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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Allowance for Doubtful Accounts [Member] |  |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at Beginning of Period |  | $ 318 | $ 191 | $ 120
Charged to Costs and Expenses |  | 207 | 133 | 135
Deductions | [1] | 0 | (6) | (64)
Balance at End of Period |  | 525 | 318 | 191
Allowance for Ship and Debit Credits [Member] |  |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at Beginning of Period |  | 34,415 | 27,425 | 28,696
Charged to Costs and Expenses |  | 262,501 | 195,669 | 177,260
Deductions | [2] | (258,841) | (188,679) | (178,531)
Balance at End of Period |  | $ 38,075 | $ 34,415 | $ 27,425
[1] | (1) Deductions relate to amounts written off against the allowance for doubtful accounts.
[2] | Deductions relate to ship and debit credits issued which adjust the sell-in price from the standard distribution price to the pre-approved lower price. Refer to Note 2, Summary of Significant Accounting Policies, for the Company’s revenue recognition policy, including the Company’s accounting for ship and debit claims.

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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