COVID-19 AND CURRENT ECONOMIC CONDITIONS (Details) $ in Millions		3 Months Ended
	Oct. 21, 2020 USD ($) borrower	Sep. 30, 2020 USD ($) borrower
Unusual or Infrequent Item, or Both [Line Items]
Financing receivable, loan portfolio, deferrals, COVID-19	$ 110.5	$ 158.4
Financing receivable, loan portfolio, deferrals, COVID-19, borrowers | borrower	63	102
Financing receivable, loan portfolio, deferrals, COVID-19, percentage of loan portfolio (as a percent)	2.40%	3.40%
Commercial Loan
Unusual or Infrequent Item, or Both [Line Items]
Financing receivable, loan portfolio, deferrals, COVID-19	$ 107.5	$ 155.2
Financing receivable, loan portfolio, deferrals, COVID-19, borrowers | borrower	37	71
Financing receivable, loan portfolio, deferrals, COVID-19, percentage of loan portfolio (as a percent)	2.50%	3.70%
Loans under first deferral action	$ 8.1	$ 15.3
Loans under second deferral action	69.8	116.2
Loans under third deferral action	29.7	23.7
Consumer Loan
Unusual or Infrequent Item, or Both [Line Items]
Financing receivable, loan portfolio, deferrals, COVID-19	$ 3.0	$ 3.3
Financing receivable, loan portfolio, deferrals, COVID-19, borrowers | borrower	26	31
Financing receivable, loan portfolio, deferrals, COVID-19, percentage of loan portfolio (as a percent)	0.80%	0.90%