LOW-INCOME HOUSING TAX CREDIT INVESTMENT (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Schedule of Investments [Line Items]
Unfunded commitments	$ 0.0		$ 0.2
Tax credits and other benefits	0.1
Impairment losses	0.0	$ 0.0
Other Assets [Member]
Schedule of Investments [Line Items]
Investment balance	2.7		$ 2.6
Income Tax Expense (Benefit).
Schedule of Investments [Line Items]
Amortization expense	$ 0.1	$ 0.1