CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings Cumulative Effect Period Of Adoption Adjustment Member	Retained Earnings	Accumulated Other Comprehensive Income	Unearned Stock Compensation	Treasury Stock	Noncontrolling Interests in Subsidiary	Cumulative Effect Period Of Adoption Adjustment Member	Total
Balances at Sep. 30, 2019	$ 26	$ 27,494		$ 91,228	$ 7,296	$ (446)	$ (4,545)	$ 204		$ 121,257
Net Income (Loss)				2,812				(311)		2,501
Other comprehensive income (loss)					(6,824)					(6,824)
Common stock dividends				(781)						(781)
Distributions to noncontrolling interests								(307)		(307)
Restricted stock grants		95				(95)
Stock compensation expense		42				95				137
Stock option exercises		(195)					593			398
Purchase of treasury shares							(302)			(302)
Balances at Mar. 31, 2020	26	27,436		93,425	472	(446)	(4,254)	(414)		116,245
Balances at Dec. 31, 2019	26	27,582		94,455	6,712	(495)	(4,470)	368		124,178
Net Income (Loss)				(627)				(475)		(1,102)
Other comprehensive income (loss)					(6,240)					(6,240)
Common stock dividends				(403)						(403)
Restricted stock grants								(307)		(307)
Stock compensation expense		21				49				70
Stock option exercises		(167)					465			298
Purchase of treasury shares							(249)			(249)
Balances at Mar. 31, 2020	26	27,436		93,425	472	(446)	(4,254)	(414)		116,245
Cumulative effect adjustment, adoption of ASU 2016-02			$ 166						$ 166
Cumulative effect adjustment, adoption of ASU 2016-02										123,158
Balances at Sep. 30, 2020	26	27,480		123,158	11,209	(348)	(4,253)	293		157,565
Net Income (Loss)				20,410				402		20,812
Acquisition of minority interests in Q2		(1,888)						$ (695)		(2,583)
Other comprehensive income (loss)					(2,027)					(2,027)
Common stock dividends				(830)						(830)
Restricted stock forfeitures		(8)				8
Stock compensation expense		46				95				141
Stock option exercises		52								52
Purchase of treasury shares							(90)			(90)
Balances at Mar. 31, 2021	26	25,682		142,738	9,182	(245)	(4,343)			173,040
Balances at Dec. 31, 2020	26	25,737		132,680	11,889	(292)	(4,295)			165,745
Net Income (Loss)				10,487						10,487
Acquisition of minority interests in Q2		(131)								(131)
Other comprehensive income (loss)					(2,707)					(2,707)
Common stock dividends				(429)						(429)
Stock compensation expense		24				47				71
Stock option exercises		52								52
Purchase of treasury shares							(48)			(48)
Balances at Mar. 31, 2021	$ 26	$ 25,682		$ 142,738	$ 9,182	$ (245)	$ (4,343)			173,040
Cumulative effect adjustment, adoption of ASU 2016-02										$ 142,738