Fair Value Disclosures (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets:
Available for sale securities	$ 7,247	$ 7,220
Interest rate swap agreements	3	181
Foreign currency exchange contracts	386	292
Assets:	7,636	7,693
Liabilities:
Interest rate swap agreements	698
Foreign currency exchange contracts		412
Liabilities:	698	412
Quoted prices in active markets for identical assets (level 1)
Assets:
Available for sale securities	7,247	7,220
Interest rate swap agreements	0	0
Foreign currency exchange contracts	0	0
Assets:	7,247	7,220
Liabilities:
Interest rate swap agreements	0
Foreign currency exchange contracts		0
Liabilities:	0	0
Significant other observable inputs (level 2)
Assets:
Available for sale securities	0	0
Interest rate swap agreements	3	181
Foreign currency exchange contracts	386	292
Assets:	389	473
Liabilities:
Interest rate swap agreements	698
Foreign currency exchange contracts		412
Liabilities:	698	412
Significant unobservable inputs (level 3)
Assets:
Available for sale securities	0	0
Interest rate swap agreements	0	0
Foreign currency exchange contracts	0	0
Assets:	0	0
Liabilities:
Interest rate swap agreements	0
Foreign currency exchange contracts		0
Liabilities:	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

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Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

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Fair value of financial and nonfinancial obligations.

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