LOANS AND LEASES - Changes in Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period	$ 1,665	$ 1,065	$ 1,401	$ 2,781
Additions	904	1,545	1,408	2,174
Disposals	(471)	(618)	(654)	(2,840)
Write-downs	677	139	734	262
Balance at end of period	1,421	1,853	1,421	1,853
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	136	1,020	136	1,190
Disposals	(248)	(326)	(270)	(2,430)
Write-downs	55	0	55	97
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	768	525	1,272	984
Disposals	(223)	(292)	(384)	(410)
Write-downs	$ 622	$ 139	$ 679	$ 165