SUBORDINATED DEBENTURES (Detailed information) (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2003
Borrowings [Line Items]
Subordinated Debt	$ 37,316	$ 37,425
Subordinated Debt [Member]
Borrowings [Line Items]
Subordinated Debt	25,000	25,000
Purchase accounting premium	1,918	2,023	$ 2,200
Trust preferred securities [Member]
Borrowings [Line Items]
Subordinated Debt	10,310	10,310		$ 10,300
Purchase accounting premium	$ 88	$ 92	$ 100