Employee Benefit Plans - Description of Investment Policy (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Defined Benefit Plan Disclosure
Projected benefit obligation	$ 134,161	$ 138,412	$ 126,227
Accumulated benefit obligation	134,161	138,412
Fair value of plan assets at measurement date	$ 95,111	$ 79,819	79,189
Plan assets by category	100.00%	100.00%
Equity Securities
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 61,047	$ 52,316
Plan assets by category	64.00%	66.00%
Debt securities
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 28,705	$ 22,550
Plan assets by category	30.00%	28.00%
Real estate
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 5,359	$ 4,953
Plan assets by category	6.00%	6.00%
Farmer Brothers Plan
Defined Benefit Plan Disclosure
Projected benefit obligation	$ 129,091	$ 133,326	121,752
Accumulated benefit obligation	129,091	133,326
Fair value of plan assets at measurement date	$ 90,508	$ 75,904	75,411
Plan assets by category	100.00%	100.00%
Farmer Brothers Plan \| Equity Securities
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 58,089	$ 49,744
Plan assets by category	64.00%	66.00%
Farmer Brothers Plan \| Debt securities
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 27,311	$ 21,439
Plan assets by category	30.00%	28.00%
Farmer Brothers Plan \| Real estate
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 5,108	$ 4,721
Plan assets by category	6.00%	6.00%
Hourly Employees’ Plan
Defined Benefit Plan Disclosure
Projected benefit obligation	$ 5,070	$ 5,086	4,475
Accumulated benefit obligation	5,070	5,086
Fair value of plan assets at measurement date	$ 4,603	$ 3,915	$ 3,778
Plan assets by category	100.00%	100.00%
Hourly Employees’ Plan \| Equity Securities
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 2,958	$ 2,572
Plan assets by category	64.00%	66.00%
Hourly Employees’ Plan \| Debt securities
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 1,394	$ 1,111
Plan assets by category	30.00%	28.00%
Hourly Employees’ Plan \| Real estate
Defined Benefit Plan Disclosure
Fair value of plan assets at measurement date	$ 251	$ 232
Plan assets by category	6.00%	6.00%

Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

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