Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Costs relating to construction included in accounts payable and accrued expenses $ 15,772 $ 32,060 $ 22,908  
Interest paid, net of interest capitalized 60,529 56,730 50,270  
Dividend Declared [Member]        
Special Dividend       $ 21,200
Tanger Factory Outlet Centers, Inc. [Member]        
Cash and cash equivalents 9,083 6,101 12,222 21,558
Restricted Cash 0 0 0 121,300
Cash, cash equivalents and restricted cash 9,083 6,101 12,222 142,864
Tanger Properties Limited Partnership [Member]        
Cash and cash equivalents 8,991 6,050 12,199 21,552
Restricted Cash 0 0 0 121,306
Cash, cash equivalents and restricted cash $ 8,991 $ 6,050 $ 12,199 $ 142,858