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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 01, 2016
Mar. 31, 2016
Jun. 30, 2015
Recent Accounting Pronouncements      
Excess tax benefit of stock-based compensation, financing activities     $ 461
Accounting Standards Update 2016-09 | Adjustments for New Accounting Principle, Early Adoption      
Recent Accounting Pronouncements      
Effect of share-based compensation of excess tax benefit in provision for income taxes $ 100    
Excess tax benefit of stock-based compensation, operating activities   $ (100)  
Excess tax benefit of stock-based compensation, financing activities   $ (100)  
Accounting Standards Update 2016-09 | Adjustments for New Accounting Principle, Early Adoption | Maximum      
Recent Accounting Pronouncements      
Cumulative effect adjustment to retained earnings for increase to stock compensation expense $ (100)