Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
ASSETS
Securities held-to-maturity, fair value	$ 729,953	$ 519,042
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)	$ 0.10	$ 0.10
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