Stock-Based Compensation and Stock Awards	9 Months Ended
Sep. 30, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation and Stock Awards	5. Stock-Based Compensation and Stock Awards During the three and nine months ended September 30, 2019, the Company recognized approximately $7.7 million and $15.7 million, respectively, of stock-based compensation expense, which includes approximately $1.8 million related to accelerated vesting of restricted stock awards and approximately $2.4 million related to continued vesting of performance share units pursuant to a separation agreement with our former Chief Operating Officer entered into during the first quarter of 2019. We recognized an additional $4.3 million stock-based compensation expense for the three months ended September 30, 2019 related to the 2016 performance share unit awards, which exceeded performance metrics criteria for a 200% payout. The stock-based compensation is included in "Selling, general and administrative" in our accompanying condensed consolidated statements of income (loss) and "Additional paid-in capital" in our accompanying condensed consolidated balance sheets, compared to $2.4 million and $10.0 million recognized for the three and nine months ended September 30, 2018, respectively. No stock-based compensation expense was capitalized during the three and nine months ended September 30, 2019 or 2018.

Stock-Based Compensation and Stock Awards

9 Months Ended

Sep. 30, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation and Stock Awards

5. Stock-Based Compensation and Stock Awards

During the three and nine months ended September 30, 2019, the Company recognized approximately $7.7 million and $15.7 million, respectively, of stock-based compensation expense, which includes approximately $1.8 million related to accelerated vesting of restricted stock awards and approximately $2.4 million related to continued vesting of performance share units pursuant to a separation agreement with our former Chief Operating Officer entered into during the first quarter of 2019. We recognized an additional $4.3 million stock-based compensation expense for the three months ended September 30, 2019 related to the 2016 performance share unit awards, which exceeded performance metrics criteria for a 200% payout. The stock-based compensation is included in "Selling, general and administrative" in our accompanying condensed consolidated statements of income (loss) and "Additional paid-in capital" in our accompanying condensed consolidated balance sheets, compared to $2.4 million and $10.0 million recognized for the three and nine months ended September 30, 2018, respectively. No stock-based compensation expense was capitalized during the three and nine months ended September 30, 2019 or 2018.