Business Combinations - Acquisition Consideration with Measurement Period Adjustments (Details) - USD ($) $ in Thousands	6 Months Ended	8 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Dec. 30, 2020	Nov. 02, 2020
Assets
Goodwill	$ 1,018,288	$ 1,018,288	$ 794,335
Halls Warehouse Corporation
Assets
Land	32,560	32,560			$ 29,352
Land, Measurement Period Adjustments		3,208
Buildings and improvements	152,280	152,280			239,708
Building and improvements, Measurement Period Adjustments		(87,428)
Machinery and equipment	25,348	25,348			63,596
Machinery and equipment, Measurement Period Adjustments		(38,248)
Assets under construction	41	41			0
Assets under construction, Measurement Period Adjustments		41
Operating lease right-of-use assets	27,800	27,800			26,400
Operating lease, right-of-use asset, Measurement Period Adjustments		1,400
Cash and cash equivalents	7,894	7,894			7,894
Cash and cash equivalents, Measurement Period Adjustments		0
Accounts receivable	11,894	11,894			11,894
Accounts receivable, Measurement Period Adjustments		0
Goodwill	173,481	173,481			42,737
Goodwill, Measurement Period Adjustments		130,744
Acquired identifiable intangibles:
Other assets	303	303			303
Other assets, Measurement Period Adjustments		0
Total assets	527,101	527,101			524,616
Total assets, Measurement Period Adjustments		2,485
Liabilities
Accounts payable and accrued expenses	6,053	6,053			4,006
Accounts payable and accrued expenses, Measurement Period Adjustments		2,047
Operating lease obligations	26,400	26,400			26,400
Operating lease obligations, Measurement Period Adjustments		0
Deferred tax liability	5,450	5,450			5,012
Deferred tax liability, Measurement Period Adjustments		438
Total liabilities	37,903	37,903			35,418
Total liabilities, Measurement Period Adjustments		2,485
Total consideration	489,198	489,198			489,198
Total consideration, Measurement Period Adjustments		0
Halls Warehouse Corporation | Customer relationships
Acquired identifiable intangibles:
Acquired identifiable intangible assets	95,500	95,500			$ 102,732
Acquired identifiable intangible assets, Measurement Period Adjustments		(7,232)
Agro Merchants Group
Assets
Land	116,065	116,065		$ 95,286
Land, Measurement Period Adjustments	20,779
Buildings and improvements	540,293	540,293		778,170
Building and improvements, Measurement Period Adjustments	(237,877)
Machinery and equipment	259,407	259,407		206,453
Machinery and equipment, Measurement Period Adjustments	52,954
Assets under construction	15,416	15,416		0
Assets under construction, Measurement Period Adjustments	15,416
Operating lease right-of-use assets	214,153	214,153		191,229
Operating lease, right-of-use asset, Measurement Period Adjustments	22,924
Financing lease asset	42,166	42,166		46,845
Financing lease asset, Measurement Period Adjustments	(4,679)
Cash and cash equivalents	47,533	47,533		47,534
Cash and cash equivalents, Measurement Period Adjustments	(1)
Accounts receivable	77,291	77,291		78,423
Accounts receivable, Measurement Period Adjustments	(1,132)
Goodwill	394,079	394,079		346,673
Goodwill, Measurement Period Adjustments	47,406
Acquired identifiable intangibles:
Investment in partially owned entities	11,900	11,900		21,638
Investment in partially owned entities, Measurement Period Adjustments	(9,738)
Other assets	32,566	32,566		20,038
Other assets, Measurement Period Adjustments	12,528
Total assets	2,140,969	2,140,969		2,165,790
Total assets, Measurement Period Adjustments	(24,821)
Liabilities
Accounts payable and accrued expenses	105,703	105,703		90,860
Accounts payable and accrued expenses, Measurement Period Adjustments	14,843
Operating lease obligations	194,204	194,204		191,229
Operating lease obligations, Measurement Period Adjustments	2,975
Financing lease obligations	39,655	39,655		46,845
Financing lease obligations, Measurement Period Adjustments	(7,190)
Sale-leaseback obligations	73,075	73,075		73,075
Sale-leaseback obligations, Measurement Period Adjustments	0
Deferred tax liability	140,270	140,270		175,719
Deferred tax liability, Measurement Period Adjustments	(35,449)
Total liabilities	552,907	552,907		577,728
Total liabilities, Measurement Period Adjustments	(24,821)
Total consideration	1,588,062	1,588,062		1,588,062
Total consideration, Measurement Period Adjustments	0
Agro Merchants Group | Customer relationships
Acquired identifiable intangibles:
Acquired identifiable intangible assets	390,100	$ 390,100		$ 333,501
Acquired identifiable intangible assets, Measurement Period Adjustments	$ 56,599