Share-Based Compensation - Stock Option Activity (Details) - USD ($) | 3 Months Ended | | |
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Jun. 30, 2018 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Proceeds from stock option exercises | $ 326,000 | $ 0 | | |
NQOs | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Proceeds from stock option exercises | $ 300,000 | $ 0 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | | | | |
Number of options granted (shares) | 0 | | | |
Number of options exercised (shares) | (24,345) | | | |
Number of options cancelled/forfeited (shares) | 0 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] | | | | |
Weighted average purchase price (in US$ per share) | $ 0 | | | |
Weighted Average Exercise Price, Exercised (in US$ per share) | 11.81 | | | |
Weighted Average Exercise Price, Cancelled/Forfeited (in US$ per share) | 0 | | | |
Weighted Average Exercise Price, Ending balance (in US$ per share) | 29.49 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] | | | | |
Weighted average fair value (in US$ per share) | 0 | | | |
Weighted Average Grant Date Fair Value, Exercised (in US$ per share) | 5.54 | | | |
Weighted Average Grant Date Fair Value, Cancelled/Forfeited (in US$ per share) | 0 | | | |
Weighted Average Grant Date Fair Value, Ending balance (in US$ per share) | $ 9.90 | | | |
Weighted Average Remaining Life, Beginning balance | 5 years 6 months | | | |
Weighted Average Remaining Life, Ending balance | 5 years 6 months | | | |
Aggregate Intrinsic Value, Beginning balance | $ 223,000 | | $ 223,000 | |
Aggregate intrinsic value, exercised | 398,000 | | | |
Aggregate Intrinsic Value, Cancelled/Forfeited | 0 | | | |
Aggregate Intrinsic Value, Ending balance | $ 223,000 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract] | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options | | | 136,979 | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value | $ 0 | | | |
NQOs | Vested | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | | | | |
Number of options - Beginning balance (in shares) | 161,324 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] | | | | |
Weighted Average Exercise Price, Beginning balance (in US$ per share) | $ 26.82 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] | | | | |
Weighted Average Grant Date Fair Value, Beginning balance (in US$ per share) | 9.24 | | | |
Weighted Average Remaining Life, Beginning balance | | 5 years 1 month 6 days | | |
Weighted Average Remaining Life, Ending balance | | 5 years 1 month 6 days | | |
Aggregate Intrinsic Value, Beginning balance | | | | $ 741,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract] | | | | |
Options, Vested and exercisable, Outstanding (in shares) | | | 16,818 | |
Options, Vested and exercisable, Weighted Average Exercise Price (in US$ per share) | | | $ 13.72 | |
Options, Vested and exercisable, Weighted Average Grant Date Fair Value (in US$ per share) | $ 6.16 | | | |
Options, Vested and exercisable, Weighted Average Remaining Contractual Term | 1 year 6 months | | | |
Options, Vested and exercisable, Aggregate Intrinsic Value | | | $ 223,000 | |
Options, Vested and expected to vest, Outstanding (in shares) | | | 130,620 | |
Options, Vested and expected to vest, Weighted Average Exercise Price (in US$ per share) | | | $ 29.38 | |
Options, Vested and expected to vest, Weighted Average Grant Date Fair Value (in US$ per share) | $ 9.88 | | | |
Options, Vested and expected to vest, Exercisable, Weighted Average Remaining Life | 5 years 6 months | | | |
Options, Vested and expected to vest, Aggregate Intrinsic Value | | | $ 223,000 | |
NQOs | Farmer Bros. Co. Amended and Restated 2007 Long-term Incentive Plan | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | 0 | | | |
PNQs | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Proceeds from stock option exercises | $ 0 | $ 0 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] | | | | |
Weighted Average Remaining Life, Beginning balance | 3 years 9 months 15 days | | | |
Weighted Average Remaining Life, Ending balance | 3 years 9 months 15 days | | | |
PNQs | Farmer Bros. Co. Amended and Restated 2007 Long-term Incentive Plan | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Compensation expense recognized | $ 100,000 | $ 200,000 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | 0 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | | | | |
Number of options - Beginning balance (in shares) | 300,708 | | | |
Number of options granted (shares) | 0 | | | |
Number of options exercised (shares) | (1,697) | | | |
Number of options cancelled/forfeited (shares) | (1,563) | | | |
Number of options - Ending balance (in shares) | 297,448 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] | | | | |
Weighted Average Exercise Price, Beginning balance (in US$ per share) | $ 27.08 | | | |
Weighted average purchase price (in US$ per share) | 0 | | | |
Weighted Average Exercise Price, Exercised (in US$ per share) | 22.66 | | | |
Weighted Average Exercise Price, Cancelled/Forfeited (in US$ per share) | 30.34 | | | |
Weighted Average Exercise Price, Ending balance (in US$ per share) | 27.09 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] | | | | |
Weighted Average Grant Date Fair Value, Beginning balance (in US$ per share) | 10.89 | | | |
Weighted average fair value (in US$ per share) | 0 | | | |
Weighted Average Grant Date Fair Value, Exercised (in US$ per share) | 10.29 | | | |
Weighted Average Grant Date Fair Value, Cancelled/Forfeited (in US$ per share) | 11.45 | | | |
Weighted Average Grant Date Fair Value, Ending balance (in US$ per share) | $ 10.89 | | | |
Weighted Average Remaining Life, Beginning balance | | 4 years | | |
Weighted Average Remaining Life, Ending balance | | 4 years | | |
Aggregate Intrinsic Value, Beginning balance | $ 530,000 | | $ 530,000 | $ 1,207,000 |
Aggregate intrinsic value, exercised | 9,000 | | | |
Aggregate Intrinsic Value, Cancelled/Forfeited | 0 | | | |
Aggregate Intrinsic Value, Ending balance | $ 530,000 | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract] | | | | |
Options, Vested and exercisable, Outstanding (in shares) | | | 220,058 | |
Options, Vested and exercisable, Weighted Average Exercise Price (in US$ per share) | | | $ 25.53 | |
Options, Vested and exercisable, Weighted Average Grant Date Fair Value (in US$ per share) | $ 10.71 | | | |
Options, Vested and exercisable, Weighted Average Remaining Contractual Term | 3 years 5 months 16 days | | | |
Options, Vested and exercisable, Aggregate Intrinsic Value | | | $ 530,000 | |
Options, Vested and expected to vest, Outstanding (in shares) | | | 295,793 | |
Options, Vested and expected to vest, Weighted Average Exercise Price (in US$ per share) | | | $ 27.06 | |
Options, Vested and expected to vest, Weighted Average Grant Date Fair Value (in US$ per share) | $ 10.89 | | | |
Options, Vested and expected to vest, Exercisable, Weighted Average Remaining Life | 3 years 9 months 15 days | | | |
Options, Vested and expected to vest, Aggregate Intrinsic Value | | | $ 530,000 | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value | $ 0 | | | |
General and Administrative Expense | Stock Options | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Compensation expense recognized | $ 97,000 | $ 0 | | |