LOANS AND LEASES (Schedule of Aging of Past Due Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Total loans	$ 5,313,459	$ 5,426,123
Lease Financing [Member]
Total loans	231,284	251,423
Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Total loans	42,159	40,203
Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Total loans	590,681	585,126
Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Total loans	1,784,861	1,836,390
Commercial Real Estate Portfolio Segment [Member] \| Investment Property [Member]
Total loans	979,188	1,061,197
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Total loans	1,306,170	1,314,781
Consumer and Other [Member]
Total loans	80,795	63,906
30 to 59 Days Past Due [Member]
Total loans	2,222	22,030
30 to 59 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Total loans	52	84
30 to 59 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Total loans	2,170	2,448
30 to 59 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Total loans		11,814
30 to 59 Days Past Due [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Total loans		7,297
30 to 59 Days Past Due [Member] \| Consumer and Other [Member]
Total loans		387
60 to 89 Days Past Due [Member]
Total loans	29,224	12,559
60 to 89 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Total loans	1,144	1,061
60 to 89 Days Past Due [Member] \| Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Total loans	28,080
60 to 89 Days Past Due [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Total loans		11,498
90 Days or Greater Past Due [Member]
Total loans	0	0
90 Days or Greater Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Total loans	0	0
Total Past Due [Member]
Total loans	31,446	34,589
Total Past Due [Member] \| Residential Portfolio Segment [Member] \| Junior Lien Loan on Residence [Member]
Total loans	52	84
Total Past Due [Member] \| Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Total loans	3,314	3,509
Total Past Due [Member] \| Residential Portfolio Segment [Member] \| Multifamily Property [Member]
Total loans	$ 28,080	11,814
Total Past Due [Member] \| Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Total loans		18,795
Total Past Due [Member] \| Consumer and Other [Member]
Total loans		$ 387