Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Assets [Abstract]
Allowance for loan losses	[1]	$ 6,285	$ 4,388
Stockholders' Equity:
Treasury stock, shares (in shares)		2,617,826	2,617,826
Non-Cumulative Redeemable Perpetual Preferred Stock, Series C [Member]
Stockholders' Equity:
Preferred stock, shares authorized (in shares)		150,000	150,000
Preferred stock, shares issued (in shares)		150,000	150,000
Preferred stock, shares outstanding (in shares)		150,000	150,000
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)		51,335,981	51,265,209
Common stock, shares outstanding (in shares)		48,718,155	48,647,383
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)		13,380,516	13,380,516
Common stock, shares outstanding (in shares)		13,380,516	13,380,516

[1] The allowance for credit losses as of December 31, 2022 was accounted for under ASC 450 and ASC 310, which is reflective of probable incurred losses as of the date of the consolidated statement of financial condition. Effective January 1, 2023, the allowance for credit losses is accounted for under ASC 326, which is reflective of estimated expected lifetime credit losses.