Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
ASSETS
Securities held-to-maturity, fair value	$ 682,210	$ 710,453
SHAREHOLDERS' EQUITY
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.1	$ 0.1
Common stock, shares authorized (in shares)	12,000,000	12,000,000
Common stock, shares issued (in shares)	8,611,340	8,611,340
Common stock, shares outstanding (in shares)	8,513,414	8,513,414
Treasury stock, shares (in shares)	97,926	97,926