Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		17 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Jan. 02, 2020	Dec. 31, 2019	May 01, 2019
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 819			$ (6,975)	$ 2,470	$ (7,393)
Business Acquisition [Line Items]
Income tax expense (benefit)	819			$ (6,975)	2,470	$ (7,393)
Refunds receivable from CARES Act provision		$ 1,900
Liability for uncertain tax positions	200				200		$ 200		$ 400
Cloverleaf
Business Acquisition [Line Items]
Deferred tax liability	9,024				9,024		9,024		8,900	$ 9,063
Deferred tax liability, change							(39)
Lanier Cold Storage
Business Acquisition [Line Items]
Deferred tax liability									$ 700
Cloverleaf and Lanier Cold Storage
Business Acquisition [Line Items]
Deferred tax liability, change			$ 1,000
Nova Cold Logistics
Business Acquisition [Line Items]
Deferred tax liability	33,000	34,500			33,000		$ 33,000	$ 42,000
Deferred tax liability, change	$ 1,500	$ 7,500			$ 9,000