XML 33 R20.htm IDEA: XBRL DOCUMENT v3.19.2

Common Stock Cash Dividend	6 Months Ended
	Jun. 30, 2019
Common Stock Cash Dividend
Common Stock Cash Dividend	Note 11 – Common Stock Cash Dividend On June 13, 2019, the Board of Directors declared a quarterly cash dividend of $.45 per share on the Company’s common stock, totaling approximately $8,923,000. The quarterly dividend was paid on July 9, 2019 to stockholders of record on June 25, 2019.

X

- Definition

This element represents the disclosure in respect of the quarterly cash dividend that is declared on common stock.

+ References

No definition available.

+ Details

Name:	olp_CommonStockDividendDistributionDisclosureTextBlock
Namespace Prefix:	olp_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DividendsCommonStockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration