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Shareholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2018
Stockholders' Equity Note [Abstract]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan The Company recognized stock-based compensation expense in its Consolidated Financial Statements in the three months ended March 31, 2018 and 2017, respectively, as follows: 
 
Three Months Ended March 31,
 
2018
 
2017
Stock-based compensation expense
$
5,195

 
$
6,180

Less: Deferred tax benefit
(1,103
)
 
(2,153
)
Stock-based compensation expense, net of tax
$
4,092

 
$
4,027