EQUITY COMPENSATION PLANS - Restricted Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restricted Stock [Member]
Number of Shares [Roll Forward]
Unvested, beginning of period (in shares)			75,833
Granted (in shares)			275,430
Vested (in shares)			(41,504)
Forfeited (in shares)			(10,189)
Unvested, end of period (in shares)	299,570		299,570
Weighted-Average Grant Date Fair Value [Roll Forward]
Unvested, beginning of period (in dollars per share)			$ 19.87
Granted (in dollars per share)			19.73
Vested (in dollars per share)			19.77
Forfeited (in dollars per share)			19.47
Unvested, end of period (in dollars per share)	$ 19.77		$ 19.77
Compensation expenses	$ 482	$ 224	$ 1,100	$ 669
Unrealized compensation cost	$ 5,300		$ 5,300
Weighted-average term for recognizing unrealized compensation cost			4 years 1 month 13 days
Total fair value of shares vested			$ 824	$ 868
Restricted Stock [Member] | Three-year Vesting Period [Member]
Restricted Stock [Abstract]
Award vesting period			3 years
Number of Shares [Roll Forward]
Granted (in shares)			44,642
Restricted Stock [Member] | Five-year vesting period [Member]
Restricted Stock [Abstract]
Award vesting period			5 years
Number of Shares [Roll Forward]
Granted (in shares)			230,788
Restricted Stock Units (RSUs) [Member]
Restricted Stock [Abstract]
Award vesting period			3 years
Number of Shares [Roll Forward]
Unvested, beginning of period (in shares)			0
Granted (in shares)			51,097	0
Vested (in shares)			0
Forfeited (in shares)			0
Unvested, end of period (in shares)	51,097		51,097
Weighted-Average Grant Date Fair Value [Roll Forward]
Unvested, beginning of period (in dollars per share)			$ 0
Granted (in dollars per share)			19.73
Vested (in dollars per share)			0
Forfeited (in dollars per share)			0
Unvested, end of period (in dollars per share)	$ 19.73		$ 19.73
Compensation expenses	$ 82	$ 0	$ 139	$ 0
Unrealized compensation cost	$ 869		$ 869
Weighted-average term for recognizing unrealized compensation cost			2 years 8 months 12 days