Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Narrative (Details)

v3.6.0.2
Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Loss Contingencies [Line Items]      
Operating Leases, Rent Expense $ 7.0 $ 6.4 $ 6.0
Commitments to complete construction of our ongoing capital projects and other capital expenditure requirement 111.6    
Joint Venture Interest [Member]      
Loss Contingencies [Line Items]      
Commitments to complete construction of our ongoing capital projects and other capital expenditure requirement 10.2    
Company's Share of Joint Venture Purchase Commitment Remaining Minimum Amount Committed $ 5.1    
Minimum [Member]      
Loss Contingencies [Line Items]      
Percent of guaranty of completion and principal guaranty 5.00%    
Maximum [Member]      
Loss Contingencies [Line Items]      
Percent of guaranty of completion and principal guaranty 100.00%    
Debt [Member] | Mortgages [Member] | Tanger Factory Outlet Centers, Inc [Member]      
Loss Contingencies [Line Items]      
Maximum amount of joint venture debt guaranteed by the Company $ 28.0