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LOW-INCOME HOUSING TAX CREDIT INVESTMENT (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule of Investments [Line Items]    
Unfunded commitments $ 2.2 $ 2.5
Tax credits and other benefits 0.1 0.0
Impairment losses 0.0 0.0
Other Assets [Member]    
Schedule of Investments [Line Items]    
Investment balance 1.1 0.9
Income Tax Expense (Benefit)    
Schedule of Investments [Line Items]    
Amortization expense $ 0.2 $ 0.0