Stock-based Compensation Stock-based Compensation - Vesting Schedule for RSUs (Details) - 2015 Omnibus Incentive Plan [Member] - Restricted Stock Units (RSUs) [Member] - shares shares in Thousands	Dec. 31, 2016	Dec. 31, 2015	Aug. 12, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Scheduled vesting - RSUs (in shares)	416	390	0
2017 Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Scheduled vesting - RSUs (in shares)	99
2018 Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Scheduled vesting - RSUs (in shares)	99
2019 Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Scheduled vesting - RSUs (in shares)	99
2020 Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Scheduled vesting - RSUs (in shares)	99
2021 Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Scheduled vesting - RSUs (in shares)	20