REVENUE FROM CONTRACTS WITH CUSTOMERS (Schedule of Noninterest Income) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Service charges on deposits
Overdraft fees		$ 88	$ 176	$ 307	$ 500
Interchange income		319	323	869	909
Other		378	383	1,120	1,186
Wealth management fees	[1]	10,119	9,501	30,070	28,243
Other	[2]	9,307	4,033	14,988	8,333
Total other income		$ 20,211	$ 14,416	$ 47,354	$ 39,171

[1] Includes investment brokerage fees.

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