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Performance Cash Awards, Accrued Liabilities

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Amount of expense for employee benefit and equity-based compensation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Price of a single share of a number of saleable stocks of a company.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-Based Compensation - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	$ 1,400,000		$ 1,400,000		$ 1,700,000
Proceeds from stock option exercises			0	$ 129,000
Restricted Stock
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	4,200,000		4,200,000		$ 1,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value			3,600,000
Restricted Stock \| General and Administrative Expense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Compensation expense recognized	600,000	$ 200,000	1,100,000	400,000
Performance Cash Awards
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Performance Cash Awards, Accrued Liabilities	$ 102,200		$ 102,200
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			3 years
Employee Benefits and Share-based Compensation			$ 16,900
Performance Cash Awards \| Minimum
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			0.00%
Performance Cash Awards \| Maximum
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			200.00%
2017 Plan
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Common Stock, Capital Shares Reserved for Future Issuance	632,592		632,592
2020 Inducement Plan
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Common Stock, Capital Shares Reserved for Future Issuance	171,371		171,371
NQOs
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Weighted average fair value (in US$ per share)			$ 2.36
Share price (in US$ per share)	$ 4.67		$ 4.67		$ 7.34
Compensation expense recognized	$ 208,300	178,100	$ 419,200	277,200
Proceeds from stock option exercises				129,300
NQOs \| Farmer Bros. Co. Amended and Restated 2007 Long-term Incentive Plan
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Employee Service Share-based Compensation, Nonvested Awards, Weighted Average Remaining Amortization Period	1 year 9 months 18 days
PNQs \| Farmer Bros. Co. Amended and Restated 2007 Long-term Incentive Plan
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Compensation expense recognized		$ 4,600		$ 18,300
Restricted Stock \| Farmer Bros. Co. Amended and Restated 2007 Long-term Incentive Plan
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Employee Service Share-based Compensation, Nonvested Awards, Weighted Average Remaining Amortization Period	1 year 8 months 12 days