XML 42 R28.htm IDEA: XBRL DOCUMENT
v3.26.1

SALES OF PROPERTIES, PROPERTY HELD-FOR-SALE AND IMPAIRMENT LOSS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2026
SALES OF PROPERTIES, PROPERTY HELD-FOR-SALE AND IMPAIRMENT LOSS |
Schedule of sales of real estate | The following table details the Company’s sales of real estate during the six months ended June 30, 2026 and 2025 (amounts in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Gross | ​ | Gain on Sale of | ​
Description of Property | ​ | City, State | ​ | Date Sold | ​ | Sales Price | ​ | Real Estate, Net | ​
Vacant retail property | ​ | Cary, North Carolina | ​ | March 13, 2026 | ​ | $ | 6,000 | ​ | $ | 2,518 | ​
Havertys retail property | ​ | Newport News, Virginia | ​ | March 31, 2026 | ​ | ​ | 4,200 | ​ | ​ | 1,358 | ​
Advance Auto Parts retail property | ​ | South Euclid, Ohio | ​ | April 16, 2026 | ​ | ​ | 1,483 | ​ | ​ | 118 | ​
Multi-tenant retail property | ​ | Champaign, Illinois | ​ | May 5, 2026 | ​ | ​ | 7,498 | ​ | ​ | 3,326 | ​
Multi-tenant retail property | ​ | El Paso, Texas | ​ | June 1, 2026 | ​ | ​ | 17,500 | ​ | ​ | 9,989 | ​
Totals for the six months ended June 30, 2026 | $ | 36,681 | (a) | $ | 17,309 | (b)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Land and improvements (c) | ​ | Lakewood, Colorado | ​ | January 16, 2025 | ​ | $ | 400 | ​ | $ | (44) | (c)
Hooters restaurant property | ​ | Concord, North Carolina | ​ | January 21, 2025 | ​ | ​ | 3,253 | ​ | ​ | 1,154 | ​
Multi-tenant retail stores (c) | ​ | Lakewood, Colorado | ​ | June 23, 2025 | ​ | ​ | 17,900 | ​ | ​ | 3,276 | (c)
Total Wine retail property | ​ | Greensboro, North Carolina | ​ | June 25, 2025 | ​ | ​ | 4,709 | ​ | ​ | 2,232 | ​
La-Z-Boy retail property | ​ | Gurnee, Illinois | ​ | June 27, 2025 | ​ | ​ | 4,368 | ​ | ​ | 1,023 | ​
Totals for the six months ended June 30, 2025 | $ | 30,630 | (d) | $ | 7,641 | (e)
(a) | In connection with these sales, the Company paid off mortgages in an aggregate of $9,066.
(b) | As a result of these sales, the Company wrote-off, as a reduction to Gain on sale of real estate, net, an aggregate of $414 of unbilled rent receivables, $172 of net unamortized intangible lease assets and liabilities and $276 of other assets and receivables.
(c) | These parcels were part of a property which was owned by a consolidated joint venture in which the Company held a 90% interest. The non-controlling interest’s share of the net gain on these sales was $968.
(d) | In connection with these sales, the Company paid off a $5,808 mortgage.
(e) | As a result of these sales, the Company wrote-off, as a reduction to Gain on sale of real estate, net, an aggregate of $620 of unbilled rent receivables, $16 of net unamortized intangible lease assets and liabilities and $527 of other assets and receivables.
​

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: | dtr-types: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