XML 31 R44.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Commitments and Contingencies Litigation (Details) (USD $) | 0 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Oct. 14, 2014 participant | Sep. 04, 2013 participant | May 17, 2013 participant | Sep. 28, 2012 llc | Jan. 28, 2013 participant | Mar. 14, 2014 participant | Jun. 20, 2013 participant | Dec. 24, 2013 claim | Mar. 31, 2012 claim
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of additional investors who apposed the settlement |  |  |  |  |  |  | 1 esrt_NumberofAdditionalInvestorswhoApposedtheSettlement |  |
Number of investors who had filed a notice of appeal |  |  |  |  |  | 1 esrt_NumberofInvestorswhohadFiledaNoticeofAppeal |  |  |
New York State Supreme Court, New York County [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Damages awarded |  |  |  | $ 55,000,000.0 us-gaap_LossContingencyDamagesAwardedValue / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |
Percent of damages awarded required to be in cash |  |  |  | 80.00%esrt_LossContingencyDamagesAwardedPercentinCashMinimum / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |
Number of LLC's |  |  |  | 3 esrt_LossContingencyNumberofLLCs / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |
Maximum difference between exchange value and prospectus statement |  |  |  | 10.00%esrt_LossContingencyMaximumDifferenceBetweenExchangeValueandProspectusStatement / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |
Proceeds from issuance of common stock threshold amount of consolidation considerations |  |  |  | 600,000,000.0 esrt_LossContingencyProceedsfromIssuanceofCommonStockThresholdAmountConsolidationConsiderations / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |
Number of plaintiffs opting out of settlement | 12 esrt_LossContingencyNumberofPlaintiffsOptingOutofSettlement / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember | 2 esrt_LossContingencyNumberofPlaintiffsOptingOutofSettlement / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember | 12 esrt_LossContingencyNumberofPlaintiffsOptingOutofSettlement / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |  |
Attorney fees sought |  |  | 15,000,000 esrt_LossContingencyDamagesAwardedAttorneyFeesSoughtValue / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |  |
Attorney expenses sought |  |  | 295,895 esrt_LossContingencyDamagesAwardedAttorneyExpensesSoughtValue / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |  |
Attorney fees awarded |  |  | 11,590,000 esrt_LossContingencyDamagesAwardedAttorneyFeesAwardedValue / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |  |
Attorney expenses awarded |  |  | $ 265,282 esrt_LossContingencyDamagesAwardedAttorneyExpensesAwardedValue / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |  |
New York State Supreme Court, New York County [Member] | ESRT [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Maximum percent of freely-tradable common stock or partnership units |  |  |  | 20.00%esrt_LossContingencyDamagesAwardedFreelytradableCommonStockorOperatingUnitsMaximum / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember |  |  |  |  |
Pending Litigation [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of plaintiffs |  |  |  |  | 6 us-gaap_LossContingencyNumberOfPlaintiffs / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember |  |  |  |
Pending Litigation [Member] | New York State Supreme Court, New York County [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of claims |  |  |  |  |  |  |  | 4 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember |
Number of plaintiffs | 4,500 us-gaap_LossContingencyNumberOfPlaintiffs / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember |  | 4,500 us-gaap_LossContingencyNumberOfPlaintiffs / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember |  | 6 us-gaap_LossContingencyNumberOfPlaintiffs / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember |  |  |  |
Predecessor [Member] | Pending Litigation [Member] | New York State Supreme Court, New York County [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of claims |  |  |  |  |  |  |  |  | 5 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationCaseAxis = esrt_NewYorkStateSupremeCourtNewYorkCountyMember / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember

X
- Definition Loss Contingency, Damages Awarded, Attorney Expenses Awarded, Value + References No definition available. + Details
Name: | esrt_LossContingencyDamagesAwardedAttorneyExpensesAwardedValue
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss Contingency, Damages Awarded, Attorney Expenses Sought, Value + References No definition available. + Details
Name: | esrt_LossContingencyDamagesAwardedAttorneyExpensesSoughtValue
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss Contingency, Damages Awarded, Attorney Fees Awarded, Value + References No definition available. + Details
Name: | esrt_LossContingencyDamagesAwardedAttorneyFeesAwardedValue
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss Contingency, Damages Awarded, Attorney Fees Sought, Value + References No definition available. + Details
Name: | esrt_LossContingencyDamagesAwardedAttorneyFeesSoughtValue
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss Contingency, Damages Awarded, Freely-tradable Common Stock or Operating Units, Maximum + References No definition available. + Details
Name: | esrt_LossContingencyDamagesAwardedFreelytradableCommonStockorOperatingUnitsMaximum
Namespace Prefix: | esrt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Damages Awarded, Percent in Cash, Minimum + References No definition available. + Details
Name: | esrt_LossContingencyDamagesAwardedPercentinCashMinimum
Namespace Prefix: | esrt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Maximum Difference Between Exchange Value and Prospectus Statement + References No definition available. + Details
Name: | esrt_LossContingencyMaximumDifferenceBetweenExchangeValueandProspectusStatement
Namespace Prefix: | esrt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of LLC's + References No definition available. + Details
Name: | esrt_LossContingencyNumberofLLCs
Namespace Prefix: | esrt_
Data Type: | xbrli:integerItemType
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 Loss Contingency, Proceeds from Issuance of Common Stock, Threshold Amount, Consolidation Considerations + References No definition available. + Details
Name: | esrt_LossContingencyProceedsfromIssuanceofCommonStockThresholdAmountConsolidationConsiderations
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of Additional Investors who Apposed the Settlement + References No definition available. + Details
Name: | esrt_NumberofAdditionalInvestorswhoApposedtheSettlement
Namespace Prefix: | esrt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Investors who had Filed a Notice of Appeal + References No definition available. + Details
Name: | esrt_NumberofInvestorswhohadFiledaNoticeofAppeal
Namespace Prefix: | esrt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- 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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
Name: | us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |