Segment Information - Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Investments in partially owned entities	$ 38,571	$ 44,907
Total assets	8,127,554	7,831,151
Operating Segments
Segment Reporting Information [Line Items]
Assets	5,743,746	5,020,312
Corporate assets
Segment Reporting Information [Line Items]
Assets	153,460	621,836
Reconciling Items
Segment Reporting Information [Line Items]
Assets	2,191,777	2,144,096
Investments in partially owned entities	38,571	44,907
Total reconciling items
Segment Reporting Information [Line Items]
Total assets	2,383,808	2,810,839
Warehouse | Operating Segments
Segment Reporting Information [Line Items]
Assets	5,535,161	4,815,587
Third-party managed | Operating Segments
Segment Reporting Information [Line Items]
Assets	52,699	52,818
Transportation | Operating Segments
Segment Reporting Information [Line Items]
Assets	155,886	151,872
Other | Operating Segments
Segment Reporting Information [Line Items]
Assets	$ 0	$ 35