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Investments In Securities (Schedule of Other Investments) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Other Equity Investments
Beginning of period	$ 5,439	$ 4,744
Amounts Impaired	0	0
Observable Changes	0	0
Purchases and Additional Commitments Paid	552	1,082
Sales, Returns of Capital and Other Reductions	(240)	(387)
End of period	$ 5,751	$ 5,439

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Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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