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Income Taxes - Open Tax Years (Details) | 12 Months Ended
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Dec. 31, 2017
Domestic Tax Authority | Earliest Tax Year |
Income Taxes [Line Items] |
Open tax year | 2014
Domestic Tax Authority | Latest Tax Year |
Income Taxes [Line Items] |
Open tax year | 2017
State and Local Jurisdiction | Earliest Tax Year |
Income Taxes [Line Items] |
Open tax year | 2013
State and Local Jurisdiction | Latest Tax Year |
Income Taxes [Line Items] |
Open tax year | 2017

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- Definition [Line Items] for Income Taxes [Table] + References No definition available. + Details
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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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- Details
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