Sale-Leasebacks of Real Estate - Narrative (Details) $ in Thousands		1 Months Ended			12 Months Ended
	Dec. 31, 2020 USD ($) warehouse facility	Jul. 31, 2013 warehouse	Sep. 30, 2010 USD ($)	Sep. 30, 2007 USD ($) extension warehouse	Dec. 31, 2013 facility	Dec. 31, 2007 facility	Dec. 31, 2019 USD ($)
Sale Leaseback Transaction [Line Items]
Total sale-leaseback financing obligations	$ 185,060						$ 115,759
1 warehouse – 2010
Sale Leaseback Transaction [Line Items]
Number of warehouses | warehouse	1
Lease agreement term			20 years
Purchase option transferred			$ 18,300
Consideration to be used toward improvements			$ 1,000
Percentage of useful life where control maintained			90.00%
Purchase price option percentage			95.00%
Total sale-leaseback financing obligations	$ 18,669		$ 18,200				18,994
Receivable for improvements			1,000
Sale-leaseback financing obligations			$ 19,200
11 warehouses – 2007
Sale Leaseback Transaction [Line Items]
Number of warehouses | warehouse	11	11		11
Percentage of useful life where control maintained				90.00%
Total sale-leaseback financing obligations	$ 93,316						96,765
Gross proceeds from sale-leaseback transaction				$ 170,700
Annual rent increase under sale-leaseback transaction		0.50%		1.75%
Number of extensions under sale-leaseback transaction | extension				4
Extension period under sale-leaseback transaction				5 years
Number of units where agreement was amended | warehouse		6
3 facilities - 2007 (Agro)
Sale Leaseback Transaction [Line Items]
Number of warehouses | facility	3					3
Lease agreement term						20 years
Rent increase term						5 years
Rent increase as a percentage of Consumer Price Index						125.00%
Rent increase percentage						9.00%
Implicit interest rate						10.00%
Total sale-leaseback financing obligations	$ 67,229						0
3 facilities - 2007 (Agro) | Agro Merchants Group
Sale Leaseback Transaction [Line Items]
Number of warehouses acquired | facility	4
1 facility - 2013 (Agro)
Sale Leaseback Transaction [Line Items]
Number of warehouses | facility	1				1
Lease agreement term					20 years
Rent increase term					5 years
Rent increase percentage					12.00%
Implicit interest rate					10.00%
Total sale-leaseback financing obligations	$ 5,846						$ 0
Number of extensions under sale-leaseback transaction | facility					6
Extension period under sale-leaseback transaction					5 years
Minimum | 11 warehouses – 2007
Sale Leaseback Transaction [Line Items]
Lease agreement term				10 years
Maximum | 11 warehouses – 2007
Sale Leaseback Transaction [Line Items]
Lease agreement term				20 years