Property and Equipment, Net - Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Property Plant And Equipment [Line Items]
Property and equipment	$ 1,422,394	$ 1,403,356	$ 1,223,114
Accumulated depreciation and depletion	869,890	853,668	813,406
Property and equipment, net	552,504	549,688	409,708
Equipment and vehicles [Member]
Property Plant And Equipment [Line Items]
Property and equipment	915,748	906,275	790,942
Quarry property [Member]
Property Plant And Equipment [Line Items]
Property and equipment	191,805	180,246	177,722
Land and land improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment	140,078	142,271	114,607
Building and leasehold improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment	108,587	108,884	82,775
Office furniture and equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment	$ 66,176	$ 65,680	$ 57,068