Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Total revenues	$ 497,458	$ 466,182	$ 1,464,049	$ 1,297,721
Operating expenses:
Depreciation, depletion and amortization	53,569	45,065	157,572	115,598
Selling, general and administrative	35,969	32,476	105,202	96,262
Acquisition, litigation and other	5,282	3,780	9,771	30,237
Impairment of long-lived assets	2,615	0	6,282	13,485
Loss (gain) from sale of real estate	427	0	(21,448)	34
Total operating expenses	460,001	426,797	1,322,369	1,212,834
Operating income	37,457	39,385	141,680	84,887
Other income (expense):
Interest expense	(23,066)	(24,907)	(70,114)	(70,581)
Interest income	179	1,798	1,027	5,206
Bridge loan commitment fees	0	0	0	(2,665)
Loss on debt extinguishment and modifications	0	0	(781)	0
Foreign currency exchange loss, net	(196)	(43)	(373)	(66)
Other expense, net	(1,083)	(249)	(168)	(1,007)
Gain from sale of partially owned entities	0	4,297	0	4,297
Loss from investments in partially owned entities	(98)	(165)	(254)	(111)
Income before income tax (expense) benefit	13,193	20,116	71,017	19,960
Income tax (expense) benefit:
Current	(2,103)	(834)	(6,823)	(4,828)
Deferred	1,284	7,809	4,353	12,221
Total income tax (expense) benefit	(819)	6,975	(2,470)	7,393
Net income	$ 12,374	$ 27,091	$ 68,547	$ 27,353
Weighted average common shares outstanding – basic (in shares)	204,289	192,325	202,380	175,010
Weighted average common shares outstanding – diluted (in shares)	208,500	197,363	206,051	178,970
Net income per common share of beneficial interest - basic (in USD per share)	$ 0.06	$ 0.14	$ 0.33	$ 0.15
Net income per common share of beneficial interest - diluted (in USD per share)	$ 0.06	$ 0.14	$ 0.33	$ 0.15
Third-party managed services
Operating expenses:
Impairment of long-lived assets			$ 2,600
Operating Segments
Revenues:
Total revenues	$ 497,458	$ 466,182	1,464,049	$ 1,297,721
Operating expenses:
Operating income	135,319	120,706	399,059	340,503
Operating Segments | Rent, storage and warehouse services
Revenues:
Total revenues	388,024	365,593	1,141,503	993,439
Operating expenses:
Cost of operations	260,268	252,185	766,842	675,395
Operating income	127,756	113,408	374,661	318,044
Operating Segments | Third-party managed services
Revenues:
Total revenues	75,338	62,846	213,213	188,497
Operating expenses:
Cost of operations	71,945	60,263	202,752	179,851
Operating income	3,393	2,583	10,461	8,646
Operating Segments | Transportation services
Revenues:
Total revenues	34,096	35,685	104,874	109,273
Operating expenses:
Cost of operations	29,909	31,045	91,110	96,071
Operating income	4,187	4,640	13,764	13,202
Operating Segments | Other
Revenues:
Total revenues	0	2,058	4,459	6,512
Operating expenses:
Cost of operations	17	1,983	4,286	5,901
Operating income	$ (17)	$ 75	$ 173	$ 611