Employee Benefit Plans - Fair Value of Plan Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 43,376	$ 82,935	$ 79,624
Farmer Brothers Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	43,376	79,274	75,934
Hourly Employees’ Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	0	3,661	$ 3,690
Level 1 | Farmer Brothers Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	0	0
Level 1 | Hourly Employees’ Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date		0
Level 2 | Farmer Brothers Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	0	0
Level 2 | Hourly Employees’ Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date		0
Level 3 | Farmer Brothers Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	0	0
Level 3 | Hourly Employees’ Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date		0
Investments measured at NAV | Farmer Brothers Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 43,376	79,274
Investments measured at NAV | Hourly Employees’ Plan
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date		$ 3,661