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Capital Stock and Share-Based Compensation - Additional Information (Details) - USD ($)
12 Months Ended 63 Months Ended
Dec. 31, 2018
Mar. 30, 2016
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2018
Oct. 31, 2018
May 31, 2014
Oct. 31, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Repurchase of common stock     $ 5,850,000 $ 370,000 $ 1,634,000        
Share-based compensation expense recognized     7,714,000 5,493,000 4,293,000        
Unrecognized stock-based compensation expense $ 13,100,000   13,100,000     $ 13,100,000      
Unrecognized stock-based compensation expense, weighted-average recognition period 2 years 2 months 26 days                
Deferred Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Share-based compensation expense recognized     $ 500,000 $ 500,000 $ 500,000        
2010 Incentive Award Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Maximum number of shares to be issued               4,398,613  
Incentive plan and award expiration date     Apr. 09, 2024            
Shares available for future issuance 950,865   950,865     950,865      
2010 Incentive Award Plan | Restricted Stock Units and Deferred Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Total value of restricted stock and deferred stock units vested     $ 10,500,000            
2010 Incentive Award Plan | EPS Performance-based Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting period     3 years            
2010 Incentive Award Plan | TSR Performance-based Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting period     3 years            
2010 Incentive Award Plan | Stock Options                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting period     3 years            
Stock options, Granted   193,000 0            
Stock options, Expiration Period   10 years              
Stock options, Exercised     0            
Minimum | 2010 Incentive Award Plan | Restricted Stock Units (RSUs)                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting period     3 years            
Minimum | 2010 Incentive Award Plan | EPS Performance-based Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Range of percentage of shares to be issued upon settlement following vesting of target number of shares     0.00%            
Minimum | 2010 Incentive Award Plan | TSR Performance-based Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Range of percentage of shares to be issued upon settlement following vesting of target number of shares     0.00%            
Maximum | 2010 Incentive Award Plan | Restricted Stock Units (RSUs)                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Vesting period     5 years            
Maximum | 2010 Incentive Award Plan | EPS Performance-based Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Range of percentage of shares to be issued upon settlement following vesting of target number of shares     200.00%            
Maximum | 2010 Incentive Award Plan | TSR Performance-based Restricted Stock Units                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Range of percentage of shares to be issued upon settlement following vesting of target number of shares     200.00%            
2013 Repurchase Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Shares repurchased     89,000     385,000      
Repurchase of common stock     $ 5,900,000     $ 10,000,000      
Shares repurchased, average cost per share     $ 65.43     $ 25.97      
2013 Repurchase Plan | Maximum                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Common stock repurchase program authorized amount                 $ 10,000,000
2018 Repurchase Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Common stock repurchase program authorized amount             $ 25,000,000    
Shares repurchased     0