Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Total revenues	$ 482,522	$ 438,460	$ 966,591	$ 831,539
Operating expenses:
Depreciation, depletion and amortization	52,399	40,437	104,003	70,533
Selling, general and administrative	32,340	32,669	69,233	63,786
Acquisition, litigation and other	2,801	17,964	4,489	26,457
Impairment of long-lived assets	3,667	930	3,667	13,485
(Gain) loss from sale of real estate	(19,414)	34	(21,875)	34
Total operating expenses	425,977	409,375	862,368	786,037
Operating income	56,545	29,085	104,223	45,502
Other income (expense):
Interest expense	(23,178)	(24,098)	(47,048)	(45,674)
Interest income	261	2,405	848	3,408
Bridge loan commitment fees	0	(2,665)	0	(2,665)
Loss on debt extinguishment and modifications	0	0	(781)	0
Foreign currency exchange gain (loss), net	315	(83)	(177)	(23)
Other income (expense), net	44	(591)	915	(758)
(Loss) income from investments in partially owned entities	(129)	(68)	(156)	54
Income (loss) before income tax (expense) benefit	33,858	3,985	57,824	(156)
Income tax (expense) benefit:
Current	(2,163)	(2,446)	(4,720)	(3,994)
Deferred	967	3,352	3,069	4,412
Total income tax (expense) benefit	(1,196)	906	(1,651)	418
Net income	$ 32,662	$ 4,891	$ 56,173	$ 262
Weighted average common shares outstanding – basic (in shares)	201,787	182,325	201,294	165,869
Weighted average common shares outstanding – diluted (in shares)	205,298	186,117	204,587	169,305
Net income per common share of beneficial interest - basic (in USD per share)	$ 0.16	$ 0.03	$ 0.28	$ 0.00
Net income per common share of beneficial interest - diluted (in USD per share)	$ 0.16	$ 0.03	$ 0.27	$ 0.00
Operating Segments
Revenues:
Total revenues	$ 482,522	$ 438,460	$ 966,591	$ 831,539
Operating expenses:
Operating income	128,338	121,119	263,740	219,797
Operating Segments | Rent, storage and warehouse services
Revenues:
Total revenues	372,411	338,231	753,479	627,846
Operating expenses:
Cost of operations	252,279	224,414	506,574	423,210
Operating income	120,132	113,817	246,905	204,636
Operating Segments | Third-party managed services
Revenues:
Total revenues	72,954	61,515	137,875	125,651
Operating expenses:
Cost of operations	69,655	58,711	130,807	119,588
Operating income	3,299	2,804	7,068	6,063
Operating Segments | Transportation services
Revenues:
Total revenues	34,861	36,492	70,778	73,588
Operating expenses:
Cost of operations	30,089	32,286	61,201	65,026
Operating income	4,772	4,206	9,577	8,562
Operating Segments | Other
Revenues:
Total revenues	2,296	2,222	4,459	4,454
Operating expenses:
Cost of operations	2,161	1,930	4,269	3,918
Operating income	$ 135	$ 292	$ 190	$ 536