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

Partners' Equity of the Operating Partnership (Details)

Partners' Equity of the Operating Partnership (Details) (Tanger Properties Limited Partnership [Member])	1 Months Ended	12 Months Ended
	Aug. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
General and Limited Partners' Capital Account, Units [Roll Forward]
General partner (in shares)		1,000,000
Shares Paid for Tax Withholding for Share Based Compensation		(412,239)
Issuance of restricted shares (in shares)		1,302,729	332,373	566,000
Units issued upon exercise of options		47,000	44,500	37,700
Units issued as consideration for business acquisition	450,576skt_IssuanceOfLimitedPartnerUnits		450,576skt_IssuanceOfLimitedPartnerUnits
General partner (in shares)		1,000,000	1,000,000
General Partner [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
General partner (in shares)		1,000,000	1,000,000	1,000,000
Shares Paid for Tax Withholding for Share Based Compensation		0
Exchange of Class A limited partnership units		0	0	0
Issuance of restricted shares (in shares)		0	0	0
Units issued upon exercise of options		0	0	0
Units issued as consideration for business acquisition			0
General partner (in shares)		1,000,000	1,000,000	1,000,000
Class A Limited Partnership Units [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited partners (in shares)		5,145,012	4,761,864	11,491,892
Shares Paid for Tax Withholding for Share Based Compensation		0
Exchange of Class A limited partnership units		(66,606)	(67,428)	(6,730,028)
Issuance of restricted shares (in shares)		0	0	0
Units issued upon exercise of options		0	0	0
Units issued as consideration for business acquisition			450,576
Limited partners (in shares)		5,078,406	5,145,012	4,761,864
Class B Limited Partnership Units [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited partners (in shares)		93,505,685	93,061,384	85,727,656
Shares Paid for Tax Withholding for Share Based Compensation		(412,239)
Exchange of Class A limited partnership units		66,606	67,428	6,730,028
Issuance of restricted shares (in shares)		1,302,729	332,373	566,000
Units issued upon exercise of options		47,000	44,500	37,700
Units issued as consideration for business acquisition			0
Limited partners (in shares)		94,509,781	93,505,685	93,061,384
Limited partners [Member]
General and Limited Partners' Capital Account, Units [Roll Forward]
Limited partners (in shares)		98,650,697	97,823,248	97,219,548
Shares Paid for Tax Withholding for Share Based Compensation		(412,239)
Exchange of Class A limited partnership units		0	0	0
Issuance of restricted shares (in shares)		1,302,729	332,373	566,000
Units issued upon exercise of options		47,000	44,500	37,700
Units issued as consideration for business acquisition			450,576
Limited partners (in shares)		99,588,187	98,650,697	97,823,248