SUBORDINATED DEBENTURES (Additional Information) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Subordinated Borrowing [Line Items]
Subordinated Debt	$ 37,425	$ 0
Repayments of Subordinated Debt	0	$ 30,000	$ 5,000
Subordinated Debt [Member]
Subordinated Borrowing [Line Items]
Subordinated Debt	25,000
Purchase accounting premium	$ 2,023
Maturity period	10 years
Subordinated debt maturity date	Oct. 15, 2025
Subordinated debt fixed interest rate	6.00%
Trust preferred capital notes [Member]
Subordinated Borrowing [Line Items]
Subordinated Debt	$ 10,310
Purchase accounting premium	$ 92
Subordinated debt maturity date	Jun. 30, 2033
Subordinated debt fixed interest rate	5.96%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt [Member]
Subordinated Borrowing [Line Items]
Description of Variable Rate Basis	Libor plus 467 basis points
Subordinated debt variable interest rate	4.67%
London Interbank Offered Rate (LIBOR) [Member] | Trust preferred capital notes [Member]
Subordinated Borrowing [Line Items]
Description of Variable Rate Basis	Libor plus 3.15%
Subordinated debt variable interest rate	3.15%