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Business (Details) ft² in Millions | Mar. 31, 2021 shares ft² OutletCenter subsidiary
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Entity Information [Line Items] |
Number of Operating Partnership Units Owned by the Company | shares | 100,794,577
Exchange ratio of Partnership Units for common shares | 1
Consolidated Properties [Member] |
Entity Information [Line Items] |
Number of outlet centers | 30
Total gross leaseable area of outlet centers (in square feet) | ft² | 11.5
Unconsolidated Properties [Member] |
Entity Information [Line Items] |
Number of outlet centers | 6
Total gross leaseable area of outlet centers (in square feet) | ft² | 2.1
Unconsolidated Properties [Member] | CANADA |
Entity Information [Line Items] |
Number of outlet centers | 2
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 | 4,794,643

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