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Employee Benefit Plans (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Nov. 30, 2019
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Document Period End Date   Dec. 31, 2019
Performance Shares [Member] | November Two Thousand Nineteen Grant [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
RSUs granted in the period 360,000  
Award vesting period 3 years  
Fair value of equity awards on the date of grant (in US$ per unit) $ 52.54  
Compensation expense   $ 2.1
Performance Shares [Member] | November Two Thousand Nineteen Grant [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage of total units granted that vest in the period 0.00%  
Performance Shares [Member] | November Two Thousand Nineteen Grant [Member] | Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage of total units granted that vest in the period 200.00%  
Restricted Stock Units (RSUs) [Member] | November Two Thousand Nineteen Grant [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting period 3 years