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Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |
Securities held to maturity fair value | $ 864,234 | $ 735,260
Stockholders' equity |  |
Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Preferred stock, shares authorized (in shares) | 2,500,000 | 2,500,000
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) | 49,651,493 | 49,651,493
Common stock in treasury, at cost (in shares) | 6,815,087 | 6,483,481

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