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Business (Details) ft² in Millions | Sep. 30, 2018 shares ft² subsidiary OutletCenter
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Entity Information [Line Items] |
Number of Operating Partnership Units Owned by the Company | shares | 93,907,034
Exchange ratio of Partnership Units for common shares | 1
Consolidated Properties [Member] |
Entity Information [Line Items] |
Number of Outlet Centers | 36
Total gross leaseable area of outlet centers (in square feet) | ft² | 12.9
Unconsolidated Properties [Member] |
Entity Information [Line Items] |
Number of Outlet Centers | 8
Total gross leaseable area of outlet centers (in square feet) | ft² | 2.4
Unconsolidated Properties [Member] | CANADA |
Entity Information [Line Items] |
Number of Outlet Centers | 4
Tanger Factory Outlet Centers, Inc. [Member] |
Entity Information [Line Items] |
Number of wholly-owned subsidiaries | subsidiary | 2
Tanger Properties Limited Partnership [Member] | Class A Limited Partnership Units [Member] |
Entity Information [Line Items] |
Number of Operating Partnership units owned by the Operating Partnership and other limited partners | shares | 4,995,433

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