BORROWINGS (Advances from the FHLB) - Fixed rate (Details)	Dec. 31, 2019
Maturing in 2020, fixed rate at rates from 1.86% to 2.09%, weighted averaging 2.02% | Minimum
Federal Home Loan Bank, Advances [Line Items]
Interest rate for Federal Home Loan Bank advances	1.86%
Maturing in 2020, fixed rate at rates from 1.86% to 2.09%, weighted averaging 2.02% | Maximum
Federal Home Loan Bank, Advances [Line Items]
Interest rate for Federal Home Loan Bank advances	2.09%
Maturing in 2020, fixed rate at rates from 1.86% to 2.09%, weighted averaging 2.02% | Weighted Average
Federal Home Loan Bank, Advances [Line Items]
Weighted average interest rate for Federal Home Loan Bank advances	2.02%
Maturing in 2019, fixed rate at rates from 2.47% to 2.73%, weighted averaging 2.64% | Minimum
Federal Home Loan Bank, Advances [Line Items]
Interest rate for Federal Home Loan Bank advances	2.47%
Maturing in 2019, fixed rate at rates from 2.47% to 2.73%, weighted averaging 2.64% | Maximum
Federal Home Loan Bank, Advances [Line Items]
Interest rate for Federal Home Loan Bank advances	2.73%
Maturing in 2019, fixed rate at rates from 2.47% to 2.73%, weighted averaging 2.64% | Weighted Average
Federal Home Loan Bank, Advances [Line Items]
Weighted average interest rate for Federal Home Loan Bank advances	2.64%