SUBSEQUENT EVENT (Details) - USD ($) $ in Millions		9 Months Ended
	Nov. 05, 2019	Sep. 30, 2019
Subordinated Debt [Member]
Subsequent Event [Line Items]
Subordinated Borrowing, Due Date		Oct. 15, 2025
Subordinated debt fixed interest rate		6.00%
Description of Variable Rate Basis		LIBOR plus 467 basis points
Trust preferred securities [Member]
Subsequent Event [Line Items]
Subordinated Borrowing, Due Date		Jun. 30, 2033
Description of Variable Rate Basis		LIBOR plus 3.15%
Basis spread variable interest rate		5.24%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt [Member]
Subsequent Event [Line Items]
Basis spread variable interest rate		4.67%
London Interbank Offered Rate (LIBOR) [Member] | Trust preferred securities [Member]
Subsequent Event [Line Items]
Basis spread variable interest rate		3.15%
Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Issuance Date	Nov. 05, 2019
Subsequent Event [Member] | Subordinated Debt [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount	$ 175
Subordinated debt fixed interest rate	4.25%
Subsequent Event [Member] | Subordinated Debt [Member] | Scenario, Plan [Member]
Subsequent Event [Line Items]
Early repayment of subordinated debt	$ 25
Subsequent Event [Member] | Trust preferred securities [Member] | Scenario, Plan [Member]
Subsequent Event [Line Items]
Early repayment of subordinated debt	$ 10
Subsequent Event [Member] | London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt [Member]
Subsequent Event [Line Items]
Description of Variable Rate Basis	LIBOR plus 262 basis points
Basis spread variable interest rate	2.62%