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, 2020	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment revenues:
Revenues							$ 1,987,727	$ 1,783,705	$ 1,603,635
Segment contribution:
Operating income							168,451	131,466	179,960
Reconciling items:
Depreciation and amortization							(215,891)	(163,348)	(117,653)
Selling, general and administrative							(144,738)	(129,310)	(110,825)
Acquisition, litigation and other							(36,306)	(40,614)	(3,935)
Impairment of long-lived assets	$ (2,200)		$ (2,900)	$ (9,600)			(8,236)	(13,485)	(747)
Gain (loss) from sale of real estate					$ (900)	$ 8,400	22,124	(34)	7,471
Interest expense							(91,481)	(94,408)	(93,312)
Interest income							1,162	6,286	3,996
Bridge loan commitment fees	$ (2,400)		$ (2,700)				(2,438)	(2,665)	0
Loss on debt extinguishment, modifications and termination of derivative instruments							(9,975)	0	(47,559)
Foreign currency exchange (loss) gain, net							(45,278)	10	2,882
Other expense, net							(2,563)	(1,870)	(532)
Loss from partially owned entities							(250)	(111)	(1,069)
Gain from sale of partially owned entities							0	4,297	0
Income before income tax benefit							17,628	43,005	44,366
Third-party managed
Reconciling items:
Impairment of long-lived assets		$ (2,100)
Transportation
Reconciling items:
Impairment of long-lived assets								(900)
Operating Segments
Segment revenues:
Revenues							1,987,727	1,783,705	1,603,635
Segment contribution:
Operating income							551,498	478,257	405,649
Operating Segments | Warehouse
Segment revenues:
Revenues							1,549,314	1,377,217	1,176,912
Segment contribution:
Operating income							520,333	447,591	374,534
Operating Segments | Third-party managed
Segment revenues:
Revenues							291,751	252,939	259,034
Segment contribution:
Operating income							12,228	11,761	14,760
Operating Segments | Transportation
Segment revenues:
Revenues							142,203	144,844	158,790
Segment contribution:
Operating income							18,807	18,067	15,735
Operating Segments | Other
Segment revenues:
Revenues							4,459	8,705	8,899
Segment contribution:
Operating income							$ 130	$ 838	$ 620