LOANS AND LEASES (Schedule of Aging of Past Due Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Total loans	$ 6,432,392	$ 6,251,972
Lease Financing [Member]
Financing Receivable, Past Due [Line Items]
Total loans	273,380	266,038
Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Financing Receivable, Past Due [Line Items]
Total loans	60,704	61,420
Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Financing Receivable, Past Due [Line Items]
Total loans	652,450	632,890
Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Financing Receivable, Past Due [Line Items]
Total loans	1,824,882	1,862,592
Commercial Real Estate Portfolio Segment [Member] \| Investment Property [Member]
Financing Receivable, Past Due [Line Items]
Total loans	1,217,060	1,101,082
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Total loans	1,875,403	1,823,557
Consumer and Other [Member]
Financing Receivable, Past Due [Line Items]
Total loans	213,732	189,633
30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total loans	6,306	15,991
30 to 59 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Total loans	556	4,228
30 to 59 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Financing Receivable, Past Due [Line Items]
Total loans		0
30 to 59 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Financing Receivable, Past Due [Line Items]
Total loans	981	7,121
30 to 59 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Financing Receivable, Past Due [Line Items]
Total loans	4,769	4,642
60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total loans	40,747	10,564
60 to 89 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Total loans	1,486	125
60 to 89 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Financing Receivable, Past Due [Line Items]
Total loans		64
60 to 89 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Financing Receivable, Past Due [Line Items]
Total loans	776	799
60 to 89 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Financing Receivable, Past Due [Line Items]
Total loans	38,485	9,576
90 Days or Greater Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total loans	0	0
90 Days or Greater Past Due [Member] \| Residential Portfolio Segment [Member] \| Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Total loans	0	0
90 Days or Greater Past Due [Member] \| Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Financing Receivable, Past Due [Line Items]
Total loans		0
90 Days or Greater Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Financing Receivable, Past Due [Line Items]
Total loans	0	0
90 Days or Greater Past Due [Member] \| Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Financing Receivable, Past Due [Line Items]
Total loans	0	0
Total Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total loans	47,053	26,555
Total Past Due [Member] \| Residential Portfolio Segment [Member] \| Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Total loans	2,042	4,353
Total Past Due [Member] \| Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Financing Receivable, Past Due [Line Items]
Total loans		64
Total Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Financing Receivable, Past Due [Line Items]
Total loans	1,757	7,920
Total Past Due [Member] \| Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Financing Receivable, Past Due [Line Items]
Total loans	$ 43,254	$ 14,218