XML 83 R68.htm IDEA: XBRL DOCUMENT
v3.21.1

Equity-Based Compensation of the Company (Outperformance Plan) (Details) - Tanger Factory Outlet Centers, Inc. [Member] - Performance Shares [Member] - 2021 PSP - $ / shares | 1 Months Ended | 3 Months Ended
--- | --- | ---
Feb. 28, 2021 | Mar. 31, 2021
Maximum number of restricted common shares that may be earned |  | 642,423
Granted (in dollars per share) |  | $ 9.65
Shares/Units, granted (in shares/units) | 642,000 |
Absolute portion of award [Member] |  |
Percent of total award |  | 33.30%
Relative portion of award [Member] |  |
Percent of total award |  | 66.70%
Minimum [Member] | Absolute portion of award [Member] |  |
Absolute total shareholder return |  | 26.00%
Percentage of units to be earned |  | 20.00%
Minimum [Member] | Relative portion of award [Member] |  |
Percentage of units to be earned |  | 20.00%
Percentile rank of peer group range |  | 30.00%
Maximum [Member] | Absolute portion of award [Member] |  |
Absolute total shareholder return |  | 40.50%
Percentage of units to be earned |  | 100.00%
Maximum [Member] | Relative portion of award [Member] |  |
Percentage of units to be earned |  | 100.00%
Percentile rank of peer group range |  | 80.00%

X
- Definition Percent of Shares Earned if Threshold Met + References No definition available. + Details
Name: | skt_PercentOfSharesEarnedIfThresholdMet
Namespace Prefix: | skt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percent of Total Shares Available to be Awarded + References No definition available. + Details
Name: | skt_PercentOfTotalSharesAvailableToBeAwarded
Namespace Prefix: | skt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percent of share price appreciation + References No definition available. + Details
Name: | skt_Percentofsharepriceappreciation
Namespace Prefix: | skt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the aggregate number shares that may be earned by the recipients of the stock-based compensation plan of the entity depending upon the appreciation of the price of stock of the entity above a threshold level + References No definition available. + Details
Name: | skt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateNumberOfSharesThatMayBeEarned
Namespace Prefix: | skt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Threshold Percentage for Performance Target + References No definition available. + Details
Name: | skt_ThresholdPercentageForPerformanceTarget
Namespace Prefix: | skt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
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_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=skt_A2021PSPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | skt_PerformanceTargetTypeAxis=skt_AbsoluteportionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | skt_PerformanceTargetTypeAxis=skt_RelativeportionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |