LOANS AND LEASES - Changes in Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period	$ 340	$ 1,872	$ 1,287	$ 2,033
Additions	0	323	98	792
Disposals	0	(510)	(1,036)	(1,487)
Other Real Estate, Period Increase (Decrease)	0	42	9	(305)
Balance at end of period	340	1,643	340	1,643
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	0	187	98	510
Disposals	0	0	(768)	(217)
Other Real Estate, Period Increase (Decrease)	0	22	9	(448)
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	0	136	0	282
Disposals	0	(510)	(268)	(1,270)
Other Real Estate, Period Increase (Decrease)	$ 0	$ 20	$ 0	$ 143