SUBORDINATED DEBENTURES (Additional Information) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Subordinated Borrowing [Line Items]
Subordinated Debt	$ 37,389	$ 37,425
Subordinated Debt [Member]
Subordinated Borrowing [Line Items]
Subordinated Debt	25,000	25,000
Purchase accounting premium	$ 1,989	2,023
Maturity period	10 years
Subordinated debt maturity date	Oct. 15, 2025
Subordinated debt fixed interest rate	6.00%
Description of Variable Rate Basis	Libor plus 467 basis points
Subordinated debt variable interest rate	4.67%
Trust preferred capital notes [Member]
Subordinated Borrowing [Line Items]
Subordinated Debt	$ 10,310	10,310
Purchase accounting premium	$ 90	$ 92
Subordinated debt maturity date	Jun. 30, 2033
Subordinated debt fixed interest rate	5.75%
Description of Variable Rate Basis	Libor plus 3.15%
Subordinated debt variable interest rate	3.15%