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Stockholders' Equity - Schedule of Stock Options Outstanding, by Exercise Price Range (Details)
12 Months Ended
Dec. 31, 2018
$ / shares
shares
$0.00 - 30.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Price, Lower Limit $ 0.00
Range of Exercise Price, Upper Limit 30.00
$30.01 - 40.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Price, Lower Limit 30.01
Range of Exercise Price, Upper Limit 40.00
Over $40.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Price, Lower Limit $ 40.00
Options  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Shares | shares 161,807
Wtd. Avg. Remaining Contractual Life 6 years 168 days
Wtd. Avg. Exercise Price (in dollars per share) $ 38.08
Options | $0.00 - 30.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Shares | shares 47,579
Wtd. Avg. Remaining Contractual Life 4 years 172 days
Wtd. Avg. Exercise Price (in dollars per share) $ 24.93
Options | $30.01 - 40.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Shares | shares 71,684
Wtd. Avg. Remaining Contractual Life 6 years 84 days
Wtd. Avg. Exercise Price (in dollars per share) $ 39.43
Options | Over $40.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Shares | shares 42,544
Wtd. Avg. Remaining Contractual Life 7 years 266 days
Wtd. Avg. Exercise Price (in dollars per share) $ 50.51