Alico, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Common Stock and Options - Narrative (Details)

Common Stock and Options - Narrative (Details) - USD ($)														12 Months Ended
	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	Feb. 11, 2019	Oct. 25, 2018	Sep. 07, 2018	Dec. 31, 2016	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020	Feb. 27, 2015
Class Of Stock [Line Items]
Total stock-based compensation expense														$ 1,235,000	$ 1,230,000	$ 1,306,000
Employee stock options granted (in shares)														0	0	118,000
Period of consecutive trading days										20 days
Common shares available														126,500	218,000	293,000
Restricted Stock
Class Of Stock [Line Items]
Total stock-based compensation expense														$ 459,000	$ 144,000	$ 69,000
Number of restricted shares awarded														30,227	5,885
Weighted average fair value (in dollars per share)														$ 37.82	$ 31.20
Number of restricted shares vested														6,740	0	5,666
Number of restricted shares forfeited														826
Unrecognized expense														$ 692,000	$ 40,000
Aggregate value of shares vested																$ 251,000
Options
Class Of Stock [Line Items]
Total stock-based compensation expense														115,000	242,000	504,000
Unrecognized expense														$ 18,000	134,000
Unrecognized compensation cost, expected recognition period														3 months
Board of Directors Fees
Class Of Stock [Line Items]
Total stock-based compensation expense														$ 661,000,000	$ 844,000,000	$ 733,000,000
Maximum [Member]
Class Of Stock [Line Items]
Share price (in dollars per share)										$ 35.00
2015 Option Grants
Class Of Stock [Line Items]
Number of shares authorized to be repurchased (up to)																	1,250,000
2015 Option Grants \| Options
Class Of Stock [Line Items]
Common shares available														1,092,000
2015 Option Grants \| Chief Financial Officer \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded	747
Weighted average fair value (in dollars per share)	$ 33.50
2015 Option Grants \| Chief Executive Officer \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded			12,500	5,000			2,500
Weighted average fair value (in dollars per share)			$ 40.17	$ 37.98			$ 34.41
2015 Option Grants \| President \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded			12,500	5,000			2,500
Weighted average fair value (in dollars per share)			$ 40.17	$ 37.98			$ 34.41
2015 Option Grants \| Employees \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded					7,256
Weighted average fair value (in dollars per share)					$ 35.50
Number of restricted shares vested														1,144
2015 Option Grants \| Executive Officer \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded						2,224
Weighted average fair value (in dollars per share)						$ 37.13
Number of restricted shares forfeited		674
2015 Option Grants \| Other Executives \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded								5,885
Weighted average fair value (in dollars per share)								$ 31.20
2015 Option Grants \| Senior Managers \| Restricted Stock
Class Of Stock [Line Items]
Number of restricted shares awarded						2,224		5,885
Weighted average fair value (in dollars per share)						$ 37.13		$ 31.20
2015 Option Grants \| Minimum
Class Of Stock [Line Items]
Award vesting period															1 year
2015 Option Grants \| Maximum [Member]
Class Of Stock [Line Items]
Award vesting period															6 years
2020 Option Grants
Class Of Stock [Line Items]
Employee stock options 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
Number of awards vesting (in shares)														0
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 \| Options
Class Of Stock [Line Items]
Grants in period, weighted average (in dollars per share)															$ 3.20
2020 Option Grants \| Minimum
Class Of Stock [Line Items]
Share price (in dollars per share)														$ 40.00		$ 35.00
2020 Option Grants \| Maximum [Member]
Class Of Stock [Line Items]
Share price (in dollars per share)																$ 35.00
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
Number of awards vesting (in shares)														0
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 \| Options
Class Of Stock [Line Items]
Grants in period, weighted average (in dollars per share)															7.10
2019 Option Grants \| Chief Financial Officer
Class Of Stock [Line Items]
Employee stock options granted (in shares)											10,000
2019 Option Grants \| Chief Executive Officer \| Tranche Two
Class Of Stock [Line Items]
Period of consecutive trading days										20 days
2019 Option Grants \| Maximum [Member]
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
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
Number of awards vesting (in shares)														0
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
2018 Option Grants \| Chief Financial Officer
Class Of Stock [Line Items]
Employee stock options granted (in shares)												90,000
2018 Option Grants \| Chief Executive Officer
Class Of Stock [Line Items]
Employee stock options granted (in shares)												210,000
2018 Option Grants \| Chief Executive Officer \| Tranche One
Class Of Stock [Line Items]
Period of consecutive trading days										20 days
Amount per share (in dollars per share)										$ 35.00
Number of shares expected to vest (in shares)										26,250
2018 Option Grants \| Chief Executive Officer \| Tranche Two
Class Of Stock [Line Items]
Amount per share (in dollars per share)										$ 40.00
Number of shares expected to vest (in shares)										26,250
2018 Option Grants \| Minimum
Class Of Stock [Line Items]
Share price (in dollars per share)																$ 35.00
2018 Option Grants \| Maximum [Member]
Class Of Stock [Line Items]
Share price (in dollars per share)														$ 40.00
2016 Option Grants
Class Of Stock [Line Items]
Shares issued (in dollars per share)													$ 27.15
Period following an executive's termination of employment for a number of reasons													18 months
Number of awards vesting (in shares)														0
2016 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)													$ 60.00
2016 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)													$ 75.00
2016 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)													$ 90.00
2016 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)													$ 105.00
2016 Option Grants \| Chief Executive Officer
Class Of Stock [Line Items]
Employee stock options granted (in shares)													300,000
2016 Option Grants \| Board of Directors Chairman
Class Of Stock [Line Items]
Employee stock options granted (in shares)													225,000
2016 Option Grants \| Maximum [Member]
Class Of Stock [Line Items]
Share price (in dollars per share)															60.00
2019 Option Grants \| Options
Class Of Stock [Line Items]
Grants in period, weighted average (in dollars per share)															$ 1.40
2019 Option Grants \| Chief Executive Officer \| Tranche One
Class Of Stock [Line Items]
Shares forfeited (in shares)										26,250
2019 Option Grants \| Chief Executive Officer \| Tranche Two
Class Of Stock [Line Items]
Period of consecutive trading days										20 days
Shares forfeited (in shares)										26,250
2019 Option Grants \| Maximum [Member] \| Chief Executive Officer \| Tranche Two
Class Of Stock [Line Items]
Share price (in dollars per share)										$ 40.00