INCOME TAXES (Additional Information) (Detail) - USD ($)	36 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Retained earnings - substantially restricted	$ 150,185,000	$ 123,158,000
Deferred Tax Liabilities, Deferred Expense	$ 957,000	957,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Tax Credit Carryforward, Amount	$ 7,400,000
Deferred Tax Assets, Valuation Allowance	1,648,000	1,681,000
Cumulative Effect Period Of Adoption Adjustment Member
Retained earnings - substantially restricted	$ 4,600,000	$ 166,000