REVENUE FROM CONTRACTS WITH CUSTOMERS (Schedule of Noninterest Income by Operating Segment) (Details) - USD ($)		3 Months Ended				6 Months Ended
		Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022		Jun. 30, 2021
Service charges on deposits
Overdraft fees		$ 118,000		$ 87,000		$ 231,000		$ 180,000
Interchange income		379,000		370,000		721,000		687,000
Other		566,000		439,000		1,063,000		875,000
Wealth management fees	[1]	13,891,000		13,034,000		28,725,000		25,165,000
Corporate advisory fee income		33,000		121,000		1,594,000		1,219,000
Gains/(losses) on sales of OREO		0		51,000		0		51,000
Other	[2]	3,521,000	[3]	3,576,000	[3]	888,000		7,321,000
Total noninterest other income		18,508,000		17,678,000		33,222,000		35,498,000
Banking Segment [Member]
Service charges on deposits
Overdraft fees		118,000		87,000		231,000		180,000
Interchange income		379,000		370,000		721,000		687,000
Other		566,000		439,000		1,063,000		875,000
Wealth management fees	[4]	0		0		0		0
Corporate advisory fee income		33,000		121,000		1,594,000		1,219,000
Gains/(losses) on sales of OREO		0		51,000		0		51,000
Other		3,023,000	[3]	3,126,000	[2]	81,000	[3]	6,322,000	[2]
Total noninterest other income		4,119,000		4,194,000		3,690,000		9,334,000
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	[4]	13,891,000		13,034,000		28,725,000		25,165,000
Corporate advisory fee income		0		0		0		0
Gains/(losses) on sales of OREO		0		0		0		0
Other	[2]	498,000		450,000		807,000		999,000
Total noninterest other income		$ 14,389,000		$ 13,484,000		$ 29,532,000		$ 26,164,000

[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.