Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Total revenues									$ 1,761,692	$ 1,582,073	$ 1,522,328
Lease revenue									22,013	21,562	21,259
Total revenues from contracts with all customers	$ 485,984	$ 466,182	$ 438,460	$ 393,079	$ 415,817	$ 402,010	$ 394,667	$ 391,141	1,783,705	1,603,635	1,543,587
Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues									560,537	493,416	480,567
Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues									794,708	662,156	644,058
Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues									252,920	258,834	241,989
Transportation
Disaggregation of Revenue [Line Items]
Total revenues									144,844	158,790	146,070
Other
Disaggregation of Revenue [Line Items]
Total revenues									8,683	8,877	9,644
U.S.
Disaggregation of Revenue [Line Items]
Total revenues									1,487,388	1,292,249	1,232,620
Lease revenue									22,013	21,562	21,259
Total revenues from contracts with all customers									1,509,401	1,313,811	1,253,879
U.S. | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues									502,674	433,131	413,647
U.S. | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues									653,890	522,748	508,982
U.S. | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues									220,165	227,757	214,400
U.S. | Transportation
Disaggregation of Revenue [Line Items]
Total revenues									101,976	99,736	85,947
U.S. | Other
Disaggregation of Revenue [Line Items]
Total revenues									8,683	8,877	9,644
Australia
Disaggregation of Revenue [Line Items]
Total revenues									216,741	227,374	219,738
Lease revenue									0	0	0
Total revenues from contracts with all customers									216,741	227,374	219,738
Australia | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues									37,172	39,573	40,086
Australia | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues									124,045	119,665	116,287
Australia | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues									14,886	12,742	9,227
Australia | Transportation
Disaggregation of Revenue [Line Items]
Total revenues									40,638	55,394	54,138
Australia | Other
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
New Zealand
Disaggregation of Revenue [Line Items]
Total revenues									30,047	32,363	33,289
Lease revenue									0	0	0
Total revenues from contracts with all customers									30,047	32,363	33,289
New Zealand | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues									15,942	15,018	17,695
New Zealand | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues									13,701	16,634	14,776
New Zealand | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
New Zealand | Transportation
Disaggregation of Revenue [Line Items]
Total revenues									404	711	818
New Zealand | Other
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
Argentina
Disaggregation of Revenue [Line Items]
Total revenues									9,647	11,752	18,319
Lease revenue									0	0	0
Total revenues from contracts with all customers									9,647	11,752	18,319
Argentina | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues									4,749	5,694	9,139
Argentina | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues									3,072	3,109	4,013
Argentina | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
Argentina | Transportation
Disaggregation of Revenue [Line Items]
Total revenues									1,826	2,949	5,167
Argentina | Other
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
Canada
Disaggregation of Revenue [Line Items]
Total revenues									17,869	18,335	18,362
Lease revenue									0	0	0
Total revenues from contracts with all customers									17,869	18,335	18,362
Canada | Warehouse rent and storage
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
Canada | Warehouse services
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
Canada | Third-party managed
Disaggregation of Revenue [Line Items]
Total revenues									17,869	18,335	18,362
Canada | Transportation
Disaggregation of Revenue [Line Items]
Total revenues									0	0	0
Canada | Other
Disaggregation of Revenue [Line Items]
Total revenues									$ 0	$ 0	$ 0