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

Equity-Based Compensation of the Operating Partnership Equity-Based Compensation Expense (Details) (Tanger Properties Limited Partnership, USD $)	3 Months Ended
	Mar. 31, 2012 years	Mar. 31, 2011
Equity-Based Compensation Expense by Award Type [Line Items]
Equity-Based Compensation	$ 3,391,000	$ 1,798,000
Employee Service Equity Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized	31,800,000
Employee Service Equity Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period of Recognition	3.8
Restricted Units [Member]
Equity-Based Compensation Expense by Award Type [Line Items]
Equity-Based Compensation	2,850,000	1,266,000
Notional Unit Performance Awards [Member]
Equity-Based Compensation Expense by Award Type [Line Items]
Equity-Based Compensation	489,000	507,000
Options [Member]
Equity-Based Compensation Expense by Award Type [Line Items]
Equity-Based Compensation	52,000	25,000
Fully Vested [Member] \| Restricted Units [Member]
Equity-Based Compensation Expense by Award Type [Line Items]
Equity-Based Compensation	$ 1,300,000