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Income Taxes (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2018 Rate	Sep. 30, 2017 Rate	Sep. 30, 2018 Rate	Sep. 30, 2017 Rate
Effective Income Tax Rate Reconciliation, Percent	21.02%	24.80%	21.35%
Projected Annual Effective Tax Rate			21.50%	22.00%
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent	100000000.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			35.00%
US Federal Corporate Income Tax Rate			21.00%

X

- Definition

The percentage used for the provision for taxes before non-recurring discrete tax items.

+ References

No definition available.

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- Definition

The enacted U.S. federal corporate income tax rate after the issuance of the Tax Cuts and Jobs Act.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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- Definition

Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments.

+ References

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