XML 82 R62.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary of Significant Accounting Policies - Income Taxes (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Schedule of Common Dividends Per Share [Line Items] |  |  |
REIT annual taxable income distribution requirement percentage | 90.00% |  |
Tanger Factory Outlet Centers, Inc. [Member] |  |  |
Schedule of Common Dividends Per Share [Line Items] |  |  |
Common dividends per share (in dollars per share) | $ 1.3925 | $ 1.3525 | $ 1.2600
Tanger Factory Outlet Centers, Inc. [Member] | Ordinary Income [Member] |  |  |
Schedule of Common Dividends Per Share [Line Items] |  |  |
Common dividends per share (in dollars per share) | 1.3919 | 1.1660 | 1.2459
Tanger Factory Outlet Centers, Inc. [Member] | Capital Gain [Member] |  |  |
Schedule of Common Dividends Per Share [Line Items] |  |  |
Common dividends per share (in dollars per share) | 0.0006 | 0 | 0.0141
Tanger Factory Outlet Centers, Inc. [Member] | Return Of Capital [Member] |  |  |
Schedule of Common Dividends Per Share [Line Items] |  |  |
Common dividends per share (in dollars per share) | $ 0 | $ 0.1865 | $ 0

X
- Definition REIT Annual Taxable Income Distribution Requirement Percentage + References No definition available. + Details
Name: | skt_ReitAnnualTaxableIncomeDistributionRequirementPercentage
Namespace Prefix: | skt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Common Dividends Per Share [Line Items] + References No definition available. + Details
Name: | skt_ScheduleOfCommonDividendsPerShareLineItems
Namespace Prefix: | skt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=skt_TangerFactoryOutletCentersInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=skt_OrdinaryIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=skt_CapitalGainMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=skt_ReturnOfCaptialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |