Commitments and Contingencies (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 23, 2020	Apr. 20, 2020	May 30, 2020
Loss Contingencies [Line Items]
Standby letters of credit				$ 4,300
Pending Litigation | State of Texas v. Cal-Maine Foods, Inc. d/b/a Wharton; and Wharton County Foods, LLC
Loss Contingencies [Line Items]
Damages sought		$ 100
Pending Litigation | Bell et al. v. Cal-Maine Foods et al. | Minimum
Loss Contingencies [Line Items]
Damages sought	$ 10
Pending Litigation | Bell et al. v. Cal-Maine Foods et al. | Maximum
Loss Contingencies [Line Items]
Damages sought	$ 250
Pending Litigation | Fraser et al. v. Cal-Maine Foods, Inc. et al.
Loss Contingencies [Line Items]
Damages sought			$ 5,000