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Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Selected Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities held-to-maturity, Net Carrying Amount | $ 51,485 | $ 72,923
Securities available for sale |  | 954,164
Interest Rate Swap [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swaps | 7,035 | 20,508
Interest rate swaps | 20,396 | 28,401
Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 911,636 | 354,344
Fair Value, Measurements, Recurring [Member] | Other Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 586,269 | 520,409
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 11,890 | 11,660
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Collateralized Mortgage Backed Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 911,636 | 354,344
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 554,914 | 507,312
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 19,465 | 1,437
Reported Value Measurement [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and due from banks | 152,574 | 172,157
Loans held for sale | 70,098 |
Loans | 6,745,848 | 6,906,950
FHLB-NY stock | 38,096 | 31,066
Accrued interest receivable | 62,036 | 59,018
Deposits | 7,178,933 | 6,815,261
Borrowed Funds | 916,054 | 841,281
Accrued interest payable | 12,275 | 12,111
Reported Value Measurement [Member] | Interest Rate Swap [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swaps | 54,700 | 69,013
Interest rate swaps | 20,396 | 28,401
Reported Value Measurement [Member] | Collateralized Mortgage Backed Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities held-to-maturity, Net Carrying Amount | 7,836 |
Securities available for sale | 911,636 | 354,344
Securities held-to-maturity, Other securities |  | 7,855
Reported Value Measurement [Member] | Other Debt Obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities held-to-maturity, Net Carrying Amount | 43,649 |
Securities available for sale | 586,269 | 520,409
Securities held-to-maturity, Other securities |  | 65,068
Estimate of Fair Value Measurement [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and due from banks | 152,574 | 172,157
Loans held for sale | 70,098 |
Loans | 6,506,439 | 6,512,841
FHLB-NY stock | 38,096 | 31,066
Accrued interest receivable | 62,036 | 59,018
Deposits | 7,148,847 | 6,778,657
Borrowed Funds | 887,312 | 801,156
Accrued interest payable | 12,275 | 12,111
Estimate of Fair Value Measurement [Member] | Interest Rate Swap [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swaps | 54,700 | 69,013
Interest rate swaps | 20,396 | 28,401
Estimate of Fair Value Measurement [Member] | Collateralized Mortgage Backed Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities held-to-maturity, Net Carrying Amount | 6,903 |
Securities available for sale | 911,636 | 354,344
Securities held-to-maturity, Other securities |  | 7,058
Estimate of Fair Value Measurement [Member] | Other Debt Obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities held-to-maturity, Net Carrying Amount | 37,815 |
Securities available for sale | 586,269 | 520,409
Securities held-to-maturity, Other securities |  | 58,697
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and due from banks | 152,574 | 172,157
Deposits | 4,528,769 | 4,503,971
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Other Debt Obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 11,890 | 11,660
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
FHLB-NY stock | 38,096 | 31,066
Accrued interest receivable | 62,036 | 59,018
Deposits | 2,620,078 | 2,274,686
Borrowed Funds | 838,517 | 753,306
Accrued interest payable | 12,275 | 12,111
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swaps | 54,700 | 69,013
Interest rate swaps | 20,396 | 28,401
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Collateralized Mortgage Backed Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities held-to-maturity, Net Carrying Amount | 6,903 |
Securities available for sale | 911,636 | 354,344
Securities held-to-maturity, Other securities |  | 7,058
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Other Debt Obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale | 554,914 | 507,312
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 70,098 |
Loans | 6,506,439 | 6,512,841
Borrowed Funds | 48,795 | 47,850
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Other Debt Obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities held-to-maturity, Net Carrying Amount | 37,815 |
Securities available for sale | $ 19,465 | 1,437
Securities held-to-maturity, Other securities |  | $ 58,697

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