Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Loans receivable, allowance (in dollars)	$ 82,079	$ 31,243
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	4,963,000	4,963,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common Stock, Shares, Issued	43,297,260	25,371,086
Common stock, shares outstanding	37,291,480	19,729,886
Accumulated other comprehensive income (loss), tax effect (in dollars)	$ 3,988	$ 1,221
Treasury stock, shares	6,005,780	5,641,200
Cumulative Preferred Stock
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	37,000	37,000
Preferred stock, shares issued	0	0