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Basis of Presentation and Significant Accounting Policies (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Jan. 01, 2017
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Deferred tax asset increase | $ 18,270 |
Accounting Standards Update 2016-09 |  |
Deferred tax asset increase |  | $ 1,500
Retained Earnings | Accounting Standards Update 2016-09 |  |
Retained earnings increase |  | $ 1,500

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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