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Fair Value Measurements and Fair Values of Financial Instruments (Carrying Values and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities available for sale | $ 91,715 | $ 85,186
Equity investments | 17,686 | 25,187
Carrying Value [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 229,359 | 411,629
Interest-earning time deposits | 735 | 735
Debt securities available for sale | 91,715 | 85,186
Equity investments | 17,686 | 25,187
Loans held for sale | 658 | 952
Loans receivable, net | 3,045,331 | 2,304,942
FHLB of New York stock, at cost | 20,113 | 6,084
Accrued interest receivable | 13,455 | 9,183
Deposits | 2,811,607 | 2,561,402
Debt | 382,261 | 71,711
Subordinated debentures | 37,508 | 37,275
Accrued interest payable | 3,073 | 1,051
Fair Value [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 229,359 | 411,629
Interest-earning time deposits | 735 | 735
Debt securities available for sale | 91,715 | 85,186
Equity investments | 17,686 | 25,187
Loans held for sale | 658 | 952
Loans receivable, net | 2,876,925 | 2,313,204
FHLB of New York stock, at cost | 20,113 | 6,084
Accrued interest receivable | 13,455 | 9,183
Deposits | 2,499,978 | 2,520,191
Debt | 377,227 | 71,214
Subordinated debentures | 40,113 | 45,020
Accrued interest payable | 3,073 | 1,051
(Level 1) Quoted Prices in Active Markets for Identical Assets [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 229,359 | 411,629
Equity investments | 17,686 | 25,187
Deposits | 1,713,754 | 1,881,121
(Level 2) Significant Other Observable Inputs [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest-earning time deposits | 735 | 735
Debt securities available for sale | 91,715 | 85,186
Loans held for sale | 658 | 952
FHLB of New York stock, at cost | 20,113 | 6,084
Accrued interest receivable | 13,455 | 9,183
Deposits | 786,224 | 639,070
Debt | 377,227 | 71,214
Subordinated debentures | 40,113 | 45,020
Accrued interest payable | 3,073 | 1,051
(Level 3) Significant Unobservable Inputs [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans receivable, net | $ 2,876,925 | $ 2,313,204

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