Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,205,200	$ 1,181,583	$ 1,206,959
Accumulated depreciation and depletion	791,121	774,933	797,099
Property and equipment, net	414,079	406,650	409,860
Equipment and vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	774,903	756,602	769,307
Quarry property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	176,041	174,839	179,773
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	111,766	110,999	111,425
Building and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	84,113	82,762	82,733
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 58,377	$ 56,381	$ 63,721