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Supplemental Disclosure of Cash Flow Information (Narrative) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Supplemental Disclosure Of Cash Flow Information [Line Items]
Interest Paid, Total	$ 1,423,000	$ 1,318,000
Income Taxes Paid	2,500,000	4,550,000
Noncash or Part Noncash Acquisition, Value of Assets Acquired, Total	694,000	501,000
Proceeds from Sale of Other Assets	$ 729,000	$ 981,000

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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-Publisher FASB
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-Section 45
-Paragraph 25
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The amount of cash paid for interest during the period.

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The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586

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Amount of cash inflow from the sale of other assets as part of operating activities.

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-Name Accounting Standards Codification
-Topic 230
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-Section 45
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