XML 75 R65.htm IDEA: XBRL DOCUMENT v3.23.3

OTHER INCOME - Insurance Recoveries on Hurricane Casualty (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022
Insurance Recoveries on Hurricane Casualty
Casualty loss, insurance recovery proceeds received, classified as investing activities			$ 918,000
Other income
Insurance Recoveries on Hurricane Casualty
Gain on insurance recoveries	$ 0	$ 0	$ 918,000

X

- References

No definition available.

+ Details

Name:	olp_InsuranceRecoveriesOnHurricaneCasualtyAbstract
Namespace Prefix:	olp_
Data Type:	xbrli:stringItemType
Balance Type:	na
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
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 21B
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-21B

+ Details

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

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=olp_OtherNonoperatingIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: