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Share-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
 
Stock Option Valuation Assumptions
Expected Dividend
—

Expected volatility
69.3
%
Risk-free interest rate
1.42
%
Expected life of stock option awards (in years)
5

Weighted average grant-date fair value
$
13.42
Restricted stock activity
The following table represents restricted stock award activity for the period of April 23, 2016 through June 30, 2016 (successor):
 
Shares
 
Grant Price
Restricted shares outstanding, beginning of period (successor)
—

 
$
—

Restricted shares granted
254,905

 
$
23.25

Restricted shares canceled
—

 
$
—

Restricted shares vested
—

 
—

Restricted shares outstanding, end of period (successor)

254,905

 
$
23.25