CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
CONSOLIDATED BALANCE SHEETS
Interest-earning accounts included in cash (in dollars)	$ 10,397	$ 224,589
Fair value of mortgage-backed securities held to maturity (in dollars)	210,214	236,029
Allowance for loan losses (in dollars)	$ 15,309	$ 14,523
Serial preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Serial preferred stock, shares authorized	250,000	250,000
Serial preferred stock, shares issued	0	0
Serial preferred stock, shares outstanding	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	21,221,960	22,155,636
Common stock, shares outstanding		22,127,396