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Consolidated Statements of Financial Condition (Parentheticals) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Securities held-to-maturity, fair value | $ 62,029 | $ 63,529
Securities held-to-maturity, allowance for credit losses | $ 862 | $ 907
Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Preferred stock, shares authorized (in shares) | 5,000,000 | 5,000,000
Preferred stock, shares issued (in shares) | 0 | 0
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 100,000,000 | 100,000,000
Common stock, shares issued (in shares) | 34,087,623 | 34,087,623
Common stock, shares outstanding (in shares) | 30,526,353 | 30,775,854
Treasury stock, at average cost (in shares) | 3,561,270 | 3,311,769
Collateralized Mortgage Backed Securities [Member] |  |
Securities held-to-maturity, assets pledged | $ 5,643 | $ 5,853
Securities held-to-maturity, fair value | 8,667 | 8,991
Securities available for sale, pledged as collateral | 212,388 | 264,968
Securities available for sale, fair value option | 388 | 505
Other Debt Obligations [Member] |  |
Securities held-to-maturity, assets pledged | 0 | 0
Securities held-to-maturity, fair value | 53,362 | 54,538
Securities held-to-maturity, allowance for credit losses | 862 | 907
Securities available for sale, pledged as collateral | 0 | 6,453
Securities available for sale, fair value option | $ 14,180 | $ 13,998

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