Segments - Schedule of Net Sales From External Customers (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Revenue from External Customer [Line Items]
Net sales	$ 514,841	$ 564,906	$ 559,911	$ 514,872	$ 516,159	$ 542,273	$ 522,219	$ 463,661	$ 2,154,530	$ 2,044,312
Percentage of net sales									100.00%	100.00%
Change in net sales									$ 110,218
Percentage change in net sales									5.40%
Wallboard
Revenue from External Customer [Line Items]
Net sales									$ 817,799	$ 781,257
Percentage of net sales									38.00%	38.20%
Change in net sales									$ 36,542
Percentage change in net sales									4.70%
Suspended ceiling systems
Revenue from External Customer [Line Items]
Net sales									$ 413,674	$ 379,809
Percentage of net sales									19.20%	18.60%
Change in net sales									$ 33,865
Percentage change in net sales									8.90%
Metal framing
Revenue from External Customer [Line Items]
Net sales									$ 392,630	$ 361,493
Percentage of net sales									18.20%	17.70%
Change in net sales									$ 31,137
Percentage change in net sales									8.60%
Complementary and other products
Revenue from External Customer [Line Items]
Net sales									$ 530,427	$ 521,753
Percentage of net sales									24.60%	25.50%
Change in net sales									$ 8,674
Percentage change in net sales									1.70%