XML 22 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investment in Unconsolidated Joint Ventures (Details) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2013 property | Sep. 30, 2012 | Sep. 30, 2013 property item | Sep. 30, 2012 | Dec. 31, 2012 item property | Apr. 16, 2013 Unconsolidated JV in Plano, Texas | Feb. 28, 2013 Unconsolidated JV in Plano, Texas | Feb. 29, 2012 Unconsolidated JV in Plano, Texas | Sep. 30, 2013 Unconsolidated JV in Los Angeles, California
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |  |  |  |
Number of unconsolidated joint ventures |  |  | 5 |  | 7 |  |  |  |
Number of properties owned and operated by each unconsolidated joint venture | 1 |  | 1 |  | 1 |  |  |  |
Investment in unconsolidated joint ventures | $ 4,984,000 |  | $ 4,984,000 |  | $ 19,485,000 |  |  |  |
Gain on sale of properties |  |  | 4,705,000 |  |  |  |  |  |
Number of properties sold |  |  | 2 |  |  |  |  |  |
Equity in earnings of unconsolidated joint ventures | 122,000 | 268,000 | 513,000 | 1,015,000 |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |  |  |  |
Ownership percentage in variable interest entity |  |  |  |  |  |  | 90.00% | 90.00% |
Ownership percentage in variable interest entity of other party |  |  |  |  |  |  |  | 10.00% |
Amount contributed by other party |  |  |  |  |  |  |  | 1,500,000 |
Gain from contribution of property to joint venture |  |  |  | 319,000 |  |  |  | 319,000 |
Gain on disposition of real estate - unconsolidated joint venture |  |  | 2,807,000 |  |  |  |  |  | 2,807,000
Proceeds before cost of sale from disposition of unconsolidated joint venture interest |  |  |  |  |  |  | 13,500,000 |  |
Net proceeds from disposition of unconsolidated joint venture property |  |  |  |  |  |  |  |  | 4,630,000
Gain on sale of equity interest in the joint venture |  |  |  |  |  | 1,898,000 |  |  |
Sale price of real estate sold in unconsolidated joint venture |  |  |  |  |  |  |  |  | 25,000,000
Entity share in sale price of real estate sold in unconsolidated joint venture |  |  |  |  |  |  |  |  | 12,500,000
Mortgage prepayment penalty |  |  |  |  |  |  |  |  | $ 148,000

X
- Definition Represents the entity share in sale price of real estate sold in unconsolidated joint venture. + References No definition available. + Details
Name: | olp_EntityShareInSalePriceOfRealEstateSoldInUnconsolidatedJointVenture
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the pro rata share of the amount of gain or loss resulting from sale of property by unconsolidated joint venture. + References No definition available. + Details
Name: | olp_GainLossOnDispositionOfRealEstateInUnconsolidatedJointVenture
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | olp_InvestmentsInUnconsolidatedJointVenturesAbstract
Namespace Prefix: | olp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the other joint venture partner. + References No definition available. + Details
Name: | olp_JointVenturePartnerInterestInVariableInterestEntity
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of mortgage prepayment penalty. + References No definition available. + Details
Name: | olp_MortgagePrepaymentPenalty
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the number of properties owned and operated by each unconsolidated joint venture. + References No definition available. + Details
Name: | olp_NumberOfPropertiesOwnedAndOperatedByEachUnconsolidatedJointVenture
Namespace Prefix: | olp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of properties sold by the entity. + References No definition available. + Details
Name: | olp_NumberOfPropertiesSold
Namespace Prefix: | olp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of unconsolidated joint ventures of the entity. + References No definition available. + Details
Name: | olp_NumberOfUnconsolidatedJointVentures
Namespace Prefix: | olp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents proceeds before cost of sale from disposition of unconsolidated joint venture interest. + References No definition available. + Details
Name: | olp_ProceedsBeforeCostOfSaleFromDivestitureOfInterestInJointVenture
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the sale of real estate in an unconsolidated joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting. + References No definition available. + Details
Name: | olp_ProceedsFromSaleOfRealEstateInUnconsolidatedJointVenture
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sale price of real estate sold in unconsolidated joint venture. + References No definition available. + Details
Name: | olp_SalePriceOfRealEstateSoldInUnconsolidatedJointVenture
Namespace Prefix: | olp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the joint venture partner. + References No definition available. + Details
Name: | olp_VariableInterestEntityOwnershipPercentageOfJointVenturePartner
Namespace Prefix: | olp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnSaleOfInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_GainLossOnSaleOfProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Subparagraph d -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 13 -Subparagraph g -Chapter V -Subsection II -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 6 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 19 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.12) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7880789&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration