LOANS AND LEASES (Schedule of Risk Category of Loans by Class of Loans) (Details) - USD ($) $ in Thousands		Sep. 30, 2020		Dec. 31, 2019
Total loans		$ 4,427,145		$ 4,389,641
Lease Financing [Member]
Total loans		254,142		258,401
Agricultural Sector [Member]
Total loans		1,081		3,043
Residential Portfolio Segment [Member] | Junior Lien [Member]
Total loans		5,401		7,011
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Total loans		530,374		578,306
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member]
Total loans		52,193		57,248
Residential Portfolio Segment [Member] | Multifamily Property [Member]
Total loans		1,168,796		1,210,003
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Total loans		1,047,614		1,095,182
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Total loans	[1]	1,050,775	[2]	867,295
Commercial Portfolio Segment [Member] | Construction [Member]
Total loans		6,989		5,520
Consumer and Other Loans [Member]
Total loans		57,711		58,213
Pass [Member]
Total loans		4,256,182		4,317,090
Pass [Member] | Lease Financing [Member]
Total loans		254,142		258,401
Pass [Member] | Agricultural Sector [Member]
Total loans		1,081		3,043
Pass [Member] | Residential Portfolio Segment [Member] | Junior Lien [Member]
Total loans		5,401		6,992
Pass [Member] | Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Total loans		523,415		570,353
Pass [Member] | Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member]
Total loans		52,191		57,245
Pass [Member] | Residential Portfolio Segment [Member] | Multifamily Property [Member]
Total loans		1,162,650		1,209,288
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Total loans		246,989		247,388
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Total loans		966,193		1,053,445
Pass [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Total loans		979,502		847,285
Pass [Member] | Commercial Portfolio Segment [Member] | Construction [Member]
Total loans		6,907		5,437
Pass [Member] | Consumer and Other Loans [Member]
Total loans		57,711		58,213
Special Mention [Member]
Total loans		129,700		13,643
Special Mention [Member] | Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Total loans		521		853
Special Mention [Member] | Residential Portfolio Segment [Member] | Multifamily Property [Member]
Total loans		5,466
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Total loans		2,388
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Total loans		67,057		6,325
Special Mention [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Total loans		54,186		6,382
Special Mention [Member] | Commercial Portfolio Segment [Member] | Construction [Member]
Total loans		82		83
Substandard [Member]
Total loans		41,263		58,908
Substandard [Member] | Residential Portfolio Segment [Member] | Junior Lien [Member]
Total loans				19
Substandard [Member] | Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Total loans		6,438		7,100
Substandard [Member] | Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member]
Total loans		2		3
Substandard [Member] | Residential Portfolio Segment [Member] | Multifamily Property [Member]
Total loans		680		715
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Total loans		2,692		2,031
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Total loans		14,364		35,412
Substandard [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Total loans		$ 17,087		$ 13,628

[1] The September 30, 2020 balance includes PPP loans of $202.0 million

[2] The balance includes PPP loans of $202.0 million which have no reserve as these loans are guaranteed by the SBA.