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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Securities available for sale | $ 700,640 | $ 722,497
Securities held to maturity, fair value | 1,176,178 | 1,203,535
Loans held for sale at fair value | 84,513 | 86,663
Net of allowance for credit losses on loans | $ 75,712 | $ 71,752
Stockholders' Equity: |  |
Common stock, shares authorized | 75,000,000 | 75,000,000
Common stock, shares issued | 43,354,718 | 43,242,928
Common stock, shares outstanding | 43,354,718 | 43,242,928
Preferred stock, shares authorized | 5,000,000 | 5,000,000
7% Series A Preferred Stock |  |
Stockholders' Equity: |  |
Preferred stock, dividend rate (as a percent) | 7.00% | 7.00%
Preferred stock liquidation preference (in dollars per share) | $ 25 | $ 25
Preferred stock, shares authorized | 3,500,000 | 3,500,000
Preferred stock, shares issued | 2,081,800 | 2,081,800
Preferred stock, shares outstanding | 2,081,800 | 2,081,800
6% Series B Preferred Stock |  |
Stockholders' Equity: |  |
Preferred stock, dividend rate (as a percent) | 6.00% | 6.00%
Preferred stock liquidation preference (in dollars per share) | $ 1,000 | $ 1,000
Preferred stock, shares authorized | 125,000 | 125,000
Preferred stock, shares issued | 125,000 | 125,000
Preferred stock, shares outstanding | 125,000 | 125,000
Depositary shares | 5,000,000 | 5,000,000
6% Series C Preferred Stock |  |
Stockholders' Equity: |  |
Preferred stock, dividend rate (as a percent) | 6.00% | 6.00%
Preferred stock liquidation preference (in dollars per share) | $ 1,000 | $ 1,000
Preferred stock, shares authorized | 200,000 | 200,000
Preferred stock, shares issued | 196,181 | 196,181
Preferred stock, shares outstanding | 196,181 | 196,181
Depositary shares | 7,847,233 | 7,847,233
8.25% Series D Preferred Stock |  |
Stockholders' Equity: |  |
Preferred stock, dividend rate (as a percent) | 8.25% | 8.25%
Preferred stock liquidation preference (in dollars per share) | $ 1,000 | $ 1,000
Preferred stock, shares authorized | 300,000 | 300,000
Preferred stock, shares issued | 142,500 | 142,500
Preferred stock, shares outstanding | 142,500 | 142,500
Depositary shares | 5,700,000 | 5,700,000

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