XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.25.3

REAL ESTATE ACQUISITIONS - Purchase price allocation (Details) - Real Estate Acquisitions in 2025 $ in Thousands | Sep. 30, 2025 USD ($)
--- | ---
REAL ESTATE ACQUISITIONS |
Intangible Lease Asset | $ 9,781
Intangible Lease Liability | (1,155)
Total | 112,925
Land |
REAL ESTATE ACQUISITIONS |
Acquired property | 8,687
Building & Improvements |
REAL ESTATE ACQUISITIONS |
Acquired property | 95,612
Multi-tenant (2 properties), Theodore, Alabama |
REAL ESTATE ACQUISITIONS |
Intangible Lease Asset | 3,847
Intangible Lease Liability | (1,050)
Total | $ 49,197
Market capitalization rate | 0.0625
Multi-tenant (2 properties), Theodore, Alabama | Lease Intangible |
REAL ESTATE ACQUISITIONS |
Discount rate | 0.072
Multi-tenant (2 properties), Theodore, Alabama | Land |
REAL ESTATE ACQUISITIONS |
Acquired property | $ 610
Multi-tenant (2 properties), Theodore, Alabama | Building & Improvements |
REAL ESTATE ACQUISITIONS |
Acquired property | 45,790
Amazon.com Services, LLC industrial property in Wichita, Kansas |
REAL ESTATE ACQUISITIONS |
Intangible Lease Asset | 1,685
Intangible Lease Liability | (14)
Total | $ 13,530
Market capitalization rate | 0.07
Amazon.com Services, LLC industrial property in Wichita, Kansas | Lease Intangible |
REAL ESTATE ACQUISITIONS |
Discount rate | 0.0732
Amazon.com Services, LLC industrial property in Wichita, Kansas | Land |
REAL ESTATE ACQUISITIONS |
Acquired property | $ 1,129
Amazon.com Services, LLC industrial property in Wichita, Kansas | Building & Improvements |
REAL ESTATE ACQUISITIONS |
Acquired property | 10,730
Multi-Tenant industrial property in Council Bluffs, Iowa |
REAL ESTATE ACQUISITIONS |
Intangible Lease Asset | 2,356
Intangible Lease Liability | (91)
Total | $ 26,111
Market capitalization rate | 0.07
Multi-Tenant industrial property in Council Bluffs, Iowa | Lease Intangible |
REAL ESTATE ACQUISITIONS |
Discount rate | 0.0732
Multi-Tenant industrial property in Council Bluffs, Iowa | Land |
REAL ESTATE ACQUISITIONS |
Acquired property | $ 5,722
Multi-Tenant industrial property in Council Bluffs, Iowa | Building & Improvements |
REAL ESTATE ACQUISITIONS |
Acquired property | 18,124
Charter Next Generation, Inc, Blythewood, South Carolina |
REAL ESTATE ACQUISITIONS |
Intangible Lease Asset | 1,893
Total | $ 24,087
Market capitalization rate | 0.06
Charter Next Generation, Inc, Blythewood, South Carolina | Lease Intangible |
REAL ESTATE ACQUISITIONS |
Discount rate | 0.0775
Charter Next Generation, Inc, Blythewood, South Carolina | Land |
REAL ESTATE ACQUISITIONS |
Acquired property | $ 1,226
Charter Next Generation, Inc, Blythewood, South Carolina | Building & Improvements |
REAL ESTATE ACQUISITIONS |
Acquired property | $ 20,968

X
- Definition The discount rate used to measure tangible assets acquired. + References No definition available. + Details
Name: | olp_AssetAcquisitionsMeasurementInputDiscountRate
Namespace Prefix: | olp_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The market capitalization rate used to measure tangible assets acquired. + References No definition available. + Details
Name: | olp_AssetAcquisitionsMeasurementInputMarketCapitalizationRate
Namespace Prefix: | olp_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-4 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 15 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480123/805-50-15-3 + Details
Name: | us-gaap_AssetAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of net assets (liabilities). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 30 -Topic 205 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479910/205-30-50-1 + Details
Name: | us-gaap_AssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
Name: | us-gaap_BelowMarketLeaseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-1 + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 360 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478451/942-360-50-1 + Details
Name: | us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=olp_RealEstateAcquisitionsIn2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=olp_Amazon.comServicesIndustrialPropertyWichitaKansasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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