Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 490,446	$ 459,753	$ 1,444,118	$ 1,280,521
Lease revenue	7,012	6,429	19,931	17,200
Total revenues from contracts with all customers	497,458	466,182	1,464,049	1,297,721
Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	159,343	149,569	472,408	407,238
Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	221,669	209,595	649,175	569,036
Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	75,338	62,846	213,213	188,478
Transportation
Disaggregation of Revenue [Line Items]
Total revenues	34,096	35,685	104,874	109,273
Other
Disaggregation of Revenue [Line Items]
Total revenues	0	2,058	4,448	6,496
United States
Disaggregation of Revenue [Line Items]
Total revenues	413,467	392,402	1,222,748	1,076,234
Lease revenue	6,179	6,429	17,591	17,200
Total revenues from contracts with all customers	419,646	398,831	1,240,339	1,093,434
United States | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	140,773	134,903	420,002	363,547
United States | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	177,524	175,008	527,126	466,418
United States | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	66,588	53,800	187,042	164,332
United States | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	28,582	26,633	84,130	75,441
United States | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	2,058	4,448	6,496
Australia
Disaggregation of Revenue [Line Items]
Total revenues	56,660	52,823	161,550	160,808
Lease revenue	0	0	0	0
Total revenues from contracts with all customers	56,660	52,823	161,550	160,808
Australia | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	9,978	9,386	28,321	28,071
Australia | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	36,898	30,521	100,918	90,016
Australia | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	4,882	4,383	13,275	10,590
Australia | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	4,902	8,533	19,036	32,131
Australia | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
New Zealand
Disaggregation of Revenue [Line Items]
Total revenues	7,487	7,402	21,600	22,565
Lease revenue	0	0	0	0
Total revenues from contracts with all customers	7,487	7,402	21,600	22,565
New Zealand | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	3,821	3,972	11,117	12,020
New Zealand | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	3,516	3,328	10,191	10,230
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	150	102	292	315
New Zealand | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Argentina
Disaggregation of Revenue [Line Items]
Total revenues	2,590	2,463	7,313	7,358
Lease revenue	0	0	0	0
Total revenues from contracts with all customers	2,590	2,463	7,313	7,358
Argentina | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	1,465	1,308	3,931	3,600
Argentina | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	663	738	1,966	2,372
Argentina | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Argentina | Transportation
Disaggregation of Revenue [Line Items]
Total revenues	462	417	1,416	1,386
Argentina | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Canada
Disaggregation of Revenue [Line Items]
Total revenues	10,242	4,663	30,907	13,556
Lease revenue	833	0	2,340	0
Total revenues from contracts with all customers	11,075	4,663	33,247	13,556
Canada | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues	3,306	0	9,037	0
Canada | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues	3,068	0	8,974	0
Canada | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues	3,868	4,663	12,896	13,556
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