Annual report pursuant to Section 13 and 15(d)

Management Incentive Plans (Details Textual)

v3.8.0.1
Management Incentive Plans (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
Aug. 30, 2017
Jul. 19, 2016
Dec. 31, 2016
Jul. 19, 2016
Dec. 31, 2017
Dec. 31, 2015
Jul. 20, 2016
Jul. 20, 2006
Share-based Compensation $ 1,700   $ 0   $ 1,656      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition         1 year 8 months 16 days      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options         $ 2,300      
Predecessor [Member]                
Share-based Compensation   $ 1,500   $ 1,349        
Predecessor [Member] | Unvested Option [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares             440,000  
Predecessor [Member] | Vested Option [Member]                
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares Outstanding             1,312,500  
Performance Based Restricted Stock Units [] [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         66,500      
Service Based Restricted Stock Units [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         226,867      
Market Based Awards [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         146,500      
Management Option Plan [Member] | Class C Units [Member] | Predecessor [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized           2,000,000   1,697,500
Management Option Plan [Member] | Class C Units [Member] | Predecessor [Member] | Share-based Compensation Award, Tranche One [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage           50.00%    
Management Option Plan [Member] | Class C Units [Member] | Predecessor [Member] | Share-based Compensation Award, Tranche Two [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage           25.00%    
Omnibus Incentive Plan 2016 [Member]                
Common Stock, Capital Shares Reserved for Future Issuance         800,000      
Omnibus Incentive Plan 2016 [Member] | Performance Based Restricted Stock Units [] [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         66,500      
Annualized Earnings Per Share Growth Rate         40.00%      
Earnings Per Share Growth Rate         60      
Omnibus Incentive Plan 2016 [Member] | Performance Based Restricted Stock Units [] [Member] | Maximum [Member]                
Percentage Of Shares To Be Issued Under Grant         150.00%      
Omnibus Incentive Plan 2016 [Member] | Performance Based Restricted Stock Units [] [Member] | Minimum [Member]                
Earnings Before Interest, Taxes, Depreciation, And Amortization Growth Rate         80.00%      
Percentage Of Shares To Be Issued Under Grant         0.00%      
Omnibus Incentive Plan 2016 [Member] | Market Based Awards [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         146,500      
Target Share Price         $ 18.00