LOANS AND LEASES - Changes in Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period	$ 1,421	$ 1,853	$ 1,401	$ 2,781
Additions	321	818	1,729	2,992
Disposals	(553)	(298)	(1,207)	(3,138)
Write-downs	(424)	455	310	717
Balance at end of period	1,613	1,918	1,613	1,918
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	217	79	353	1,269
Disposals	(228)	(181)	(498)	(2,611)
Write-downs	56	258	111	355
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	104	739	1,376	1,723
Disposals	(325)	(117)	(709)	(527)
Write-downs	$ (480)	$ 197	$ 199	$ 362