LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - IMPAIRED LOANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Impaired loans
Loans with no allocated Allowance	$ 21,416	$ 26,143	$ 32,560
Loans with allocated Allowance	31,268	39,980	53,620
Total impaired loans	52,684	66,123	86,180
Amount of the Allowance	4,925	5,427	5,564
Average of individually impaired loans during the year	56,981	74,482	92,428
Interest income recognized during impairment	1,466	1,882	$ 4,279
PCI loan
Impaired loans
Total impaired loans	4,000	7,000
Impaired Loans
Impaired loans
Total impaired loans	$ 3,000	$ 1,000