REVENUE FROM CONTRACTS WITH CUSTOMERS (Schedule of Noninterest Income by Operating Segment) (Details) - USD ($)		3 Months Ended				9 Months Ended
		Sep. 30, 2022		Sep. 30, 2021		Sep. 30, 2022		Sep. 30, 2021
Service charges on deposits
Overdraft fees		$ 129,000		$ 117,000		$ 360,000		$ 297,000
Interchange income		356,000		374,000		1,077,000		1,061,000
Other		575,000		468,000		1,638,000		1,343,000
Wealth management fees	[1]	12,943,000		13,860,000		41,668,000		39,025,000
Corporate advisory fee income		102,000		84,000		1,696,000		1,303,000
Gains/(losses) on sales of OREO						0		51,000
Other	[2]	2,278,000	[3]	2,878,000	[3]	3,166,000		10,199,000
Total noninterest other income		16,383,000		17,781,000		49,605,000		53,279,000
Banking Segment [Member]
Service charges on deposits
Overdraft fees		129,000		117,000		360,000		297,000
Interchange income		356,000		374,000		1,077,000		1,061,000
Other		575,000		468,000		1,638,000		1,343,000
Wealth management fees	[4]	0		0		0		0
Corporate advisory fee income		102,000		84,000		1,696,000		1,303,000
Gains/(losses) on sales of OREO						0		51,000
Other		1,793,000	[3]	2,433,000	[2]	1,874,000	[3]	8,755,000	[2]
Total noninterest other income		2,955,000		3,476,000		6,645,000		12,810,000
Wealth Management Division [Member]
Service charges on deposits
Overdraft fees				0		0		0
Interchange income				0		0		0
Other				0		0		0
Wealth management fees	[4]	12,943,000		13,860,000		41,668,000		39,025,000
Corporate advisory fee income				0		0		0
Gains/(losses) on sales of OREO						0		0
Other		485,000	[3]	445,000	[2]	1,292,000	[2]	1,444,000	[2]
Total noninterest other income		$ 13,428,000		$ 14,305,000		$ 42,960,000		$ 40,469,000

[1] Includes investment brokerage fees.

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

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

[4] Includes investment brokerage fees.