GOODWILL AND OTHER INTANGIBLE ASSETS (Future Estimated Amortization Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	$ 994	$ 923	$ 3,034	$ 2,672
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	103	112	314	340
Customer Relationship Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	779	737	2,384	2,075
Non-Solicitation Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	$ 112	$ 74	$ 336	$ 257