Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Total revenues	$ 459,753	$ 396,777	$ 1,280,521	$ 1,171,513
Lease revenue	6,429		17,200
Lease revenue		5,233		16,305
Total revenues from contracts with all customers	466,182	402,010	1,297,721	1,187,818
Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	149,569	124,868	407,238	364,966
Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	209,595	167,181	569,036	490,350
Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	62,846	62,500	188,478	192,032
Transportation
Disaggregation of Revenue [Line Items]
Total revenues	35,685	40,193	109,273	117,427
Other
Disaggregation of Revenue [Line Items]
Total revenues	2,058	2,035	6,496	6,738
United States
Disaggregation of Revenue [Line Items]
Total revenues	392,402	326,024	1,076,234	953,990
Lease revenue	6,429		17,200
Lease revenue		5,233		16,305
Total revenues from contracts with all customers	398,831	331,257	1,093,434	970,295
United States | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	134,903	110,351	363,547	319,690
United States | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	175,008	132,723	466,418	386,027
United States | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	53,800	54,809	164,332	168,431
United States | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	26,633	26,106	75,441	73,104
United States | Other
Disaggregation of Revenue [Line Items]
Total revenues	2,058	2,035	6,496	6,738
Australia
Disaggregation of Revenue [Line Items]
Total revenues	52,823	55,637	160,808	170,229
Lease revenue	0		0
Lease revenue		0		0
Total revenues from contracts with all customers	52,823	55,637	160,808	170,229
Australia | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	9,386	9,815	28,071	29,759
Australia | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	30,521	29,390	90,016	89,156
Australia | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	4,383	3,142	10,590	9,764
Australia | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	8,533	13,290	32,131	41,550
Australia | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
New Zealand
Disaggregation of Revenue [Line Items]
Total revenues	7,402	7,941	22,565	24,358
Lease revenue	0		0
Lease revenue		0		0
Total revenues from contracts with all customers	7,402	7,941	22,565	24,358
New Zealand | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	3,972	3,598	12,020	11,425
New Zealand | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	3,328	4,173	10,230	12,390
New Zealand | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
New Zealand | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	102	170	315	543
New Zealand | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Argentina
Disaggregation of Revenue [Line Items]
Total revenues	2,463	2,626	7,358	9,099
Lease revenue	0		0
Lease revenue		0		0
Total revenues from contracts with all customers	2,463	2,626	7,358	9,099
Argentina | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	1,308	1,104	3,600	4,092
Argentina | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	738	895	2,372	2,777
Argentina | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Argentina | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	417	627	1,386	2,230
Argentina | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Canada
Disaggregation of Revenue [Line Items]
Total revenues	4,663	4,549	13,556	13,837
Lease revenue	0		0
Lease revenue		0		0
Total revenues from contracts with all customers	4,663	4,549	13,556	13,837
Canada | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Canada | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Canada | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	4,663	4,549	13,556	13,837
Canada | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Canada | Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0	$ 0	$ 0