Segment Information (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) segment	Sep. 30, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment				4
Segment revenues:
Revenues	$ 402,010		$ 389,501	$ 1,187,818	$ 1,141,867
Segment contribution:
Segment contribution	43,553		27,442	128,788	92,950
Reconciling items:
Depreciation, depletion, and amortization	(29,403)		(28,875)	(87,861)	(87,196)
Selling, general and administrative expense	(28,517)		(36,432)	(87,947)	(84,736)
(Loss) gain from sale of real estate	(12)		(83)	8,372	(83)
Impairment of long-lived assets	0	$ (700)	0	(747)	(8,773)
(Loss) income from investments in partially owned entities	(437)		9	(324)	(1,342)
Impairment of investments in partially owned entities	0		0	0	(6,496)
Interest expense	(22,834)		(29,218)	(70,258)	(85,233)
Interest income	877		218	2,610	785
Loss on debt extinguishment and modification	0		(386)	(21,385)	(986)
Foreign currency exchange gain (loss)	734		(1,045)	2,926	(3,870)
Other income (expense), net	96		148	184	(1,061)
Income (loss) before income tax benefit (expense)	21,989		(2,832)	42,541	(5,253)
Operating Segments
Segment revenues:
Revenues	402,010		389,501	1,187,818	1,141,867
Segment contribution:
Segment contribution	101,485		92,832	296,971	273,738
Operating Segments | Warehouse
Segment revenues:
Revenues	297,225		290,593	871,454	848,064
Segment contribution:
Segment contribution	93,638		86,074	274,043	254,399
Operating Segments | Third-Party Managed
Segment revenues:
Revenues	62,551		60,556	192,182	178,561
Segment contribution:
Segment contribution	3,554		3,211	11,189	9,682
Operating Segments | Transportation
Segment revenues:
Revenues	40,193		35,688	117,427	107,665
Segment contribution:
Segment contribution	4,148		3,091	11,328	9,733
Operating Segments | Quarry
Segment revenues:
Revenues	2,041		2,664	6,755	7,577
Segment contribution:
Segment contribution	$ 145		$ 456	$ 411	$ (76)