain on previously held interest in acquired joint ventures			49,300,000		49,300,000
Rental property and related intangible increase			49,300,000
Prepaids and other assets			227,000		227,000
Accounts payable and accrued expense			5,000,000		$ 5,000,000
Payments to Acquire Businesses, Gross			$ 40,900,000
Percentage of business acquired			40.00%		40.00%
Payments to Acquire Additional Interest in Subsidiaries			$ 1,900,000
Measurement period adjustment, Buildings, Improvements and Fixtures						$ (5,600,000)
Measurement period adjustment, Land						(150,000)
Hershey [Member]
Acquistion of Rental Property [Line Items]
Square Feet \| ft²											248
Loan included in other assets											$ 6,200,000
Savannah [Member]
Acquistion of Rental Property [Line Items]
Mortgage loan	$ 96,900,000
Ownership %								50.00%
Economic interest percentage in joint venture								98.00%
Square Feet \| ft²								377		419
Mortgages [Member] \| Savannah [Member]
Acquistion of Rental Property [Line Items]
Basis spread on variable rate	1.65%
Tanger Properties Limited Partnership [Member]
Acquistion of Rental Property [Line Items]
Cash							$ 45,219,000	$ 0	$ 0
Acquisition costs							487,000	0	7,000
Gain on previously held interest in acquired joint ventures							95,516,000	0	$ 0
Principal						1,705,998,000	$ 1,705,998,000	$ 1,567,186,000
Noncontrolling interests [Member] \| Westgate [Member]
Acquistion of Rental Property [Line Items]
Percentage of business acquired			2.00%		2.00%
3.125% Senior Notes $250 million [Member] \| Tanger Properties Limited Partnership [Member] \| Senior Notes [Member]
Acquistion of Rental Property [Line Items]
Principal	$ 250,000,000
London Interbank Offered Rate (LIBOR) [Member] \| Westgate [Member] \| Tanger Properties Limited Partnership [Member] \| Mortgages [Member]
Acquistion of Rental Property [Line Items]
Basis spread on variable rate			1.75%
Minimum [Member]
Acquistion of Rental Property [Line Items]
Fair Value Inputs, Discount Rate							7.50%
Fair Value Inputs, Cap Rate							5.75%
Maximum [Member]
Acquistion of Rental Property [Line Items]
Fair Value Inputs, Discount Rate							8.25%
Fair Value Inputs, Cap Rate							7.00%
Above market lease value [Member] \| Westgate [Member]
Acquistion of Rental Property [Line Items]
Measurement period adjustment, intangibles						1,600,000
Below market lease value [Member] \| Westgate [Member]
Acquistion of Rental Property [Line Items]
Measurement period adjustment, intangibles						4,800,000
Lease in place value [Member] \| Westgate [Member]
Acquistion of Rental Property [Line Items]
Measurement period adjustment, intangibles						$ (628,000)