Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets [Abstract]
Allowance for loan losses	$ 2,962	$ 3,391
Stockholders' Equity:
Treasury stock, shares (in shares)	2,617,826	2,617,826
Cumulative Redeemable Perpetual Preferred Stock, Series A [Member]
Stockholders' Equity:
Preferred stock, shares authorized (in shares)	3,000	3,000
Preferred stock, shares issued (in shares)	0	3,000
Preferred stock, shares outstanding (in shares)	0	3,000
Preferred stock, liquidation value (in dollars per share)	$ 1,000	$ 1,000
Non-Cumulative Redeemable Perpetual Preferred Stock, Series C [Member]
Stockholders' Equity:
Preferred stock, shares authorized (in shares)	150,000	0
Preferred stock, shares issued (in shares)	150,000	0
Preferred stock, shares outstanding (in shares)	150,000	0
Preferred stock, liquidation value (in dollars per share)	$ 1,000	$ 1,000
Class A Voting Common Stock [Member]
Stockholders' Equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	75,000,000	75,000,000
Common stock, shares issued (in shares)	50,438,555	46,291,852
Common stock, shares outstanding (in shares)	47,820,729	43,674,026
Class B Non-Voting Common Stock [Member]
Stockholders' Equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	15,000,000	15,000,000
Common stock, shares issued (in shares)	11,404,618	11,404,618
Common stock, shares outstanding (in shares)	11,404,618	11,404,618
Class C Non-Voting Common Stock [Member]
Stockholders' Equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	25,000,000	25,000,000
Common stock, shares issued (in shares)	14,258,735	16,689,775
Common stock, shares outstanding (in shares)	14,258,735	16,689,775