XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Sale of Properties and Properties Held-for-Sale (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Sale of Properties and Properties Held-for-Sale |
Schedule of sale of real estate property | The following chart details the Company’s sales of real estate during the six months ended June 30, 2017 and 2016 (amounts in thousands):
Description of Property |  | Date Sold |  | Gross Sales Price |  | Gain on Sale of Real Estate, Net |
Retail property, Greenwood Village, Colorado |  | May 8, 2017 |  | $ | 9,500 |  | $ | 6,568 |
Portfolio of eight retail properties, Louisiana and Mississippi |  | February 1, 2016 |  | $ | 13,750 |  | $ | 787 |
Retail property, Killeen, Texas |  | May 19, 2016 |  | 3,100 |  | 980 |
Land, Sandy Springs, Georgia |  | June 15, 2016 |  | 8,806 |  | 2,278 |
Industrial property, Tomlinson, Pennsylvania |  | June 30, 2016 |  | 14,800 |  | 5,660 |
Totals — six months ended June 30, 2016 |  |  |  | $ | 40,456 |  | $ | 9,705 |

X
- Definition Tabular disclosure of sale of real estate property during the period. + References No definition available. + Details
Name: | olp_ScheduleOfSaleOfRealEstatePropertyTableTextBlock
Namespace Prefix: | olp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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