Segment Information - Revenues with a Reconciliation to Income (Loss) before Income Tax and Gain (Loss) (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	Dec. 31, 2017
Segment revenues:
Revenues:	$ 485,984	$ 466,182	$ 438,460	$ 393,079	$ 415,817	$ 402,010	$ 394,667	$ 391,141	$ 1,783,705	$ 1,603,635	$ 1,543,587
Segment contribution:
Operating income	$ 46,579	$ 39,385	29,085	$ 16,417	51,171	$ 43,553	49,304	$ 35,932	131,466	179,960	136,989
Reconciling items:
Depreciation, depletion and amortization									(163,348)	(117,653)	(116,741)
Selling, general and administrative expense									(129,310)	(110,825)	(99,616)
Acquisition, litigation and other									(40,614)	(3,935)	(11,329)
Impairment of long-lived assets			$ (2,900)						(13,485)	(747)	(9,473)
(Loss) gain from sale of real estate, net					$ (900)		$ 8,400		(34)	7,471	43
Interest expense									(94,408)	(93,312)	(114,898)
Interest income									6,286	3,996	1,074
Bridge loan commitment fees									(2,665)	0	0
Loss on debt extinguishment, modifications and termination of derivative instruments									0	(47,559)	(986)
Foreign currency exchange gain (loss), net									10	2,882	(3,591)
Other expense, net									(1,870)	(532)	(1,944)
Loss from partially owned entities									(111)	(1,069)	(1,363)
Gain from sale of partially owned entities									4,297	0	0
Impairment of partially owned entities									0	0	(6,496)
Income before income tax benefit (expense)									43,005	44,366	8,785
Operating Segments
Segment revenues:
Revenues:									1,783,705	1,603,635	1,543,587
Segment contribution:
Operating income									478,257	405,649	374,105
Operating Segments | Warehouse
Segment revenues:
Revenues:									1,377,217	1,176,912	1,145,662
Segment contribution:
Operating income									447,591	374,534	348,328
Operating Segments | Third-party managed
Segment revenues:
Revenues:									252,939	259,034	242,189
Segment contribution:
Operating income									11,761	14,760	12,825
Operating Segments | Transportation
Segment revenues:
Revenues:									144,844	158,790	146,070
Segment contribution:
Operating income									18,067	15,735	12,950
Operating Segments | Other
Segment revenues:
Revenues:									8,705	8,899	9,666
Segment contribution:
Operating income									$ 838	$ 620	$ 2