Segments - Schedule of Net Sales From External Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue from External Customer [Line Items]
Net sales	$ 479,457	$ 244,605
Wallboard and accessories
Revenue from External Customer [Line Items]
Net sales	209,459	128,280
Metal framing
Revenue from External Customer [Line Items]
Net sales	68,121	42,958
Suspended ceiling systems
Revenue from External Customer [Line Items]
Net sales	72,534	26,216
Other products
Revenue from External Customer [Line Items]
Net sales	83,126	47,151
Commercial and industrial insulation
Revenue from External Customer [Line Items]
Net sales	$ 46,217	$ 0