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Investments in Non-controlled Entities Summary of Financial Information of Non-consolidated Entities - Statements of Operations (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Oct. 06, 2013 | Dec. 31, 2014 | Dec. 31, 2012
Revenue: |  |  |  |
Rental revenue and other |  | $ 143,637 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue |  | $ 188,307 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue
Observatory revenue |  | 76,687 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue |  | 91,870 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue
Total revenue |  | 220,324 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue |  | 280,177 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue
Expenses: |  |  |  |
Operating expenses—rental |  | 114,255 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense |  | 150,778 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense
Operating expenses—overage rent |  | 11,000 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage |  | 26,696 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage
Operating expenses—observatory |  | 17,150 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense |  | 20,709 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense
Interest |  | 6,081 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense |  | 7,741 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense
Depreciation and amortization |  | 17,574 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction |  | 19,712 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction
Total expenses |  | 166,060 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses |  | 225,636 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses
Net income |  | 54,264 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss |  | 54,541 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
Our predecessor's share of equity in net income of non-controlled entities | 0 us-gaap_IncomeLossFromEquityMethodInvestments | 14,875 us-gaap_IncomeLossFromEquityMethodInvestments | 0 us-gaap_IncomeLossFromEquityMethodInvestments | 14,348 us-gaap_IncomeLossFromEquityMethodInvestments
Empire State Building Co. [Member] |  |  |  |
Revenue: |  |  |  |
Rental revenue and other |  | 101,496 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 133,666 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Observatory revenue |  | 76,687 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 91,870 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Total revenue |  | 178,183 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 225,536 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Expenses: |  |  |  |
Operating expenses—rental |  | 89,670 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 119,482 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Operating expenses—overage rent |  | 10,894 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 24,199 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Operating expenses—observatory |  | 17,150 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 20,709 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Interest |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Depreciation and amortization |  | 10,997 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 13,615 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Total expenses |  | 128,711 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 178,005 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Net income |  | 49,472 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 47,531 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
Our predecessor's share of equity in net income of non-controlled entities |  | 13,467 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member |  | 11,015 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_EmpireStateBuildingCo.Member
1333 Broadway Associates [Member] |  |  |  |
Revenue: |  |  |  |
Rental revenue and other |  | 11,711 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 14,539 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Observatory revenue |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Total revenue |  | 11,711 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 14,539 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Expenses: |  |  |  |
Operating expenses—rental |  | 5,766 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 7,528 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Operating expenses—overage rent |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Operating expenses—observatory |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Interest |  | 3,620 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 4,748 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Depreciation and amortization |  | 2,186 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 1,112 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Total expenses |  | 11,572 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 13,388 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Net income |  | 139 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 1,151 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
Our predecessor's share of equity in net income of non-controlled entities |  | 70 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember |  | 576 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1333BroadwayAssociatesMember
1350 Broadway Associates [Member] |  |  |  |
Revenue: |  |  |  |
Rental revenue and other |  | 16,439 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 21,275 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Observatory revenue |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Total revenue |  | 16,439 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 21,275 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Expenses: |  |  |  |
Operating expenses—rental |  | 7,989 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 10,667 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Operating expenses—overage rent |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Operating expenses—observatory |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Interest |  | 2,461 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 2,993 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Depreciation and amortization |  | 3,264 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 3,489 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Total expenses |  | 13,714 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 17,149 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Net income |  | 2,725 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 4,126 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
Our predecessor's share of equity in net income of non-controlled entities |  | 1,179 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember |  | 2,063 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location1350BroadwayAssociatesMember
501 Seventh Avenue Associates [Member] |  |  |  |
Revenue: |  |  |  |
Rental revenue and other |  | 13,991 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 18,827 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesIncomeStatementLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Observatory revenue |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Total revenue |  | 13,991 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 18,827 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Expenses: |  |  |  |
Operating expenses—rental |  | 10,830 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 13,101 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingLeasesRentExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Operating expenses—overage rent |  | 106 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 2,497 esrt_EquityMethodInvestmentSummarizedFinancialInformationLeaseandRentalExpenseOverage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Operating expenses—observatory |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationObservatoryExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Interest |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 0 esrt_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Depreciation and amortization |  | 1,127 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 1,496 esrt_EquityMethodInvestmentSummarizedFinancialInformationDepreciationDepletionandAmortizationNonproduction / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Total expenses |  | 12,063 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 17,094 esrt_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Net income |  | 1,928 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | 1,733 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember
Our predecessor's share of equity in net income of non-controlled entities |  | $ 159 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember |  | $ 694 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = esrt_Location501SeventhAvenueAssociatesMember

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