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Concentration of Risk, Segment and Geographic Information - Additional Information 1 (Details) - Customer Concentration Risk [Member] - Customer | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenues [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Number of major customers | 1 | 2 | 3
Revenues [Member] | Customer 1 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 67.00% | 51.00% | 43.00%
Revenues [Member] | Customer 2 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) |  | 28.00% | 26.00%
Revenues [Member] | Customer 3 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) |  |  | 20.00%
Accounts Receivable [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Number of major customers | 4 | 3 |
Accounts Receivable [Member] | Customer 1 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 39.00% | 44.00% |
Accounts Receivable [Member] | Customer 2 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 25.00% | 34.00% |
Accounts Receivable [Member] | Customer 3 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 18.00% | 12.00% |
Accounts Receivable [Member] | Customer 4 [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage (in hundredths) | 10.00% |  |

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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=51801978&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=49121117&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=51801978&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=49121117&loc=d3e13537-108611 + Details
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