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Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2018
Revenue From Contract With Customer [Abstract] |
Summarize Activity of the Net Product Revenue Allowance and Reserve Categories | The following tables summarize activity in each of the net product revenue allowance and reserve categories described above for the six months ended June 30, 2018 and 2017:
In thousands |  | Trade Allowances |  |  | Rebates, Chargebacks and Discounts |  |  | Product Returns |  |  | Other Incentives |  |  | Total |
Balance as of December 31, 2017 |  | $ | 12,035 |  |  | $ | 32,064 |  |  | $ | 1,887 |  |  | $ | 2,107 |  |  | $ | 48,093 |
Provision related to current period sales |  |  | 19,077 |  |  |  | 78,051 |  |  |  | 491 |  |  |  | 9,234 |  |  |  | 106,853 |
Provision related to prior period sales |  |  | (400 | ) |  |  | (836 | ) |  |  | — |  |  |  | (69 | ) |  |  | (1,305 | )
Credits/payments made for current period sales |  |  | (9,097 | ) |  |  | (40,547 | ) |  |  | — |  |  |  | (6,533 | ) |  |  | (56,177 | )
Credits/payments made for prior period sales |  |  | (5,282 | ) |  |  | (27,028 | ) |  |  | (40 | ) |  |  | (2,297 | ) |  |  | (34,647 | )
Balance as of June 30, 2018 |  | $ | 16,333 |  |  | $ | 41,704 |  |  | $ | 2,338 |  |  | $ | 2,442 |  |  | $ | 62,817 |
In thousands |  | Trade Allowances |  |  | Rebates, Chargebacks and Discounts |  |  | Product Returns |  |  | Other Incentives |  |  | Total |
Balance as of December 31, 2016 |  | $ | 3,743 |  |  | $ | 20,915 |  |  | $ | 859 |  |  | $ | 1,681 |  |  | $ | 27,198 |
Provision related to current period sales |  |  | 15,685 |  |  |  | 53,078 |  |  |  | 1,259 |  |  |  | 6,768 |  |  |  | 76,790 |
Provision related to prior period sales |  |  | (298 | ) |  |  | (841 | ) |  |  | — |  |  |  | (82 | ) |  |  | (1,221 | )
Credits/payments made for current period sales |  |  | (5,496 | ) |  |  | (34,771 | ) |  |  | (21 | ) |  |  | (4,922 | ) |  |  | (45,210 | )
Credits/payments made for prior period sales |  |  | (3,107 | ) |  |  | (16,722 | ) |  |  | (24 | ) |  |  | (1,770 | ) |  |  | (21,623 | )
Balance as of June 30, 2017 |  | $ | 10,527 |  |  | $ | 21,659 |  |  | $ | 2,073 |  |  | $ | 1,675 |  |  | $ | 35,934 |

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- Definition Summary of net product revenue valuation allowances. + References No definition available. + Details
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- References No definition available. + Details
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