LOANS AND LEASES (Troubled Debt Restructurings) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) contract	Dec. 31, 2015 USD ($) contract
Financial effects of TDRs [Abstract]
Number of Contracts | contract	67	68
Pre-Modification Outstanding Recorded Investment	$ 32,877	$ 21,992
Post-Modification Outstanding Recorded Investment	$ 30,382	$ 21,428
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract	21	9
Recorded Investment	$ 14,303	$ 1,044
Commercial And Industrial [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract	25	11
Pre-Modification Outstanding Recorded Investment	$ 14,469	$ 1,472
Post-Modification Outstanding Recorded Investment	$ 14,305	$ 1,452
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract	8	1
Recorded Investment	$ 3,804	$ 84
All Other [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract	8	7
Pre-Modification Outstanding Recorded Investment	$ 3,622	$ 94
Post-Modification Outstanding Recorded Investment	$ 3,608	$ 88
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract	2
Recorded Investment	$ 20
Consumer Mortgages [Member] | Real Estate [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract	16	21
Pre-Modification Outstanding Recorded Investment	$ 1,429	$ 1,230
Post-Modification Outstanding Recorded Investment	$ 1,354	$ 1,144
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract	7	4
Recorded Investment	$ 597	$ 226
Home Equity [Member] | Real Estate [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract	1	1
Pre-Modification Outstanding Recorded Investment	$ 3	$ 20
Post-Modification Outstanding Recorded Investment	$ 3	$ 20
Agricultural [Member] | Real Estate [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract	2	3
Pre-Modification Outstanding Recorded Investment	$ 79	$ 37
Post-Modification Outstanding Recorded Investment	$ 79	$ 36
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract		1
Recorded Investment		$ 20
Commercial And Industrial-Owner Occupied [Member] | Real Estate [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract	10	13
Pre-Modification Outstanding Recorded Investment	$ 4,344	$ 6,357
Post-Modification Outstanding Recorded Investment	$ 4,331	$ 6,329
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract	2	1
Recorded Investment	$ 532	$ 517
Construction, Acquisition And Development [Member] | Real Estate [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract		3
Pre-Modification Outstanding Recorded Investment		$ 217
Post-Modification Outstanding Recorded Investment		$ 215
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract	1
Recorded Investment	$ 14
Commercial Real Estate [Member] | Real Estate [Member]
Financial effects of TDRs [Abstract]
Number of Contracts | contract	5	9
Pre-Modification Outstanding Recorded Investment	$ 8,931	$ 12,565
Post-Modification Outstanding Recorded Investment	$ 6,702	$ 12,144
TDRs modified for which there was a payment default [Abstract]
Number of Contracts | contract	1	2
Recorded Investment	$ 9,336	$ 197