CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings Impact of adoption ASU 2016-13	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income(Loss)	Impact of adoption ASU 2016-13	Total
Beginning Balance at Jun. 30, 2019	$ 93	$ 94,541		$ 143,677	$ (1,166)	$ 1,247		$ 238,392
Net Income				27,545				27,545
Change in unrealized gain on available for sale securities, net						3,194		3,194
Defined benefit pension plan net gain (loss)						6		6
Dividends paid on common stock				(5,513)				(5,513)
Stock option expense		74						74
Stock grant expense		356						356
Exercise of stock options		64						64
Treasury stock purchased					(5,771)			(5,771)
Ending Balance at Jun. 30, 2020	93	95,035		165,709	(6,937)	4,447		258,347
Net Income				47,180				47,180
Change in unrealized gain on available for sale securities, net						(1,571)		(1,571)
Defined benefit pension plan net gain (loss)						6		6
Dividends paid on common stock				(5,598)				(5,598)
Stock option expense		142						142
Stock grant expense		408						408
Common Stock Issued	1							1
Treasury stock purchased					(8,341)			(8,341)
Ending Balance at Jun. 30, 2021	94	95,585	$ (7,151)	200,140	(15,278)	2,882	$ (7,151)	283,423
Net Income				47,169				47,169
Change in unrealized gain on available for sale securities, net						(20,358)		(20,358)
Defined benefit pension plan net gain (loss)						(11)		(11)
Dividends paid on common stock				(7,194)				(7,194)
Stock option expense		165						165
Stock grant expense		532						532
Common Stock Issued	4	22,880						22,884
Treasury stock purchased					(5,838)			(5,838)
Ending Balance at Jun. 30, 2022	$ 98	$ 119,162		$ 240,115	$ (21,116)	$ (17,487)		$ 320,772