Income Taxes - Reconciliation of the Federal Statutory Income Tax Rate to the Company's Effective Tax Rate (Details)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract]
Statutory Federal income tax rate	35.00%	35.00%	35.00%
State income taxes - net of Federal tax benefit	7.00%	0.20%	(4.50%)
Foreign tax rate differential	(0.70%)	(2.40%)	1.80%
Domestic production deduction	(7.60%)	(4.00%)	(6.60%)
Non-deductible expenses	6.50%	4.90%	7.00%
Asset impairment	26.00%	0.00%	0.00%
Changes in unrecognized tax benefits	(1.90%)	(1.80%)	(2.50%)
Foreign tax incentives	(5.00%)	(2.30%)	(3.00%)
Valuation allowances	23.00%	4.80%	9.00%
Other	(1.40%)	1.30%	0.20%
Effective tax rate for the year	80.90%	35.70%	36.40%

Effective income tax rate reconciliation asset impairment.

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Effective income tax rate reconciliation, changes in unrecognized tax benefits.

+ References

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Effective income tax rate reconciliation foreign tax incentives.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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