XML 97 R84.htm IDEA: XBRL DOCUMENT v3.22.4

OTHER INCOME - Insurance Recoveries on Hurricane Casualty (Details) - USD ($)	12 Months Ended			14 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 28, 2022
Insurance Recoveries on Hurricane Casualty
Casualty loss, insurance recovery proceeds received, classified as investing activities	$ 918,000	$ 975,000	$ 150,000
Real Estate in Lake Charles, LA
Insurance Recoveries on Hurricane Casualty
Amount of insurance deductible			263,000
Casualty loss, insurance recovery proceeds received, classified as investing activities				$ 2,306,000
Losses in rental income				$ 259,000
Gain on insurance recoveries	$ 918,000	$ 695,000	$ 430,000

X

- Definition

The amount of insurance deductible for which the Company is responsible and will be a reduction of the total insurance claim amount to be received.

+ References

No definition available.

+ Details

Name:	olp_InsuranceDeductiblePerClaim
Namespace Prefix:	olp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	olp_InsuranceRecoveriesOnHurricaneCasualtyAbstract
Namespace Prefix:	olp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of loss in rental income from casualty

+ References

No definition available.

+ Details

Name:	olp_LossInRentalIncomeFromCasualty
Namespace Prefix:	olp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of gain recognized related to an insurance settlement and classified as other non-operating income.

+ References

No definition available.

+ Details

Name:	olp_OtherNonoperatingIncomeGainFromInsuranceSettlement
Namespace Prefix:	olp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21B
-URI https://asc.fasb.org/extlink&oid=126954810&loc=SL94080549-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromInsuranceSettlementInvestingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=olp_LakeCharlesLAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: