LOANS AND LEASES (Schedule of Loan Balances by Pool Segment and Portfolio Class) (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
		Jun. 30, 2022	Dec. 31, 2021
Total loans		$ 5,149,800	$ 4,802,758
Net deferred costs			3,963
Total loans including net deferred costs		5,153,873	$ 4,806,721
Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			100.00%
Current Expected Credit Loss Methodology [Member]
Total loans		5,149,800
Net deferred costs		4,073
Total loans including net deferred costs		$ 5,153,873
Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		100.00%
Construction [Member]
Total loans		$ 20,758
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Total loans		515,084	$ 500,243
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			10.42%
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 515,084
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		10.00%
Residential Portfolio Segment [Member] | Multifamily Property [Member]
Total loans		$ 1,876,783	$ 1,595,866
Total loans including net deferred costs		1,876,783	$ 1,595,866
Residential Portfolio Segment [Member] | Multifamily Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			33.23%
Residential Portfolio Segment [Member] | Multifamily Property [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 1,876,783
Residential Portfolio Segment [Member] | Multifamily Property [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		36.44%
Residential Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Total loans			$ 40,803
Total loans including net deferred costs		$ 36,023	$ 40,803
Residential Portfolio Segment [Member] | Home Equity Line of Credit [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			0.85%
Residential Portfolio Segment [Member] | Junior Lien [Member]
Total loans		39,010	$ 3,191
Residential Portfolio Segment [Member] | Junior Lien [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			0.07%
Residential Portfolio Segment [Member] | Junior Lien [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 39,010
Residential Portfolio Segment [Member] | Junior Lien [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		0.76%
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Total loans		$ 251,281	$ 252,603
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			5.26%
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 251,281
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		4.88%
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Total loans		$ 1,068,288	$ 1,003,979
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			20.90%
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 1,068,288
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		20.74%
Commercial Portfolio Segment [Member] | Construction [Member]
Total loans		$ 20,758	$ 20,174
Total loans including net deferred costs		15,473	$ 20,044
Commercial Portfolio Segment [Member] | Construction [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			0.42%
Commercial Portfolio Segment [Member] | Construction [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 20,758
Commercial Portfolio Segment [Member] | Construction [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		0.40%
Consumer and Other Loans [Member]
Total loans		$ 43,774	$ 40,828
Consumer and Other Loans [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			0.85%
Consumer and Other Loans [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 43,774
Consumer and Other Loans [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		0.85%
Commercial and Industrial [Member] | Commercial Portfolio Segment [Member]
Total loans		$ 1,019,875	$ 992,332	[1]
Commercial and Industrial [Member] | Commercial Portfolio Segment [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)	[1]		20.66%
Commercial and Industrial [Member] | Commercial Portfolio Segment [Member] | Current Expected Credit Loss Methodology [Member]
Total loans	[2]	$ 1,019,875
Commercial and Industrial [Member] | Commercial Portfolio Segment [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)	[2]	19.81%
Lease Financing [Member]
Total loans		$ 314,947	$ 345,868
Lease Financing [Member] | Current Expected Credit Loss Methodology [Member]
Total loans		$ 314,947
Lease Financing [Member] | Commercial Portfolio Segment [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			7.20%
Lease Financing [Member] | Commercial Portfolio Segment [Member] | Current Expected Credit Loss Methodology [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)		6.12%
Secured by Farmland and Agricultural [Member]
Total loans			$ 6,871
Secured by Farmland and Agricultural [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member]
Total loans (in percent)			0.14%

[1] Includes PPP loans of $13.8 million at December 31, 2021.

[2] Includes PPP loans of $9.4 million at June 30, 2022.