CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
CONSOLIDATED BALANCE SHEETS
Interest-earning accounts included in cash (in dollars)	$ 18,147	$ 10,397
Fair value of mortgage-backed securities held to maturity (in dollars)	193,283	210,214
Allowance for credit losses (in dollars)	$ 15,346	15,309
Allowance for credit losses (in dollars)		$ 15,309
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	21,125,889	21,221,960
Common stock, shares outstanding	21,125,889	21,221,960