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Organization and Summary of Significant Accounting Policies (Details)
$ in Millions
Jan. 01, 2017
USD ($)
Accounting Standards Update 2016-09, Forfeiture Rate Component | Retained Earnings  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Cumulative effect of new accounting principle $ (1.0)
New Accounting Pronouncement, Early Adoption, Effect | Accounting Standards Update 2016-09  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Increase to long-term income tax 1.8
New Accounting Pronouncement, Early Adoption, Effect | Accounting Standards Update 2016-09 | Retained Earnings  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Cumulative effect of new accounting principle $ 1.8