XML 58 R48.htm IDEA: XBRL DOCUMENT
v3.22.2

Commitments and Contingencies - Legal Proceedings (Details) - New york state supreme court, new york county $ in Millions |  | 1 Months Ended
--- | --- | ---
Aug. 26, 2020 USD ($) | Oct. 31, 2014 participant
Loss Contingencies [Line Items] |  |
Number of plaintiffs opting out of settlement (participant) | participant |  | 12
Amount awarded to claimants | $ | $ 1.2 |
Interest period (in years) | 7 years |

X
- Definition Litigation Settlement Interest, Period + References No definition available. + Details
Name: | esrt_LitigationSettlementInterestPeriod
Namespace Prefix: | esrt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of Plaintiffs Opting Out of Settlement + References No definition available. + Details
Name: | esrt_LossContingencyNumberofPlaintiffsOptingOutofSettlement
Namespace Prefix: | esrt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_LitigationCaseAxis=esrt_NewYorkStateSupremeCourtNewYorkCountyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |