Organization And Summary Of Significant Accounting Policies (Schedule Of Basic Weighted Average Shares) (Details) - shares	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Organization And Summary Of Significant Accounting Policies Schedule Of Basic Weighted Average Shares
Basic weighted average shares outstanding	46,463,365	47,033,670
Dilutive options
Diluted weighted average shares outstanding	46,463,365	47,033,670

No definition available.

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of outstanding written put options using the reverse treasury stock method.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Section 50
-Paragraph 1
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-Publisher FASB
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-Section 45
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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Paragraph 1
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