Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Dilutive securities or contracts outstanding (in shares)	0	0	0	0
Anti-dilutive securities or contracts outstanding (in shares)	0	0	0	0
Net Income	$ 4,051	$ 4,356	$ 14,027	$ 13,320
Weighted Average Shares - Basic (in shares)	8,531,304	8,537,814	8,535,391	8,537,814
Weighted Average Shares - Dilute (in shares)	8,531,304	8,537,814	8,535,391	8,537,814
Earnings per share - Basic (in dollars per share)	$ 0.47	$ 0.51	$ 1.64	$ 1.56
Earnings per share - Diluted (in dollars per share)	$ 0.47	$ 0.51	$ 1.64	$ 1.56