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Performance-Based Common Stock Warrants - Fair Value Assumptions (Details) - Common Stock Purchase Warrant
12 Months Ended
Dec. 31, 2016
$ / shares
Class of Warrant or Right [Line Items]  
Fair value (in dollars per share) $ 30.88
Price of Universal Electronics Inc. common stock (in dollars per share) $ 65.78
Risk-free interest rate 2.09%
Expected volatility 39.30%
Expected life in years 6 years