Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect Adjustment for ASU Implementation [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total	Cumulative Effect Adjustment for ASU Implementation [Member]
Balance at Jun. 30, 2022	$ 1,722	$ 10,156	$ 165,127		$ (18,383)	$ (908)	$ 157,714
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared			(1,098)				(1,098)
Net Income			16,234				16,234
Other comprehensive income (loss), net of taxes					(4,643)		(4,643)
Balance at Dec. 31, 2022	1,722	10,156	180,263		(23,026)	(908)	168,207
Balance at Sep. 30, 2022	1,722	10,156	173,617		(25,001)	(908)	159,586
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared			(552)				(552)
Net Income			7,198				7,198
Other comprehensive income (loss), net of taxes					1,975		1,975
Balance at Dec. 31, 2022	1,722	10,156	180,263		(23,026)	(908)	168,207
Balance at Jun. 30, 2023	1,722	10,156	193,721		(21,408)	(908)	183,283
Balance (Accounting Standards Update 2016-13 [Member]) at Jun. 30, 2023				$ (510)				$ (510)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared			(1,991)				(1,991)
Net Income			12,176				12,176
Other comprehensive income (loss), net of taxes					2,338		2,338
Balance at Dec. 31, 2023	1,722	10,156	203,396		(19,070)	(908)	195,296
Balance at Sep. 30, 2023	1,722	10,156	198,318		(25,120)	(908)	184,168
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared			(629)				(629)
Net Income			5,707				5,707
Other comprehensive income (loss), net of taxes					6,050		6,050
Balance at Dec. 31, 2023	$ 1,722	$ 10,156	$ 203,396		$ (19,070)	$ (908)	$ 195,296