REVENUE FROM CONTRACTS WITH CUSTOMERS (Schedule of Noninterest Income by Operating Segment) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Service charges on deposits
Overdraft fees		$ 179	$ 180	$ 543	$ 542
Interchange income		305	287	921	853
Other		376	349	1,100	1,007
Wealth management fees		7,982	5,575	24,041	15,032
Investment brokerage fees		218	215	652	662
Gains/(losses) on sales of OREO		(59)	0	(32)	0
Other	[1]	1,982	2,225	5,713	5,925
Total other income		10,983	8,831	32,938	24,021
Banking [Member]
Service charges on deposits
Overdraft fees		179	180	543	542
Interchange income		305	287	921	853
Other		376	349	1,100	1,007
Wealth management fees		0	0	0	0
Investment brokerage fees		0	0	0	0
Gains/(losses) on sales of OREO		(59)	0	(32)	0
Other	[1]	1,769	2,112	5,018	5,573
Total other income		2,570	2,928	7,550	7,975
Wealth Management Division [Member]
Service charges on deposits
Overdraft fees		0	0	0	0
Interchange income		0	0	0	0
Other		0	0	0	0
Wealth management fees		7,982	5,575	24,041	15,032
Investment brokerage fees		218	215	652	662
Gains/(losses) on sales of OREO		0	0	0	0
Other	[1]	213	113	695	352
Total other income		$ 8,413	$ 5,903	$ 25,388	$ 16,046

[1] All of the other category is outside the scope of ASC 606.