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STOCK COMPENSATION PLANS (Details) - $ / shares					1 Months Ended						9 Months Ended
STOCK COMPENSATION PLANS (Details) - $ / shares	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2019	Apr. 30, 2018	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016	May 31, 2015	Sep. 30, 2019	Sep. 30, 2018
Summary of nonvested shares
Nonvested beginning balance (in shares)											69,322
Granted during the period (in shares)											27,790
Vested during the period (in shares)											(27,967)
Nonvested ending balance (in shares)											69,145
Weighted Average Grant Date Fair Value
Nonvested beginning balance (in dollars per share)											$ 12.79
Granted during the period (in dollars per share)											15.70
Vested during the period (in dollars per share)											12.09
Nonvested ending balance (in dollars per share)											$ 14.32
RSUs
Stock Compensation Plans
Vesting period	4 years	4 years	4 years	4 years							4 years
Market value at grant date (in dollars per share)	$ 15.70	$ 16.30	$ 13.39	$ 9.91	$ 15.70	$ 16.00	$ 16.30	$ 13.39	$ 9.91	$ 10.77
Stock issued for vested restricted stocks											27,967	45,630
Summary of nonvested shares
Granted during the period (in shares)					27,790	8,000	18,643	28,427	35,733	3,000