XML 68 R16.htm IDEA: XBRL DOCUMENT
v2.4.1.9

INVESTMENT IN UNCONSOLIDATED JOINT VENTURES AND SALES OF JOINT VENTURE PROPERTIES | 12 Months Ended
--- | ---
Dec. 31, 2014
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES AND SALES OF JOINT VENTURE PROPERTIES |
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES AND SALES OF JOINT VENTURE PROPERTIES | NOTE 6—INVESTMENT IN UNCONSOLIDATED JOINT VENTURES AND SALES OF JOINT VENTURE PROPERTIES At December 31, 2014 and 2013, the Company had investments in five unconsolidated joint ventures, each of which owned and operated one property. The Company's equity investment in such unconsolidated joint ventures at such dates totaled $4,907,000 and $4,906,000, respectively. In addition to the $2,807,000 gain on the sale of a tenant-in-common property in 2013, the Company recorded equity in earnings of $533,000, $651,000 and $1,368,000 for the years ended December 31, 2014, 2013, and 2012, respectively. Additionally, in April 2013, the Company sold its 90% equity interest in a joint venture recorded a gain of $1,898,000, which is included in the accompanying consolidated statement of income for the year ended December 31, 2013.

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

X
- Definition This item represents disclosure of information related to investments in unconsolidated joint ventures. + References No definition available. + Details
Name: | olp_InvestmentsInUnconsolidatedJointVentureTextBlock
Namespace Prefix: | olp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration