Loans - Additional Information (Details) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($) loan_portfolio	Mar. 31, 2022 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of loan portfolios \| loan_portfolio	4
Provision	$ 1,554	$ 769
Off-balance sheet, credit loss, liability	1,800
Federal Reserve Bank Advances
Financing Receivable, Allowance for Credit Loss [Line Items]
Carrying cost of collateral	982,000
Fair value of collateral	922,000
Federal Home Loan Bank of New York
Financing Receivable, Allowance for Credit Loss [Line Items]
Carrying cost of collateral	930,000
Fair value of collateral	818,000
Federal Home Loan Bank Of New York And Federal Reserve Bank
Financing Receivable, Allowance for Credit Loss [Line Items]
Available borrowing capacity	1,300,000
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision	1,000	$ 475
Mortgage loans in process of foreclosure, amount	$ 3,200
Consumer \| Minimum \| Automobile Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period	3 years
Consumer \| Minimum \| Credit Card Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period	1 year
Consumer \| Maximum \| Automobile Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period	7 years
Consumer \| Maximum \| Credit Card Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period	5 years

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Securities Held As Collateral, At Carrying Cost

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-SubTopic 10
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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

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-Publisher FASB
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The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities.

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