v3.25.1
LOANS AND LEASES (Schedule of Loans Outstanding, by Type of Loan) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Total loans $ 5,747,986 $ 5,512,326
Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 100.00% 100.00%
Unallocated Financing Receivables [Member]    
Total loans $ 359 $ 411
Unallocated Financing Receivables [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 0.01% 0.01%
Primary Residential Mortgage [Member] | Residential Portfolio Segment [Member]    
Total loans $ 629,538 $ 614,840
Primary Residential Mortgage [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 10.95% 11.15%
Multifamily Property [Member] | Residential Portfolio Segment [Member]    
Total loans $ 1,775,132 $ 1,799,754
Multifamily Property [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 30.88% 32.65%
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member]    
Total loans $ 633,957 $ 588,104
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 11.03% 10.67%
Commercial Loans Including Equipment Financing [Member] | Commercial Real Estate Portfolio Segment [Member]    
Total loans $ 2,520,256 $ 2,389,105
Commercial Loans Including Equipment Financing [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 43.85% 43.34%
Construction [Member] | Commercial Portfolio Segment [Member]    
Total loans $ 0 $ 0
Construction [Member] | Commercial Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 0.00% 0.00%
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member]    
Total loans $ 48,301 $ 42,327
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 0.84% 0.77%
Consumer Loans, Including Home Equity Loans [Member] | Consumer and Other Loans [Member]    
Total loans $ 140,443 $ 77,785
Consumer Loans, Including Home Equity Loans [Member] | Consumer and Other Loans [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member]    
Total loans (in percent) 2.44% 1.41%