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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019
Operating Loss Carryforwards [Line Items] |  |
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | $ 4.5 |
Minimum |  |
Operating Loss Carryforwards [Line Items] |  |
Open Tax Year |  | 2015
Internal Revenue Service (IRS) |  |
Operating Loss Carryforwards [Line Items] |  |
Income Tax Examination, Year under Examination |  | 2016
New York State Division of Taxation and Finance | Minimum |  |
Operating Loss Carryforwards [Line Items] |  |
Income Tax Examination, Year under Examination |  | 2014

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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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