Alico, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

Stockholders' Equity - Narrative (Details) - USD ($)												3 Months Ended			12 Months Ended
Stockholders' Equity - Narrative (Details) - USD ($)	Sep. 06, 2022	May 31, 2022	May 18, 2022	Apr. 01, 2022	Jan. 26, 2022	Nov. 05, 2021	Oct. 15, 2021	Nov. 10, 2020	Oct. 11, 2019	Oct. 25, 2018	Sep. 07, 2018	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2022	Sep. 30, 2020	Dec. 15, 2021	Feb. 27, 2015
Class Of Stock [Line Items]
Stock compensation expense												$ 156,000		$ 179,000
Percentage of options												25.00%
Restricted Stock
Class Of Stock [Line Items]
Stock compensation expense												$ 130,000		136,000
Unrecognized expense												564,000			$ 692,000
Weighted average fair value (in dollars per share)			$ 40.17	$ 37.98	$ 35.50	$ 37.13	$ 34.41	$ 31.20
Options
Class Of Stock [Line Items]
Stock compensation expense												18,000		$ 60,000
Unrecognized expense												$ 0			$ 18,000
Options, exercisable																	5,000
Options, exercised													9,000
2015 Option Grants
Class Of Stock [Line Items]
Number of shares authorized to be repurchased (up to)																		1,250,000
2015 Option Grants \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded			12,500	5,000	7,256	2,224	2,500	5,885
Number of restricted shares vested															1,144
Number of restricted shares forfeited		674
2015 Option Grants \| Restricted Stock \| Chief Financial Officer
Class Of Stock [Line Items]
Number of restricted shares awarded	747
Weighted average fair value (in dollars per share)	$ 33.50
2015 Option Grants \| Minimum
Class Of Stock [Line Items]
Award vesting period												1 year
2015 Option Grants \| Maximum
Class Of Stock [Line Items]
Award vesting period												6 years
2020 Option Grants
Class Of Stock [Line Items]
Granted (in shares)									118,000
Shares issued (in dollars per share)									$ 33.96
Percentage of options																25.00%
Period following an executive's termination of employment for a number of reasons									18 months
Period following an executive's termination of employment without cause									12 months
2020 Option Grants \| Tranche One
Class Of Stock [Line Items]
Percentage of options									25.00%
Period of consecutive trading days									20 days
Amount per share (in dollars per share)									$ 35.00
2020 Option Grants \| Tranche Two
Class Of Stock [Line Items]
Percentage of options									25.00%
Period of consecutive trading days									20 days
Amount per share (in dollars per share)									$ 40.00
2020 Option Grants \| Tranche Three
Class Of Stock [Line Items]
Percentage of options									25.00%
Period of consecutive trading days									20 days
Amount per share (in dollars per share)									$ 45.00
2020 Option Grants \| Tranche Four
Class Of Stock [Line Items]
Percentage of options									25.00%
Period of consecutive trading days									20 days
Amount per share (in dollars per share)									$ 50.00
2020 Option Grants \| Minimum
Class Of Stock [Line Items]
Share price (in dollars per share)																$ 35.00
2020 Option Grants \| Maximum
Class Of Stock [Line Items]
Share price (in dollars per share)												$ 40.00
2019 Option Grants
Class Of Stock [Line Items]
Shares issued (in dollars per share)										$ 33.34
Period following an executive's termination of employment for a number of reasons										18 months
Period following an executive's termination of employment without cause										12 months
2019 Option Grants \| Chief Financial Officer
Class Of Stock [Line Items]
Granted (in shares)										10,000
2019 Option Grants \| Tranche One
Class Of Stock [Line Items]
Period of consecutive trading days										20 days
Amount per share (in dollars per share)										$ 40.00
Number of awards vesting (in shares)										3,333
2019 Option Grants \| Tranche Two
Class Of Stock [Line Items]
Period of consecutive trading days										20 days
Amount per share (in dollars per share)										$ 45.00
Number of awards vesting (in shares)										3,333
2019 Option Grants \| Tranche Three
Class Of Stock [Line Items]
Period of consecutive trading days										20 days
Amount per share (in dollars per share)										$ 50.00
Number of awards vesting (in shares)										3,334
2019 Option Grants \| Maximum
Class Of Stock [Line Items]
Share price (in dollars per share)														$ 40.00
2018 Option Grants
Class Of Stock [Line Items]
Shares issued (in dollars per share)											$ 33.60
Period following an executive's termination of employment for a number of reasons											18 months
Period following an executive's termination of employment without cause											12 months
2018 Option Grants \| Chief Financial Officer
Class Of Stock [Line Items]
Granted (in shares)											90,000
Percentage of options												25.00%
Options, forfeited														67,500
2018 Option Grants \| Chief Executive Officer
Class Of Stock [Line Items]
Granted (in shares)											210,000
2018 Option Grants \| Tranche One
Class Of Stock [Line Items]
Percentage of options											25.00%
Period of consecutive trading days											20 days
Amount per share (in dollars per share)											$ 35.00
2018 Option Grants \| Tranche Two
Class Of Stock [Line Items]
Percentage of options											25.00%
Period of consecutive trading days											20 days
Amount per share (in dollars per share)											$ 40.00
2018 Option Grants \| Tranche Three
Class Of Stock [Line Items]
Percentage of options											25.00%
Period of consecutive trading days											20 days
Amount per share (in dollars per share)											$ 45.00
2018 Option Grants \| Tranche Four
Class Of Stock [Line Items]
Percentage of options											25.00%
Period of consecutive trading days											20 days
Amount per share (in dollars per share)											$ 50.00
2020 Option Grants \| Options
Class Of Stock [Line Items]
Grants in period, weighted average (in dollars per share)												$ 3.20