LOANS - Summarizes Changes in Total Contractually Required Principal and Interest Cash Payments (Details) - Purchased Credit Impaired Loan [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	$ 12,982	$ 16,531	$ 12,996	$ 12,109
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	13,132	13,652	13,132	13,652
Accretable yield [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	3,510	3,143	3,807	2,610
Additions	0	1,215	0	1,831
Deletions	(10)	1,086	(10)	1,271
Accretion	(451)	(770)	(816)	(1,038)
Reclassifications from nonaccretable difference	216	0	284	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	3,265	4,674	3,265	4,674
Recorded investment of acquired loans [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	12,982	16,531	12,996	12,109
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	13,132	13,652	13,132	13,652
Allowance for loan losses [Member]
Schedule of Contractually Required Principal And Interest Cash Payments Changes [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	0	0	0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	$ 0	$ 0	$ 0	$ 0