CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings Impact of ASU 2016-13 adoption	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Impact of ASU 2016-13 adoption	Total
Beginning Balance at Jun. 30, 2018	$ 90	$ 83,413		$ 119,536		$ (2,345)		$ 200,694
Net Income				28,904				28,904
Change in unrealized gain on available for sale securities, net						3,602		3,602
Defined benefit pension plan net gain (loss)						(10)		(10)
Dividends paid on common stock				(4,763)				(4,763)
Stock option expense		51						51
Stock grant expense		323						323
Common Stock Issued	3	10,754						10,757
Treasury stock purchased					$ (1,166)			(1,166)
Ending 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