RETIREMENT PLANS - EXPECTED BENEFIT PAYMENTS (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Pension Plan
Expected Benefit Payments:
Fiscal year ending September 30, 2022	$ 320
Fiscal year ending September 30, 2023	470
Fiscal year ending September 30, 2024	533
Fiscal year ending September 30, 2025	526
Fiscal year ending September 30, 2026	519
Fiscal years ending September 30, 2027 through 2031	2,840
SERP
Expected Benefit Payments:
Fiscal year ending September 30, 2022	35
Fiscal year ending September 30, 2023	97
Fiscal year ending September 30, 2024	123
Fiscal year ending September 30, 2025	122
Fiscal year ending September 30, 2026	121
Fiscal years ending September 30, 2027 through 2031	$ 636

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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