Income Taxes - Estimated Future Tax Payment Obligation (Detail) $ in Thousands	5 Months Ended
	Feb. 10, 2018 USD ($)
Estimated future tax payment obligations [Abstract]
2018	$ 3,507
2019	1,847
2020	1,847
2021	1,847
2022	1,847
2023	3,464
2024	4,619
2025	5,773
Total One-Time Transition Tax Forecasted Obligation Payments	$ 24,751