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Benefit Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Defined Contribution Plan Disclosure [Line Items]      
Maximum annual contribution per employee 100.00%    
Vesting period for company contributions 5 years    
Employer contribution amount $ 3.1 $ 4.2 $ 2.0
Minimum      
Defined Contribution Plan Disclosure [Line Items]      
Vesting period until participation in 401(k) 6 months    
First Cash      
Defined Contribution Plan Disclosure [Line Items]      
Employer matching contribution 5.00%    
Rate of employer match 50.00%