LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Activity in Allowance for Credit Losses on Loans by Portfolio Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	$ 36,922	$ 33,256	$ 33,256
Charge-offs	(334)	(312)	(1,242)
Recoveries	107	62	478
(Credit) provision for loan losses	439	(1,221)	4,430
Ending Balance	37,134	31,785
Commercial real estate - non-owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	17,296	18,834	18,834
Charge-offs	0	0	0
Recoveries	1	1	3
(Credit) provision for loan losses	(973)	(2,263)	(1,541)
Ending Balance	16,324	16,572
Commercial real estate - owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	2,362	2,539	2,539
Charge-offs	0	0	0
Recoveries	0	2	2
(Credit) provision for loan losses	108	(202)	(179)
Ending Balance	2,470	2,339
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	5,446	4,202	4,202
Charge-offs	(312)	(245)	(1,042)
Recoveries	99	57	379
(Credit) provision for loan losses	(652)	843	1,907
Ending Balance	4,581	4,857
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	9,089	6,133	6,133
Charge-offs	(18)	0	(66)
Recoveries	4	0	0
(Credit) provision for loan losses	1,737	343	3,022
Ending Balance	10,812	6,476
Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	2,225	1,469	1,469
Charge-offs	0	0	0
Recoveries	0	0	87
(Credit) provision for loan losses	215	(34)	669
Ending Balance	2,440	1,435
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	504	79	79
Charge-offs	(4)	(67)	(134)
Recoveries	3	2	7
(Credit) provision for loan losses	4	92	$ 552
Ending Balance	$ 507	$ 106