Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liabilities	(1,646)us-gaap_DerivativeLiabilities	$ (755)us-gaap_DerivativeLiabilities
Minimum
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Maturity of Bank Acceptances	3 months
Maximum
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Maturity of Bank Acceptances	6 months
Fair Value, Measurements, Recurring \| Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	460	543
Derivative Liabilities	(1,646)	(755)
Bank acceptances	10,785	6,461
Rabbi Trust Asset Fair Value Disclosure	2,092	1,975
Fair value net asset (liability)	11,691	8,224
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	0	0
Derivative Liabilities	0	0
Bank acceptances	0	0
Rabbi Trust Asset Fair Value Disclosure	2,092	1,975
Fair value net asset (liability)	2,092	1,975
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	460	543
Derivative Liabilities	(1,646)	(755)
Bank acceptances	10,785	6,461
Rabbi Trust Asset Fair Value Disclosure	0	0
Fair value net asset (liability)	9,599	6,249
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	0	0
Derivative Liabilities	0	0
Bank acceptances	0	0
Rabbi Trust Asset Fair Value Disclosure	0	0
Fair value net asset (liability)	0	$ 0

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- Definition

The fair values as of the Balance Sheet date of Rabbi Trust Assets.

+ References

No definition available.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ 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)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

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-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226008-175313

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Amounts receivable from customers on short-term negotiable time drafts drawn on and accepted by the institution (also known as banker's acceptance transactions) that are outstanding on the reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.9)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

-Article 9

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- Definition

Fair value of asset after deduction of liability.

+ References

No definition available.

+ Details

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