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Stock-based Compensation - Narrative (Details) - 2015 Omnibus Incentive Plan - USD ($)
$ in Thousands
5 Months Ended 12 Months Ended
Aug. 18, 2015
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized       1,377,000  
Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period       5 years  
Number of shares issued upon conversion, per share       1  
Stock issued during period   390,352 0 111,281  
Stock granted, value $ 4,100     $ 909  
Compensation expense     $ 948 $ 856 $ 303
Total compensation cost not yet recognized     $ 3,000