v3.25.2
Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Selected Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities held-to-maturity, Net Carrying Amount $ 50,831 $ 51,485
Interest rate swaps    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives 21,840 7,035
Derivatives 32,080 20,396
Recurring | Collateralized Mortgage Backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 828,756 911,636
Recurring | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 563,031 586,269
Recurring | Level 1 | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 12,291 11,890
Recurring | Level 2 | Collateralized Mortgage Backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 828,756 911,636
Recurring | Level 2 | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 532,434 554,914
Recurring | Level 3 | Other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 18,306 19,465
Reported Value Measurement    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and due from banks 150,123 152,574
Loans held for sale   70,098
Loans 6,709,601 6,745,848
FHLB-NY stock 23,773 38,096
Accrued interest receivable 59,607 62,036
Derivatives 43,929 54,700
Deposits 7,289,352 7,178,933
Borrowed Funds 600,171 916,054
Accrued interest payable 12,900 12,275
Derivatives 32,080 20,396
Reported Value Measurement | Collateralized Mortgage Backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities held-to-maturity, Net Carrying Amount 7,826 7,836
Securities available for sale 828,756 911,636
Reported Value Measurement | Total other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities held-to-maturity, Net Carrying Amount 43,005 43,649
Securities available for sale 563,031 586,269
Estimate of Fair Value Measurement    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and due from banks 150,123 152,574
Loans held for sale   70,098
Loans 6,424,090 6,506,439
FHLB-NY stock 23,773 38,096
Accrued interest receivable 59,607 62,036
Derivatives 43,929 54,700
Deposits 7,285,829 7,148,847
Borrowed Funds 571,849 887,312
Accrued interest payable 12,900 12,275
Derivatives 32,080 20,396
Estimate of Fair Value Measurement | Collateralized Mortgage Backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities held-to-maturity, Net Carrying Amount 7,146 6,903
Securities available for sale 828,756 911,636
Estimate of Fair Value Measurement | Total other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities held-to-maturity, Net Carrying Amount 37,940 37,815
Securities available for sale 563,031 586,269
Estimate of Fair Value Measurement | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and due from banks 150,123 152,574
Deposits 4,836,728 4,528,769
Estimate of Fair Value Measurement | Level 1 | Total other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 12,291 11,890
Estimate of Fair Value Measurement | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
FHLB-NY stock 23,773 38,096
Accrued interest receivable 59,607 62,036
Derivatives 43,929 54,700
Deposits 2,449,101 2,620,078
Borrowed Funds 524,297 838,517
Accrued interest payable 12,900 12,275
Derivatives 32,080 20,396
Estimate of Fair Value Measurement | Level 2 | Collateralized Mortgage Backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities held-to-maturity, Net Carrying Amount 7,146 6,903
Securities available for sale 828,756 911,636
Estimate of Fair Value Measurement | Level 2 | Total other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities available for sale 532,434 554,914
Estimate of Fair Value Measurement | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans held for sale   70,098
Loans 6,424,090 6,506,439
Borrowed Funds 47,552 48,795
Estimate of Fair Value Measurement | Level 3 | Total other securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities held-to-maturity, Net Carrying Amount 37,940 37,815
Securities available for sale $ 18,306 $ 19,465