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Major Customers and Concentration of Credit Risk (Details) | 12 Months Ended
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Dec. 31, 2016 item division | Dec. 31, 2015
Major customers and concentration of credit risk |  |
Percentage of concentration risk (as a percent) | 10.00% |
Largest customer |  |
Major customers and concentration of credit risk |  |
Number of divisions | division | 2 |
Credit concentration risk |  |
Major customers and concentration of credit risk |  |
Excess cash balance, number of high credit quality financial institution | item | 1 |
Net sales | Customer concentration risk | Largest customer |  |
Major customers and concentration of credit risk |  |
Percentage of concentration risk (as a percent) | 24.00% | 27.00%
Net sales | Customer concentration risk | Division one of largest customer |  |
Major customers and concentration of credit risk |  |
Percentage of concentration risk (as a percent) | 20.00% | 18.00%
Net sales | Customer concentration risk | Division two of largest customer |  |
Major customers and concentration of credit risk |  |
Percentage of concentration risk (as a percent) | 4.00% | 9.00%
Accounts receivable | Largest customer |  |
Major customers and concentration of credit risk |  |
Percentage of concentration risk (as a percent) | 14.00% | 17.00%

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- Definition Represents the number of divisions related to concentration risk. + References No definition available. + Details
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- Definition Represents the number of high credit quality financial institution with whom excess cash balances are maintained for checking accounts. + References No definition available. + Details
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- 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. + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
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