Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Selected Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Securities held-to-maturity, amortized cost	$ 73,711	$ 57,868
Securities available for sale, fair value	735,357	777,236
Interest Rate Swap [Member]
Interest Rate Swaps, Net Amount	2,401	10,683
Interest rate swaps	18,407	3,544
Collateralized Mortgage Backed Securities
Securities held-to-maturity, amortized cost	7,875	7,894
Securities available for sale, fair value	384,283	572,184
Other Debt Obligations
Securities held-to-maturity, amortized cost	65,836	49,974
Securities available for sale, fair value	351,074	205,052
Reported Value Measurement [Member]
Cash and due from banks	151,754	81,723
Loans	6,934,769	6,638,105
FHLB-NY stock	45,842	35,937
Accrued interest receivable	45,048	38,698
Deposits	6,485,342	6,385,445
Borrowings	1,052,973	815,544
Accrued interest payable	10,034	4,777
Reported Value Measurement [Member] \| Interest Rate Swap [Member]
Interest Rate Swaps, Net Amount	74,856	10,683
Interest rate swaps	18,407	25,071
Reported Value Measurement [Member] \| Collateralized Mortgage Backed Securities
Securities held-to-maturity, amortized cost	7,875	7,894
Securities available for sale, fair value	384,283	572,184
Reported Value Measurement [Member] \| Other Debt Obligations
Securities held-to-maturity, amortized cost	65,836	49,974
Securities available for sale, fair value	351,074	205,052
Estimate of Fair Value Measurement [Member]
Cash and due from banks	151,754	81,723
Loans	6,651,795	6,687,125
FHLB-NY stock	45,842	35,937
Accrued interest receivable	45,048	38,698
Deposits	6,453,978	6,385,276
Borrowings	1,027,370	816,012
Accrued interest payable	10,034	4,777
Estimate of Fair Value Measurement [Member] \| Interest Rate Swap [Member]
Interest Rate Swaps, Net Amount	74,856	10,683
Interest rate swaps	18,407	25,071
Estimate of Fair Value Measurement [Member] \| Collateralized Mortgage Backed Securities
Securities held-to-maturity, amortized cost	6,989	8,667
Securities available for sale, fair value	384,283	572,184
Estimate of Fair Value Measurement [Member] \| Other Debt Obligations
Securities held-to-maturity, amortized cost	55,561	53,362
Securities available for sale, fair value	351,074	205,052
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	151,754	81,723
Deposits	4,959,004	5,438,870
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Other Debt Obligations
Securities available for sale, fair value	11,211	12,485
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
FHLB-NY stock	45,842	35,937
Accrued interest receivable	3,819	1,574
Deposits	1,494,974	946,406
Borrowings	976,863	759,540
Accrued interest payable	10,034	4,777
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Interest Rate Swaps, Net Amount	74,856	10,683
Interest rate swaps	18,407	25,071
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Collateralized Mortgage Backed Securities
Securities held-to-maturity, amortized cost	6,989	8,667
Securities available for sale, fair value	384,283	572,184
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Other Debt Obligations
Securities available for sale, fair value	338,347	190,872
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans	6,651,795	6,687,125
Accrued interest receivable	41,229	37,124
Borrowings	50,507	56,472
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member] \| Other Debt Obligations
Securities held-to-maturity, amortized cost	55,561	53,362
Securities available for sale, fair value	$ 1,516	$ 1,695

Fair value portion of accrued interest payable.

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Fair value portion of accrued interest receivable.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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