CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income(Loss)	Total Stockholders' Equity	Total
Equity Balance at beginning at Jun. 30, 2017	$ 86	$ 70,101	$ 102,369		$ 527	$ 173,083
Net Income			20,929			20,929
Change in unrealized gain on available for sale securities, net			65		(2,828)	(2,763)
Defined benefit pension plan net loss					(44)	(44)	$ 44
Dividends paid on common stock			(3,827)			(3,827)
Stock option expense		22				22
Stock grant expense		171				171
Exercise of stock options		172				172	172
Common Stock Issued	4	12,947				12,951
Equity Balance at the end 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 loss					(10)	(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)
Equity Balance at the end 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 loss					6	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	$ 64
Treasury stock purchased				(5,771)		(5,771)
Equity Balance at the end at Jun. 30, 2020	$ 93	$ 95,035	$ 165,709	$ (6,937)	$ 4,447	$ 258,347