XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.24.3

VARIABLE INTEREST ENTITIES, CONTINGENT LIABILITY AND CONSOLIDATED JOINT VENTURES - Ground Leases (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 48 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 30, 2020 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2016 | Sep. 30, 2024
Variable Interest Entities - Ground Lease |  |  |  |  |  |  |  |  |
Revenue |  | $ 22,211,000 | $ 22,546,000 | $ 66,707,000 | $ 67,905,000 |  |  |  |
Variable Interest Entity, Not Primary Beneficiary | The Vue |  |  |  |  |  |  |  |  |
Variable Interest Entities - Ground Lease |  |  |  |  |  |  |  |  |
Proceeds received from settlement of lawsuit |  |  |  |  |  |  | $ 4,642,000 |  |
Maximum exposure to loss |  | 17,320,000 |  | 17,320,000 |  |  |  |  | $ 17,320,000
Owner/ Operator Mortgage from Third Party |  |  |  |  |  |  |  | $ 67,444,000 |
Current Balance of Owner or Operator Mortgage Debt Obtained From Third Party |  | $ 62,608,000 |  | 62,608,000 |  |  |  |  | 62,608,000
Percentage of operating expense shortfalls & cap-ex covered by the Company | 78.00% |  |  |  |  |  |  |  |
Amount of operating expense shortfalls & cap-ex covered by the Company |  |  |  | $ 44,000 |  | $ 932,000 |  |  |
Variable Interest Entity, Not Primary Beneficiary | The Vue | Ground lease rental income |  |  |  |  |  |  |  |  |
Variable Interest Entities - Ground Lease |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 0

X
- Definition The amount of operating expense shortfalls and capital expenditures in excess of the initial operating expense deposit to be covered by the Company. + References No definition available. + Details
Name: | olp_GroundLeaseOperatingExpenseShortfallsAndCapitalExpendituresCoveredByCompanyAmount
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of operating expense shortfalls and capital expenditures in excess of the initial operating expense deposit to be covered by the Company. + References No definition available. + Details
Name: | olp_GroundLeaseOperatingExpenseShortfallsAndCapitalExpendituresCoveredByCompanyPercentage
Namespace Prefix: | olp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current balance of owner/operator mortgage debt obtained from a third party. + References No definition available. + Details
Name: | olp_OwnerOrOperatorCurrentBalanceOfMortgageDebtFromThirdParty
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the original amount of mortgage debt related obtained from a third party. + References No definition available. + Details
Name: | olp_OwnerOrOperatorMortgageDebtFromThirdParty
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_GroundLeasesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount awarded from other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479016/842-30-45-3 + Details
Name: | us-gaap_OperatingLeaseLeaseIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-4 + Details
Name: | us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=olp_VueApartmentsBeachwoodOhioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=olp_GroundLeaseRentalIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |