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Income Taxes - Federal Statutory Income Tax Rate Reconciliation (Details) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Abstract] |  |  |
Federal statutory rate | 35.00% | 35.00% | 35.00%
State income taxes, net of federal benefit | 5.00% | 5.00% | 5.00%
Effective Income Tax Rate Reconciliation, Remeasurement of Deferred Taxes, Percent | (6.00%) | (0.00%) | (0.00%)
Domestic manufacturing deduction | (3.00%) | (3.00%) | (3.00%)
Excess tax benefits | (3.00%) | (3.00%) | 0.00%
Other | (1.00%) | (1.00%) | (1.00%)
Total | 27.00% | 33.00% | 36.00%

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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