EQUITY-BASED INCENTIVE AWARDS - Authorized and Approved Restricted Stock Units/Restricted Stock Awards (Details) - USD ($)	1 Months Ended			12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021	Sep. 30, 2024	Sep. 30, 2023
Restricted Stock Units
EQUITY-BASED INCENTIVE AWARD
Original number of awards issued				0	0
Non-vested awards outstanding at the end of the period (in shares)				0	6,834
Vested during the period (in shares)				6,834
Restricted Stock Awards
EQUITY-BASED INCENTIVE AWARD
Original number of awards issued				15,100
Non-vested awards outstanding at the end of the period (in shares)				30,201	25,167
Vested during the period (in shares)				10,066
Direct cost to the recipients of the restricted stock units				$ 0
Compensation expense				2,600,000	$ 1,600,000
Tax benefit related to compensation expense				700,000	$ 400,000
Total unamortized compensation expense				$ 2,800,000
Period over which unamortized compensation expense is expected to be amortized				16 months
Restricted Stock Awards October 2021
EQUITY-BASED INCENTIVE AWARD
Original number of awards issued			15,100
Service period			36 months
Estimated fair value of award at grant date			$ 2,089,000
Non-vested awards outstanding at the end of the period (in shares)				5,034
Fair value of non-vested awards at the end of the period				$ 730,000
Vested as of the end of the period (in shares)				10,066
Restricted Stock Awards October 2021 | Vest in October 2024
EQUITY-BASED INCENTIVE AWARD
Scheduled to vest				5,034
Restricted Stock Awards October 2022
EQUITY-BASED INCENTIVE AWARD
Original number of awards issued		15,100
Service period		36 months
Estimated fair value of award at grant date		$ 2,824,000
Non-vested awards outstanding at the end of the period (in shares)				10,067
Fair value of non-vested awards at the end of the period				$ 1,459,000
Vested during the period (in shares)				5,033
Restricted Stock Awards October 2022 | Vest in October 2024
EQUITY-BASED INCENTIVE AWARD
Scheduled to vest				5,033
Restricted Stock Awards October 2022 | Vest in October 2025
EQUITY-BASED INCENTIVE AWARD
Scheduled to vest				5,034
Restricted Stock Awards October 2023
EQUITY-BASED INCENTIVE AWARD
Original number of awards issued	15,100
Service period	36 months
Estimated fair value of award at grant date	$ 2,762,000
Non-vested awards outstanding at the end of the period (in shares)				15,100
Fair value of non-vested awards at the end of the period				$ 2,189,000
Restricted Stock Awards October 2023 | Vest in October 2024
EQUITY-BASED INCENTIVE AWARD
Scheduled to vest				15,100
Restricted Stock Awards October 2023 | Vest in October 2025
EQUITY-BASED INCENTIVE AWARD
Scheduled to vest				15,100
Restricted Stock Awards October 2023 | Vest in October 2026
EQUITY-BASED INCENTIVE AWARD
Scheduled to vest				15,100