CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Stockholders' equity:
Investment securities held-to-maturity, fair value	$ 40,303,000	$ 0
Preferred stock, Series A, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, Series A, liquidation value (in dollars per share)	$ 25.00	$ 25.00
Preferred stock, Series A, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, Series A, shares issued (in shares)	5,299,200	5,299,200
Preferred stock, Series A, shares outstanding (in shares)	5,299,200	5,299,200
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	80,000,000	80,000,000
Common stock, shares issued (in shares)	41,599,973	34,813,302
Common stock, shares outstanding (in shares)	40,714,828	21,232,984
Treasury stock (in shares)	885,145	13,580,318

Face amount or stated value per share of common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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