Segment Information - Additional Information (Detail) $ in Thousands	3 Months Ended		7 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($) Segment	Mar. 31, 2017 USD ($)	Jul. 31, 2017 Segment	Dec. 31, 2017 Segment
Segment Reporting Information [Line Items]
Number of reportable segment | Segment	2		1	2
Net sales	$ 171,207	$ 144,806
Residential [Member]
Segment Reporting Information [Line Items]
Net sales	155,200	$ 144,800
Commercial [Member]
Segment Reporting Information [Line Items]
Net sales	$ 16,000