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Nature of Business and Summary of Significant Accounting Policies - Additional Information (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Loan
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
BranchOffice
MortgageOffice
Segment
Loan
Sep. 30, 2022
USD ($)
Sep. 26, 2023
USD ($)
Dec. 31, 2022
USD ($)
Loan
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of branch banking offices | BranchOffice     13      
Number of branch mortgage loan offices | MortgageOffice     6      
Interest expense $ 16,964 $ 4,023 $ 42,848 $ 7,382    
Total interest expenses increased     $ 35,500      
Percentage of interest expenses     480.40%      
Loans held for sale, at fair value 14,103   $ 14,103     $ 1,979
Percentage of largest amount of tax benefits likely to realize     50.00%      
Percentage of employee discretionary matching, profit sharing and safe harbor contributions, maximum     4.00%      
Present value of lease payments     2.50%      
Number of operating segment | Segment     1      
Number of reportable segment | Segment     1      
Operating lease ROU assets 32,110   $ 32,110     33,423
Operating lease liabilities $ 33,459   $ 33,459     $ 34,532
COVID-19            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Government grant amount received         $ 3,700  
Mortgage World Bankers Inc            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of loan held for sale | Loan 19   19     4
Loans held for sale, at fair value $ 14,100   $ 14,100     $ 2,000
Bronx            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of branch banking offices | BranchOffice     4      
Manhattan            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of branch banking offices | BranchOffice     2      
Queens            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of branch banking offices | BranchOffice     3      
Number of branch mortgage loan offices | MortgageOffice     4      
Brooklyn            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of branch banking offices | BranchOffice     3      
Number of branch mortgage loan offices | MortgageOffice     1      
Union City            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of branch banking offices | BranchOffice     1      
New York and Bergenfield            
Nature Of Business And Summary Of Significant Accounting Policies Table Of Statement [Line Items]            
Number of branch mortgage loan offices | MortgageOffice     1