Stockholders' Equity - PSU Awards (Details)	6 Months Ended
	Jun. 30, 2018 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Period in the beginning of each year to award PSU's	90 days
Performance period	3 years
2018 Three year PSU Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
PSU awards performance period	3 years
Target level for the determination of performance goals and measures for adjusted EBITDA goal	34.00%
Weighted average return on total shareholders, EBITDA	33.00%
Weighted average net sales compound average growth rate On Capital	33.00%
2018 Three year PSU Awards | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares to be issued as percentage of target shares under performance incentive plan	0.00%
2018 Three year PSU Awards | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares to be issued as percentage of target shares under performance incentive plan	200.00%
2015 Three year PSU Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
PSU awards performance period	3 years
Shares to be issued as percentage of target shares under performance incentive plan	73.30%
Shares to be issued under performance incentive plan (in shares)	129,139
2014 Special PSU Awards | First tranche
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares to be issued under performance incentive plan (in shares)	658,783